This is an automatically generated list. For a project to add DSB citations to articles, see User:Phoebe/dict.
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- Pierre Abailard
- Pietro d'Abano
- ʿAbbās ibn Firnās
- Cleveland Abbe
- Ernst Abbe
- John Jacob Abel
- Niels Henrik Abel
- Othenio Abel
- Antonio Abetti
- Otto Hermann Wilhelm Abich
- William de Wiveleslie Abney
- Abraham Bar Ḥiyya Ha-Nasi
- Max Abraham
- Aleixo de Abreu
- Abū Ḥāmid al-Gharnāṭī
- Abū Kāmil Shujāʿ ibn Aslam ibn Muḥammad ibn Shujāʿ
- Jaʿfar ibn Muḥammad Abū Maʿshar al-Balkhī
- Hibat Allah Abu'l-Barakāt al-Baghdādī
- ʿImād al-Dīn Abu'l-Fidāʾ Ismāʿīl ibn ʿAlī ibn Maḥmūd ibn … Ayyūb
- Muḥammad ibn Muḥammad ibn Yaḥyā ibn Ismāʿīl ibn al-ʿAbbās Abū'l-Wafāʾ al-Būzjānī
- Friedrich Christian Accum
- Franz Karl Achard
- Erik Acharius
- Alessandro Achillini
- Cristóbal Acosta
- José de Acosta
- Acyuta Piṣāraṭi
- Adam of Bodenstein
- Frank Dawson Adams
- John Couch Adams
- Leason Heberling Adams
- Roger Adams
- Walter Sydney Adams
- Michel Adanson
- Thomas Addison
- Adelard of Bath
- Pierre-Auguste Adet
- Robert Adrain
- Franz Ulrich Theodosius Aepinus
- Aëtius of Amida
- Carl Adolph Agardh
- Jacob Georg Agardh
- Alexander Agassiz
- Jean Louis Rodolphe Agassiz
- Claudius Agathinus
- Maria Gaetana Agnesi
- Izrail' Iosifovich Agol
- Georgius Agricola
- Heinrich Cornelius von Agrippa
- François d'Aguilon
- Aḥmad ibn Yūsuf
- Aida Yasuaki
- Pierre d'Ailly
- George Biddell Airy
- Robert Grant Aitken
- William Aiton
- William Townsend Aiton
- Ajima Naonobu
- Naum Il'ich Akhiezer
- Alanus de Alain de Lille
- Charles Albert I of Monaco
- Albert of Saxony
- Abraham Adrian Albert
- Friedrich August von Alberti
- Leone Battista Alberti
- Salomon Alberti
- Bernard Albinus
- Bernard Siegfried Albinus
- Christiaan Bernard Albinus
- Frederik Bernard Albinus
- Carl Theodor Albrecht
- Fuller Albright
- Alcmaeon of Crotona
- Alcuin of York
- Muḥammad ibn Musa Al-Damīrī
- Kurt Alder
- Taddeo Alderotti
- Giovanni Aldini
- Ulisse Aldrovandi
- Pavel Sergeevich Aleksandrov
- Jean Le Rond d'Alembert
- Alexander of Aphrodisias
- Alexander of Myndos
- Alexander of Tralles
- Alfonso El Sabio
- Abram Isaakovich Alikhanov
- Warder Clyde Allee
- Edgar Allen
- Eugene Thomas Allen
- Joel Asaph Allen
- Samuel King Allison
- Prospero Alpini
- Johann Heinrich Alsted
- José Antonio Alzate y Ramírez
- Émile Amagat
- Florentino Ameghino
- Joseph Sweetman Ames
- William Ames
- Giovan Battista Amici
- Son of Hermias Ammonius
- Guillaume Amontons
- André-Marie Ampère
- Jakob Amsler
- Anatolius of Alexandria
- Anaxagoras
- Anaximander
- Anaximenes of Miletus
- Paul Albert Ancel
- Edgar Anderson
- Ernest Masson Anderson
- Oskar Johann Viktor Anderson
- Thomas Anderson
- Henri Andoyer
- Charles Louis François André
- Johann Valentin Andreae
- Nikolai Nikolaevich Andreev
- Thomas Andrews
- Aleksandr Aleksandrovich Andronov
- Nikolai Ivanovich Andrusov
- Stefano Degli Angeli
- Johannes Angelus
- Anders Jonas Ångström
- Luigi Anguillara
- Richard Anschütz
- Voituret Anthelme
- Anthemius of Tralles
- Antiphon
- Eugène M. Antoniadi
- Dmitrii Nikolaevich Anuchin
- Jean-Baptiste Bourguignon d'Anville
- Stephan Apáthy
- Ernst Friedrich Apelt
- Peter Apian
- Apollonius of Perga
- Paul Appell
- Edward Victor Appleton
- Saint Thomas Aquinas
- Dominique François Jean Arago
- Camille Louis Joseph Arambourg
- Giulio Cesare Aranzio
- Aratus of Soli
- Agnes Robertson Arber
- Louis François Antoine Arbogast
- Philippe Arbos
- John Arbuthnot
- Étienne-Jules-Adolphe Desmier Archiac
- Archigenes
- Archimedes
- Archytas of Tarentum
- Giovanni Arduino
- Aretaeus of Cappadocia
- Johann August Arfvedson
- Émile Argand
- Jean Robert Argand
- Friedrich Wilhelm August Argelander
- Antoine-Joseph Dezallier d'Argenville
- Andrea Argoli
- Aristaeus
- Aristarchus of Samos
- Aristotle
- Aristoxenus
- Aristyllus
- Vladimir Konstantinovich Arkadiev
- William Joscelyn Arkell
- Edward Frankland Armstrong
- Edwin Howard Armstrong
- Henry Edward Armstrong
- Arnald of Villanova
- Antoine Arnauld
- Harold De Forest Arnold
- Giuseppe Degli Aromatari
- Siegfried Heinrich Aronhold
- Heinrich Louis d'Arrest
- Svante August Arrhenius
- Arsène d'Arsonval
- Peter Artedi
- Nicolas Maurice Arthus
- Emil Artin
- Lev Andreevich Artsimovich
- Asada Gōryū
- Asclepiades
- Gaspare Aselli
- Pietro Assalti
- Boris L'Vovich Astaurov
- William Thomas Astbury
- Francis William Aston
- Jean Astruc
- Athenaeus of Attalia
- Wilbur Olin Atwater
- George Atwood
- Wallace Walter Atwood
- Jean-François d'Aubuisson de Voisins
- Jean Victor Audouin
- John James Audubon
- Joseph Leopold Auenbrugger
- Saint Aurelius Augustine of Hippo
- Louis Winslow Austin
- Autolycus of Pitane
- Arthur Julius Georg Friedrich von Auwers
- Karl Friedrich von Auwers
- Adrien Auzout
- Oswald T. Avery
- Amedeo Avogadro
- ʿAwwām Abū Zakariyyā Yaḥyā ibn Muḥammad ibn al-
- Hertha Ayrton
- Félix de Azara
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- Wilhelm Heinrich Walter Baade
- Charles Babbage
- Ernest Brown Babcock
- Stephen Moulton Babcock
- Jacques Babinet
- Charles Cardale Babington
- William Babington
- Guido Baccelli
- Aleksei Nikolaevich Bach
- Alexander Dallas Bache
- Gaston Bachelard
- Louis Bachelier
- Claude-Gaspar Bachet De Méziriac
- Augustus Quirinus Bachmann
- Paul Gustav Heinrich Bachmann
- Ernst E. A. Back
- Jöns Oskar Backlund
- Francis Bacon
- Roger Bacon
- Richard McLean Badger
- Leo Hendrik Baekeland
- Karl Ernst von Baer
- Adolf Johann Friedrich Wilhelm von Baeyer
- Abū Manṣūr ʿAbd al-Qāhir ibn Ṭāhir ibn Muḥammad ibn ʿAbdallah al-Tamīmī al-Shafiʿī al-Baghdādī
- Georgius Baglivi
- Johann Jacob Baier
- Edward Battersby Bailey
- Liberty Hyde Bailey
- Loring Woart Bailey
- Solon Irving Bailey
- Matthew Baillie
- Guillaume de Baillou
- Jean-Sylvain Bailly
- Francis Baily
- Alexander Bain
- Spencer Fullerton Baird
- René Louis Baire
- Abū Bakr Muḥammad ibn Yaḥyā ibn al-ṢāʾIgh ibn Bājja
- Henry Baker
- John Gilbert Baker
- Robert Bakewell
- Abū ʿUbayd ʿAbdallāh ibn ʿAbd al-ʿAzīz ibn Muḥammad al-Bakrī
- Aleksey Aleksandrovich Balandin
- Antoine Jérome Balard
- Edouard-Gérard Balbiani
- Balbus
- Bernardino Baldi
- Francis Maitland Balfour
- Isaac Bayley Balfour
- John Hutton Balfour
- Giovanni Battista Baliani
- Johann Jakob Balmer
- Eugen Bamberger
- Stefan Banach
- Thaddeus Banachiewicz
- Wilder Dwight Bancroft
- Orville Lee Bandy
- John Banister
- Joseph Banks
- Bannāʾ al-Marrākushī ibn al-
- Guido Banti
- Frederick Grant Banting
- Banū Mūsā
- Robert Bárány
- Giovanni Antonio Baranzano
- Alvaro Alonso Barba
- Joseph-Émile Barbier
- Henry Gray Barbour
- Johann Conrad Barchusen
- John Barclay
- Joseph Barcroft
- George Barger
- Heinrich Georg Barkhausen
- Charles Glover Barkla
- Peter Barlow
- William Barlow
- Edward Emerson Barnard
- Howard Turner Barnes
- Franciscus Barocius
- Louis Barrabé
- Joachim Barrande
- Joseph Barrell
- Charles-Louis Barreswil
- Charles Barrois
- Isaac Barrow
- Martin Barry
- Julius Bartels
- Paul-Joseph Barthez
- Caspar Bartholin
- Erasmus Bartholin
- Thomas Bartholin
- Daniello Bartoli
- Gian Giacomo Bartolotti
- Benjamin Smith Barton
- John Bartram
- William Bartram
- Carl Barus
- Francesco Bassani
- Agostino Maria Bassi
- Raymond Smith Bassler
- Sebastian Basso
- Henry Charlton Bastian
- Jean Eugène Bataillon
- Alan Mara Bateman
- Harry Bateman
- Henry Walter Bates
- Leslie Fleetwood Bates
- Marston Bates
- William Bateson
- Francis Arthur Bather
- Abū ʿAbd Allāh Muḥammad ibn Jābir ibn Sinān al-Raqqī al-Ḥarrānī al-Ṣābiʾ al-Battānī
- Baṭṭūṭa Ibn
- Alexandre Édouard Baudrimont
- Edmond Bauer
- Ferdinand Lucas Bauer
- Franz Andreas Bauer
- Louis Agricola Bauer
- Gaspard Bauhin
- Jean Bauhin
- Antoine Baumé
- Edouard Henri von Baumhauer
- Heinrich Adolf Baumhauer
- Erwin Baur
- Frederick Charles Bawden
- Pierre Bayen
- Johann Bayer
- Thomas Bayes
- al-Qibjāqī Baylak
- Leonard Ernest Bayliss
- William Maddock Bayliss
- Ḍiyāʾ al-dīn Abū Muḥhammad ʿAbdallāh ibn Aḥmad ibn al-Bayṭār al-Mālaqī
- Lionel Smith Beale
- Jean Beaugrand
- William Beaumont
- Nello Beccari
- Giambatista Beccaria
- Pierre Jacques Antoine Béchamp
- Johann Joachim Becher
- Friedrich Johann Karl Becke
- George Ferdinand Becker
- Ernest Otto Beckmann
- Johann Beckmann
- Alexandre-Edmond Becquerel
- Antoine-César Becquerel
- Henri Becquerel
- Jean Antoine Edmond Marie Becquerel
- Paul Becquerel
- John Beddoe
- Thomas Beddoes
- the Venerable Bede
- Isaac Beeckman
- Wilhelm Beer
- Charles Edward Beevor
- Henri Béghin
- Jean Beguin
- Alexandre-Émile Béguyer de Chancourtois
- Martin Behaim
- Anton Friedrich Robert Behrend
- Emil von Behring
- Martinus Willem Beijerinck
- Konrad Friedrich Beilstein
- Georg von Békésy
- Nikolai Nikolaevich Beketov
- Vladimir Mikhailovich Bekhterev
- Nicholas Timothy Belaiew
- Karl Bělǎr
- Bernard Forest de Bélidor
- Alexander Graham Bell
- Charles Bell
- Eric Temple Bell
- Robert Bell
- Angelo Bellani
- Luigi Bellardi
- Robert Bellarmine
- Giusto Bellavitis
- Pierre Richer de Belleval
- Lorenzo Bellini
- Faddei F. Bellinsgauzen
- Pierre Belon
- Aristarkh Apollonovich Belopolsky
- Nikolai Vasil'Evich Belov
- Nikolai Vasil'evich Belov
- Andrei Nikolaevich Belozerskii
- Eugenio Beltrami
- Edouard van Beneden
- Pierre-Joseph van Beneden
- Alessandro Benedetti
- Giovanni Battista Benedetti
- Carl Axel Fredrik Benedicks
- Francis Gano Benedict
- Antonio Benivieni
- Justin-Mirande René Benoit
- Robert Russell Bensley
- George Bentham
- Alfred Theodor Bentz
- Johann Friedrich Benzenberg
- Jacques Étienne Bérard
- Joseph Frédéric Bérard
- Giacomo Berengario da Carpi
- Lev Simonovich Berg
- Hans Berger
- Johann Gottfried Berger
- Friedrich Bergius
- Stefan Bergman
- Torbern Olof Bergman
- Max Bergmann
- Henri-Louis Bergson
- Claude Guillermet de Bérigard
- Vitus Bering
- Johann Bartholomaeus Adam Beringer
- George Berkeley
- Miles Joseph Berkeley
- Lloyd Viel Berkner
- John Desmond Bernal
- Bernardus Bernard of Chartres
- Bernard of Le Treille
- Bernard of Trevisan
- Bernardus de Bernard of Verdun
- Bernard de Bernard Silvestre
- Claude Bernard
- Noël Bernard
- Paul Isaac Bernays
- Hippolyte Bernheim
- Daniel Bernoulli
- Jakob Bernoulli
- Jakob I Bernoulli
- Jakob II Bernoulli
- Johann Bernoulli
- Johann I Bernoulli
- Johann II Bernoulli
- Johann III Bernoulli
- Nikolaus I Bernoulli
- Nikolaus II Bernoulli
- Felix Bernstein
- Julius Bernstein
- Sergey Natanovich Bernstein
- Heinrich August Bernthsen
- Paul Bert
- Pierre Eugène Marcellin Berthelot
- Pierre Berthier
- Arnold Adolphe Berthold
- Claude-Louis Berthollet
- Pierre Bertholon
- Gasparo Berti
- Louis-Émile Bertin
- Eugenio Bertini
- Charles-Eugène Bertrand
- Gabriel Bertrand
- Joseph Louis François Bertrand
- Marcel-Alexandre Bertrand
- William Edward Hodgson Berwick
- Jöns Jacob Berzelius
- Abram Samoilovitch Besicovitch
- Friedrich Wilhelm Bessel
- Henry Bessemer
- Charles Edwin Bessey
- Charles Herbert Best
- Augustin de Betancourt y Molina
- Enrico Betti
- François-Sulpice Beudant
- Gabriel-Léopold-Charles-Amé Bexon
- Heinrich Ernst Beyrich
- Albert von Bezold
- Étienne Bezout
- Homi Jehangir Bhabha
- Bhāskara I
- Bhāskara II
- Czesław Białobrzeski
- Angelo Bianchi
- Luigi Bianchi
- Marie-François-Xavier Bichat
- Alexander William Bickerton
- Friedrich Heinrich Bidder
- Govard Bidloo
- Wilhelm von Biela
- Irénée-Jules Bienaymé
- Camille Guillaume Bigourdan
- Theodor Bilharz
- Elkanah Billings
- Christian Albert Theodor Billroth
- Jacques de Billy
- Alfred Binet
- Nicolas Bion
- Jean-Baptiste Biot
- John Bird
- Edward Asahel Birge
- Raymond Thayer Birge
- Vannoccio Biringuccio
- George David Birkhoff
- John Birmingham
- William Radcliff Birt
- Abū Rayḥān al-Bīrūnī
- Carl Gustav Christoph Bischof
- Gottlieb Wilhelm Bischoff
- Theodor Ludwig Wilhelm Bischoff
- Johann Heinrich Bisterfeld
- Abū Isḥāq al-Biṭrūjī al-Ishbīlī
- Giulio Cesare Bizzozero
- Carl Anton Bjerknes
- Jacob Aall Bonnevie Bjerknes
- Vilhelm Frimann Koren Bjerknes
- Niels Janniksen Bjerrum
- Davidson Black
- James Black
- Joseph Black
- Frederick Frost Blackman
- Willem Janszoon Blaeu
- Charles Blagden
- Henri Marie Ducrotay de Blainville
- Patrick Blair (surgeon)
- Alberto-Carlo Blanc
- Raoul Blanchard
- Wilhelm Johann Eugen Blaschke
- Blasius of Parma
- Sergei Nikolaevich Blazhko
- Hans Frederick Blichfeldt
- Gilbert Ames Bliss
- Christian Wilhelm Blomstrand
- André Eugène Blondel
- Nicolas-François Blondel
- René-Prosper Blondlot
- Johann Friedrich Blumenbach
- Edward Blyth
- Franz Boas
- Étienne Bobillier
- Jean-Baptiste-Gaspard Bochart de Saron
- Maxime Bôcher
- Salomon Bochner
- Jerome Bock
- Johann Elert Bode
- Fritz Simon Bodenheimer
- Max Bodenstein
- Jacob Boehme
- Hermann Boerhaave
- Anicius Manlius Severinus Boethius
- Aleksandr Aleksandrovich Bogdanov
- Aleksei Alekseevich Bogdanov
- Palm Heinrich Ludwig von Boguslavsky
- Piers Bohl
- Johannes Bohn
- Christian Harald Lauritz Peter Emil Bohr
- Harald Bohr
- Niels Henrik David Bohr
- Paul Émile Lecoq de Boisbaudran
- Lodewijk Bolk
- Bolos of Mendes
- Andrei Timofeevich Bolotov
- Bertram Borden Boltwood
- Ludwig Boltzmann
- Farkas Bolyai
- János Bolyai
- Oskar Bolza
- Bernard Bolzano
- Rafael Bombelli
- Lucien Jules Laurent Bonaparte
- Federigo Bonaventura
- Baldassarre Boncompagni
- George Phillips Bond
- William Cranch Bond
- Charles Bonnet
- Pierre-Ossian Bonnet
- Thomas George Bonney
- Gaston Bonnier
- Giovan Cosimo Bonomo
- Costanzo Benedetto Bonvicino
- Anselmus Boetius de Boodt
- George Boole
- Carl Wilhelm Borchardt
- Jean-Charles Borda
- Jules Bordet
- Théophile de Bordeu
- Émile Borel
- Pierre Borel
- Giovanni Alfonso Borelli
- Theodoric Borgognoni of Lucca
- Ignaz Edler von Born
- Max Born
- Aleksandr Porfirevich Borodin
- Olaus Borrichius
- Bodo von Borries
- Girolamo Borro
- Karol Borsuk
- Ladislaus Bortkiewicz
- Ettore Bortolotti
- Jean Baptiste Georges Marie Bory de Saint-Vincent
- Louis Augustin Guillaume Bosc
- Carl Bosch
- Georg Matthias Bose
- Jagadischandra Bose
- Satyendranath Bose
- Rudjer J. Bošković
- Lewis Boss
- Abraham Bosse
- Charles Bossut
- John Bostock
- Leonardo Botallo
- Walther Wilhelm Georg Bothe
- Filippo Bottazzi
- Jacques Boucher de Crèvecoeur de Perthes
- Ami Boué
- Louis Antoine de Bougainville
- Pierre Bouguer
- Pol André Bouin
- Marcellin Boule
- Nicolas-Antoine Boullanger
- Ismael Boulliau
- Jean-Claude Bouquet
- Edmond Bour
- Claude Bourdelin
- Pierre Michon Bourdelot
- Eugène Bourdon
- Louis Bourguet
- Jacques-Louis Bournon
- Joseph Valentin Boussinesq
- Jean Baptiste Joseph Dieudonné Boussingault
- Pierre Léon Boutroux
- Alexis Bouvard
- Charles Bouvelles
- Theodor Boveri
- Henry Pickering Bowditch
- Nathaniel Bowditch
- Ira Sprague Bowen
- Norman Levi Bowen
- Rufus Bowen
- Frederick Orpen Bower
- William Bowie
- Isaiah Bowman
- William Bowman
- Robert Boyle
- Charles Vernon Boys
- de Witt Bristol Brace
- Albert Brachet
- Henri Braconnot
- Joshua Taylor Bradford
- James Bradley
- Richard Bradley
- Thomas Bradwardine
- Sir William Lawrence Bragg
- William Henry Bragg
- Tycho Brahe
- Brahmadeva
- Brahmagupta
- William Braikenridge
- Benjamin Bramer
- William Thomas Brande
- Heinrich Wilhelm Brandes
- Georg Brandt
- Johann Friedrich Brandt
- John Alfred Brashear
- Nikolai Dmitrievich Brashman
- Richard Dagobert Brauer
- Alexander Carl Heinrich Braun
- Ferdinand Braun
- Bohuslav Brauner
- Anton von Braunmühl
- Auguste Bravais
- Fedor Aleksandrovich Bredikhin
- Simon Bredon
- Julius Oscar Brefeld
- Louis François Clément Breguet
- Scipione Breislak
- Johann Friedrich August Breithaupt
- Carl Bremiker
- Otto Rudolf Martin Brendel
- Gilbert Breschet
- Jean Jacques Bret
- Pierre Bretonneau
- Josef Breuer
- Henri Édouard Prosper Breuil
- David Brewster
- Charles-Julien Brianchon
- Calvin Blackman Bridges
- Percy Williams Bridgman
- Henry Briggs
- Lyman James Briggs
- Richard Bright
- Alexander Wilhelm von Brill
- Léon Nicolas Brillouin
- Marcel Louis Brillouin
- Johan August Brinell
- Erland Samuel Bring
- John Brinkley
- Francesco Brioschi
- Charles Auguste Briot
- Thomas Brisbane
- Barnabé Brisson
- Mathurin-Jacques Brisson
- James Britten
- Nathaniel Lord Britton
- Pierre Paul Broca
- Pierre René Jean-Baptiste Henri Brocard
- Giovanni Battista Brocchi
- André-Jean-François-Marie Brochant de Villiers
- Wallace Reed Brode
- Benjamin Collins Brodie
- Waldemar Christopher Brøgger
- Louis-César-Victor-Maurice de Broglie
- Ferdinand Broili
- Magnus von Bromell
- Thomas John I'Anson Bromwich
- Adolphe-Théodore Brongniart
- Alexandre Brongniart
- Detlev Wulf Bronk
- Heinrich Georg Bronn
- Johannes Nicolaus Brønsted
- Alfred Hulse Brooks
- William Keith Brooks
- William Robert Brooks
- Robert Broom
- William Brouncker
- François Joseph Victor Broussais
- Pierre-Auguste-Marie Broussonet
- Dirk Brouwer
- Hendrik Albertus Brouwer
- Luitzen Egbertus Jan Brouwer
- Alexander Crum Brown
- Ernest William Brown
- Robert Brown
- Thomas Browne
- William Rowan Browne
- William Brownrigg
- Charles-Édouard Brown-Séquard
- Jan Brożek
- David Bruce
- James Bruce
- Ernst Wilhelm von Brücke
- Max Brödel
- Karl Christian Bruhns
- Émile Brumpt
- Filippo Brunelleschi
- Otto Brunfels
- Jean Brunhes
- Giordano Bruno
- Léon Brunschvicg
- Hieronymus Brunschwig
- Thomas Lauder Brunton
- Kirk Bryan
- Bryson of Heraclea
- Walter Brytte
- Philippe Buache
- Serge Nikolaevich von Bubnoff
- Leopold von Buch
- John Young Buchanan
- Walter Herman Bucher
- Alfred Heinrich Bucherer
- Eduard Buchner
- Friedrich Karl Christian Ludwig Büchner
- Christian Friedrich Bucholz
- Edgar Buckingham
- William Buckland
- Jean-Baptiste Michel Bucquet
- Ferdinand François Désiré Budan de Boislaurent
- William Budd
- Arthur Francis Buddington
- Georges-Louis Leclerc Buffon
- Nicolay Vasilievich Bugaev
- Edward Crisp Bullard
- Keith Edward Bullen
- Arthur Henry Reginald Buller
- William Bulloch
- Hermon Carey Bumpus
- Gustav von Bunge
- Robert Wilhelm Eberhard Bunsen
- Viktor Yakovlevich Bunyakovsky
- Francesco Buonamici
- Filippo Buonanni
- Paolo del Buono
- Jacques Buot
- Cesare Burali-Forti
- Karl Friedrich Burdach
- Nicolai Nilovich Burdenko
- John Scott Burdon-Sanderson
- Johann Tobias Bürg
- Herman Carel Burger
- Frank Burgersdijk
- Joost Bürgi
- Jean Buridan
- Walter Burley
- Thomas Burnet
- Sherburne Wesley Burnham
- William Burnside
- Carl Jensen Burrau
- Charles Rugeley Bury
- August Ludwig Busch
- Vannevar Bush
- George Busk
- Johannes Buteo
- Abuʾl-Ḥasan al-Mukhtār ibn ʿAbdūn ibn Saʿdūn ibn Buṭlān
- Aleksandr Mikhailovich Butlerov
- Otto Bütschli
- Rudolph Christian Böttger
- Christoph Hendrik Diederik Buys Ballot
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- Pierre-Jean-Georges Cabanis
- Niccolo Cabeo
- Blas Cabrera
- Charles-Louis Cadet de Gassicourt
- Antoine-Alexis-François Cadet de Vaux
- Louis-Claude Cadet
- Charles Cagniard de la Tour
- Auguste André Thomas Cahours
- Louis Paul Cailletet
- John Caius
- Giuseppe Calandrelli
- Ignazio Calandrelli
- Calcidius
- Leopoldo Marcantonio Caldani
- Francisco José de Caldas
- Gary Nathan Calkins
- Nicholas Callan
- Pierre Jean Octave Callandreau
- Hugh Longbourne Callendar
- Callinicos of Heliopolis
- Callippus
- Albert Calmette
- Rudolph Jakob Camerarius
- Angus Ewan Cameron
- Tommaso Campanella
- Giuseppe Campani
- Campanus of Novara
- Douglas Houghton Campbell
- Ian Campbell
- Norman Robert Campbell
- William Wallace Campbell
- Peter Camper
- Charles-Étienne-Louis Camus
- Giovan Battista Canano
- Franz Ludwig von Cancrin
- Alphonse de Candolle
- Augustin-Pyramus de Candolle
- Stanislao Cannizzaro
- Annie Jump Cannon
- Walter Bradford Cannon
- John Canton
- Georg Cantor
- Moritz Benedikt Cantor
- Baldassar Capra
- Juan Caramuel y Lobkowitz
- Arnould Carangeot
- Constantin Carathéodory
- Pierre de Carcavi
- Girolamo Cardano
- Anthony Carlisle
- Anton Julius Carlson
- Rudolf von Carnall
- Lazare-Nicolas-Marguerite Carnot
- Nicolas Léonard Sadi Carnot
- Heinrich Caro
- Wallace Hume Carothers
- Henry Cort Harold Carpenter
- William Benjamin Carpenter
- Herbert Wildon Carr
- Alexis Carrel
- Richard Christopher Carrington
- James Carroll
- Rachel Louise Carson
- Élie Cartan
- Julius Victor Carus
- Paul Carus
- Gaspar Roque Francisco Narciso Casal Julian
- Cassegrain
- Giulio Casseri
- César-François Cassini de Thury
- Gian Domenico Cassini
- Jacques Cassini
- Jean-Dominique Cassini
- Flavius Magnus Aurelius Cassiodorus Senator
- Ernst Alfred Cassirer
- Luigi Castaldi
- Louis-Bertrand Castel
- Benedetto Castelli
- Guido Castelnuovo
- Alberto Castigliano
- Johann Castillon
- William Ernest Castle
- Miguel Antonio Catalán
- Pietro Antonio Cataldi
- Mark Catesby
- James McKeen Cattell
- Augustin-Louis Cauchy
- Maurice Caullery
- Bonaventura Cavalieri
- Tiberius Cavallo
- Antonio José Cavanilles
- Henry Cavendish
- Joseph-Bienaimé Caventou
- Lucien Cayeux
- Arthur Cayley
- Eduard Čech
- Juan de Celaya
- Jacques-Philippe-Martin Cels
- Anders Celsius
- Aulus Cornelius Celsus
- Censorinus
- Mieczysław Centnerszwer
- Vicente Cervantes
- Andrea Cesalpino
- Ernesto Cesàro
- Federico Cesi
- Giacinto Cestoni
- Ludolph van Ceulen
- Giovanni Ceva
- Tomasso Ceva
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- Jean-Baptiste Chappe D'Auteroche
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- Jean-Martin Charcot
- Jean Pierre Chardenon
- Louis-Marie-Hilaire Bernigaud Chardonnet
- Jacques-Alexandre-César Charles
- Walter Charleton
- Johann de Charpentier
- Augustin Georges Albert Charpy
- Michel Chasles
- Gabrielle-Émilie Le Tonnelier de Breteuil Châtelet
- Geoffrey Chaucer
- Guy de Chauliac
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- Jean François Chazy
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- Temple Chevallier
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- Jules de Christol
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- Chu Shih-Chieh
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- Alvan Clark
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- Cleomedes
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- Igino Cocchi
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- John Douglas Cockcroft
- Delfino Codazzi
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- William David Coolidge
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- Orso Mario Corbino
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- Bonaventura Corti
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- Ctesibius
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- Frédéric Cuvier
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- Jan Czerski
?
- Gunnar Dahlberg
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- William Darlington
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- Erasmus Darwin
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- Daśabala
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- Louis-Jean-Marie Daubenton
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- Gabriel-Auguste Daubrée
- Casimir Joseph Davaine
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- Harold Davenport
- Tannatt William Edgeworth David
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- Lee De Forest
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- Johannes De Groot
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- Kenelm Digby
- Leonard Digges
- Thomas Digges
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- Dinakara
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- Ulisse Dini
- Dinostratus
- Diocles
- Diocles of Carystus
- Achille-Pierre Dionis du Séjour
- Dionysodorus
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- Pedanius Dioscorides
- Paul Adrien Maurice Dirac
- Gustav Peter Lejeune Dirichlet
- William Dittmar
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- Harold Baily Dixon
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- Jeremiah Dixon
- Cecil Clifford Dobell
- Theodosius Dobzhansky
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- Felix Anton Dohrn
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- Henry Herbert Donaldson
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- Carl W. M. Dorno
- Dorotheus of Sidon
- Dositheus
- James Douglas
- Jesse Douglas
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- Arthur Matthew Weld Downing
- Jules Joseph Drach
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- John William Draper
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- Hugh Latimer Dryden
- Erich von Drygalski
- Emil Heinrich Du Bois–Reymond
- Paul David Gustav Du Bois–Reymond
- Pierre-Louis-Georges Du Buat
- Jean-Baptiste Du Hamel
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- Guillaume-Henri Dufour
- Ours-Pierre-Armand Dufrénoy
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- Jean-Marie-Constant Duhamel
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- Pierre Louis Dulong
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- John Duns Scotus
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- Pierre-Charles-François Dupin
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- Iustin Evdokimovich Dyadkovsky
- Walther Franz Anton von Dyck
- Frank Watson Dyson
?
- Edward Murray East
- Cornelis Easton
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- Carl Henry Eckart
- Wallace John Eckert
- Arthur Stanley Eddington
- Cornelis Hendrik Edelman
- Josef Ḿaria Eder
- Johanna Gabrielle Otillie Edinger
- Thomas Alva Edison
- David Edwardes
- Austin Burton Edwards
- William Frédéric Edwards
- Antonio Caetano de Abreu Freire Egas Moniz
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- Christian Gottfried Ehrenberg
- Paul Ehrenfest
- Felix Ehrenhaft
- Charles Ehresmann
- Georg Dionysius Ehret
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- Aleksandr Aleksandrovich Eichenwald
- August Wilhelm Eichler
- Karl Eduard Ivanovich Eichwald
- Carl H. Eigenmann
- Christiaan Eijkman
- Theodor Gustav Heinrich Eimer
- Albert Einstein
- Willem Einthoven
- Luther Pfahler Eisenhart
- Ferdinand Gotthold Max Eisenstein
- Anders Gustaf Ekeberg
- Vagn Walfrid Ekman
- Fausto d'Elhuyar
- Juan José d'Elhuyar
- Jean-Baptiste-Armand-Louis-Léonce Élie de Beaumont
- William Lewis Elkin
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- William Ellis
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- Pio Emanuelli
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- Robert Emden
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- Robert Emerson
- Ebenezer Emmons
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- Empedocles of Acragas
- Johann Franz Encke
- Friedrich Engel
- George Engelmann
- Theodor Wilhelm Engelmann
- Friedrich Engels
- Heinrich Gustav Adolf Engler
- Federigo Enriques
- David Enskog
- George Ent
- Epicurus
- Paul Sophus Epstein
- Erasistratus
- Thomas Erastus
- Eratosthenes
- Lazarus Ercker
- Arthur Erdélyi
- Otto Linné Erdmann
- Johannes Scottus Eriugena
- Joseph Erlanger
- Richard August Carl Emil Erlenmeyer
- Georg Adolph Erman
- Léo-Abram Errera
- Hans Ertel
- Hans Conrad Escher von Der Linth
- Hans Conrad Escher von der Linth
- Berend George Escher
- Theodor Escherich
- Mikkel Pedersön Escholt
- Johann Friedrich Eschscholtz
- Ernest Benjamin Esclangon
- Pentti Elias Eskola
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- William Esson
- Charles Estienne
- Arnold Thomas Eucken
- Euclid
- Euctemon
- Eudemus of Rhodes
- Eudoxus of Cnidus
- Leonhard Euler
- Hans Karl August Simon von Euler-Chelpin
- Bartolomeo Eustachi
- Eutocius of Ascalon
- Baron von Eötvös
- Alexander William Evans
- Frederick John Owen Evans
- Griffith Conrad Evans
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- James Alfred Ewing
- William Maurice Ewing
- Henry Eyring
- Johann Albert C. Eytelwein
- Abraham Ben Meir ibn Ezra
?
- Giovanni Valentino Mattia Fabbroni
- Jean Henri Fabre
- Honoré Fabri
- Girolamo Fabrici
- Johann Christian Fabricius
- Charles Fabry
- Louis Fabry
- Giovanni Francesco Fagnano dei Toschi
- Giulio Carlo Fagnano dei Toschi
- Daniel Gabriel Fahrenheit
- Kasimir Fajans
- Hugh Falconer
- Gabriele Falloppio
- Isidor Fankuchen
- Gino Fano
- Abū Naṣr Muḥammad ibn Muḥammad ibn Ṭarkhan ibn Awzalagh al-Fārābī
- Michael Faraday
- John Farey
- Abu'l-ʿAbbās Aḥmad ibn Muḥammad ibn Kathīr al-Farghānī
- Laszlo Farkas
- John Bretland Farmer
- John Farrar
- Pierre Joseph Louis Fatou
- Barthélemy Faujas de Saint-Fond
- Johann Faulhaber
- Alexei Yevgrafovich Favorsky
- Pierre Antoine Favre
- Hervé Faye
- Muḥammad ibn Ibrāhīm al-Fazārī
- George William Featherstonhaugh
- Gustav Theodor Fechner
- Berend Wilhelm Feddersen
- Evgenii Konstantinovich Fedorov
- Antoine-Laurent-Apollinaire Fée
- Georg Feigl
- Lipót Fejér
- William Feller
- Wallace Osgood Fenn
- Nevin Melancthon Fenneman
- Clarence Norman Fenner
- James Ferguson
- Pierre de Fermat
- Enrico Fermi
- Merritt Lyndon Fernald
- Jean François Fernel
- Ludovico Ferrari
- Galileo Ferraris
- Antoine Ferrein
- William Ferrel
- David Ferrier
- Scipione dal Ferro
- Aleksandr Evgenievich Fersman
- Reginald Aubrey Fessenden
- Karl Wilhelm Feuerbach
- Louis Feuillée
- Robert Joachim Feulgen
- Leonardo Fibonacci
- Lazare-Eugène Fichot
- Adolf Eugen Fick
- John Charles Fields
- Louis Frederick Fieser
- Noël Fiessinger
- Paul Gordon Fildes
- Iurii Aleksandrovich Filipchenko
- Henry Burchard Fine
- Oronce Fine
- Thomas Fink
- Carlos Juan Finlay
- Niels Ryberg Finsen
- Firmicus Maternus
- Emil Hermann Fischer
- Hans Fischer
- Hermann Otto Laurenz Fischer
- Nicolaus Wolfgang Fischer
- Ronald Aylmer Fisher
- Asa Fitch
- Rudolph Fittig
- William Henry Fitton
- George Francis Fitzgerald
- Robert Fitzroy
- Armand-Hippolyte-Louis Fizeau
- Camille Flammarion
- John Flamsteed
- Paul Emil Flechsig
- Johannes Fleischer
- Alexander Fleming
- John Fleming
- John Ambrose Fleming
- Williamina Paton Fleming
- Walther Flemming
- Walter Morley Fletcher
- John Smith Flett
- Simon Flexner
- Howard Walter Florey
- Marie-Jean-Pierre Flourens
- William Henry Flower
- Robert Fludd
- August Frederick Foerste
- Vladimir Aleksandrovich Fok
- Hermann Fol
- Otto Folin
- Martin Folkes
- Alexis Fontaine
- Felice Fontana
- Bernard Le Bouyer de Fontenelle
- Alexander Forbes
- Edward Forbes
- James David Forbes
- Stephen Alfred Forbes
- Johan Georg Forchhammer
- Mathurin-Joseph Fordos
- Auguste-Henri Forel
- François Alphonse Forel
- Peter Forsskål
- Georg Adam Forster
- Johann Reinhold Forster
- Andrew Russell Forsyth
- Jean Nicolas Fortin
- William Frederick Foshag
- Henry Foster
- Michael Foster
- Jean-Bernard-Léon Foucault
- Jean-Paul Grandjean de Fouchy
- Ferdinand André Fouqué
- Antoine François de Fourcroy
- Jean-Baptiste-Joseph Fourier
- Paul Fourmarier
- Ernest Fourneau
- Benoît Fourneyron
- Alfred Fowler
- Ralph Howard Fowler
- George Fownes
- Girolamo Fracastoro
- Adolf Abraham Fraenkel
- Julien Fraipont
- François Français
- Jacques Frédéric Français
- Piero della Francesca
- Francis of Marchia
- Francis of Meyronnes
- James Franck
- Sebastian Franck
- Philipp Frank
- Moritz Ludwig Frankenheim
- Edward Frankland
- Percy Faraday Frankland
- Benjamin Franklin
- Rosalind Elsie Franklin
- Joseph Fraunhofer
- James George Frazer
- René Maurice Fréchet
- Frederick II of Hohenstaufen
- Léon Fredericq
- Ivar Fredholm
- Friedrich Ludwig Gottlob Frege
- Johann Karl Freiesleben
- John Freind
- Edmond Frémy
- Jean-Frédéric Frenet
- Bernard Frenicle De Bessy
- Yakov Ilyich Frenkel
- Friedrich August Frenzel
- John Frere
- Carl Remigius Fresenius
- Augustin Jean Fresnel
- Sigmund Freud
- Karl Johann Freudenberg
- Erwin Finlay Freundlich
- Herbert Max Finlay Freundlich
- Maximilian Ruppert Franz von Frey
- Georges Friedel
- Aleksandr Aleksandrovich Friedman
- John Albert Newton Friend
- Elias Magnus Fries
- Jakob Friedrich Fries
- Karl Ritter von Frisch
- Otto Robert Frisch
- Paolo Frisi
- Gustav Theodor Fritsch
- Carl Julius Fritzsche
- Georg Ferdinand Frobenius
- Edwin Brant Frost
- William Froude
- Aleksandr Naumovich Frumkin
- Guido Fubini
- Immanuel Lazarus Fuchs
- Johann Nepomuk von Fuchs
- Leonhart Fuchs
- Georg Christian Füchsel
- Karl Rudolf Fueter
- Johann Karl Fuhlrott
- John Farquhar Fulton
- Casimir Funk
- August Föppl
- Jean Fusoris
- Nicolaus Fuss
- Evgraf Stepanovich Fyodorov
?
- William More Gabb
- Dennis Gabor
- Siegmund Gabriel
- Johan Gadolin
- Wolfgang Gaede
- Joseph Gaertner
- Karl Friedrich von Gaertner
- Georg Theodor August Gaffky
- Domenico Gagliardi
- Élie Gagnebin
- Johan Gottlieb Gahn
- Aimable Jean-Baptiste Gaillot
- Joseph Paul Gaimard
- Walter Lee Gaines
- Domenico Gusmano Galeazzi
- Galen
- Boris Grigorievich Galerkin
- Galileo Galilei
- Vincenzio Galilei
- Franz Joseph Gall
- Johann Gottfried Galle
- Jean Gallois
- Evariste Galois
- Francis Galton
- Luigi Galvani
- Nikolay Fyodorovich Gamaleya
- Henri-Prudence Gambey
- George Gamow
- Gaṇeśa Daivajna
- Antonio Giorgio Garbasso
- Thomas Garnett
- Prosper Garnot
- Lazare Garreau
- Archibald Edward Garrod
- Walter Garstang
- William Gascoigne
- Walter Holbrook Gaskell
- Pierre Gassendi
- Herbert Spencer Gasser
- John Peter Gassiot
- Reginald Ruggles Gates
- Marc Antoine Augustin Gaudin
- Albert Jean Gaudry
- Henri-François Gaultier de Claubry
- Carl Friedrich Gauss
- Armand E.-J. Gautier
- Paul Ferdinand Gautier
- Frederick Parker Gay
- Louis Gayant
- Joseph-Louis Gay-Lussac
- Charles de Geer
- Gerhard Jakob de Geer
- Carl Gegenbaur
- Adolf Ferdinand Gehlen
- Hans Geiger
- Archibald Geikie
- James Geikie
- Karl Friedrich Geiser
- Johann Heinrich Wilhelm Geissler
- F. K. Hans Geitel
- Alexandr Osipovich Gelfond
- Henry Gellibrand
- Paul Josef Jakob Gelmo
- Geminus
- Thomas Geminus
- Reiner Gemma Frisius
- Frederick Augustus Genth
- Gerhard Gentzen
- Étienne Geoffroy Saint-Hilaire
- Isidore Geoffroy Saint-Hilaire
- Claude Joseph Geoffroy
- Étienne François Geoffroy
- Étienne Louis Geoffroy
- Gerard of Brussels
- Gerard of Cremona
- Gerard of Silteo
- John Gerard
- Boris Petrovich Gerasimovich
- Gerbert d'Gerbert
- Marcus Gerbezius
- Joseph Diaz Gergonne
- Charles Frédéric Gerhardt
- Sophie Germain
- Henricus Martellus Germanus
- Arnold Lucius Gesell
- Konrad Gesner
- Johannes Gessner
- Anton Geuther
- Marino Ghetaldi
- Luca Ghini
- Martino Ghisi
- Alfred Giard
- William Francis Giauque
- Josiah Willard Gibbs
- Wolcott Gibbs
- Friedrich Oskar Giesel
- Maurice Gignoux
- Grove Karl Gilbert
- William Gilbert
- Giles of Lessines
- Giles of Rome
- David Gill
- Theodore Nicholas Gill
- James Gilluly
- Giovanni Giorgi
- Albert Girard
- Pierre-Simon Girard
- Christoph Girtanner
- John Hall Gladstone
- James Glaisher
- James Whitbread Lee Glaisher
- Joseph Glanvill
- Christopher Glaser
- Johann Heinrich Glaser
- Johann Rudolph Glauber
- Richard Tetley Glazebrook
- Wilhelm Friedrich von Gleichen-Russworm
- Marcel-Eugène-Émile Gley
- Francis Glisson
- Johann Georg Gmelin
- Leopold Gmelin
- Nicolas-Théodore Gobley
- Robert Hutchings Goddard
- Thomas Godfrey
- Louis Godin
- Robert Alfred Cloyne Godwin-Austen
- Karl Goebel
- Johannes Goedaert
- Heinrich Robert Goeppert
- Johann Wolfgang von Goethe
- Alexander Wilhelm Goette
- Jacques Gohory
- Christian Goldbach
- Joseph Goldberger
- Winifred Goldring
- Richard Benedict Goldschmidt
- Victor Goldschmidt
- Victor Moritz Goldschmidt
- Eugen Goldstein
- Camillo Golgi
- Boris Borisovich Golitsyn
- Friedrich Leopold Goltz
- Moses Gomberg
- Benjamin Gompertz
- Edwin Stephen Goodrich
- John Goodricke
- John Goodsir
- Thomas Harper Goodspeed
- Paul Albert Gordan
- Walter Gordon
- George Gore
- Michele Gortani
- Jules-Auguste Gosselet
- William Sealy Gosset
- Samuel Abraham Goudsmit
- Augustus Addison Gould
- Benjamin Apthorp Gould
- John Gould
- Édouard Jean-Baptiste Goursat
- Louis-Georges Gouy
- Regnier de Graaf
- Amadeus William Grabau
- Karl James Peter Graebe
- Kasimir Romuald Graff
- Karl Heinrich Gräffe
- George Graham
- Thomas Graham
- Hans Christian Joachim Gram
- Zénobe-Théophile Gramme
- Antoine Alfred Arnaud Xavier Louis de Gramont
- Cyrille Grand'eury
- Guido Grandi
- Walter Willis Granger
- Franz Grashof
- Giovanni Battista Grassi
- Hermann Günther Grassmann
- Louis Pierre Gratiolet
- John Graunt
- Dmitry Aleksandrovich Grave
- Willem Jacob 's Gravesande
- Asa Gray
- Henry Gray
- Stephen Gray
- George Green
- Jacob Green
- George Bellas Greenough
- Isaac Greenwood
- David Gregory
- Duncan Farquharson Gregory
- Frederick Gugenheim Gregory
- James Gregory
- Olinthus Gilbert Gregory
- William Gregory
- William King Gregory
- Friedrich Albrecht Carl Gren
- Amanz Gressly
- Nehemiah Grew
- Johann Peter Griess
- Richard John Griffith
- William Griffith
- François Auguste Victor Grignard
- Gerrit Grijns
- Francesco Maria Grimaldi
- Joseph Grinnell
- August Heinrich Rudolf Grisebach
- Federico de Grisogono
- Albrecht von Groddeck
- Walter Robert Gross
- Robert Grosseteste
- Ernst A. F. W. Grossmann
- Marcel Grossmann
- Augustus Radcliffe Grote
- Paul Heinrich von Groth
- Theodor Grotthuss
- William Robert Grove
- Howard Grubb
- Thomas Grubb
- Johann Ulrich Grubenmann
- Max von Gruber
- David Gruby
- Jean Paul Gua de Malves
- Giovanni Battista Guccia
- Johann Bernhard Aloys von Gudden
- Kurt Friedrich Gödel
- Christoph Gudermann
- Adam Wilhelm Siegmund Guenther
- Otto von Guericke
- William Minot Guertler
- Jean-Étienne Guettard
- Nicolas Guibert
- Guido Guidi
- Jean-Louis-Léon Guignard
- Charles Édouard Guillaume
- Léon Alexandre Guillet
- Marie Antoine Alexandre Guilliermond
- Joannes Guinter
- Cato Maximilian Guldberg
- Paul Guldin
- John Thomas Gulick
- John Masson Gulland
- Allvar Gullstrand
- Dominicus Gundissalinus
- Edmund Gunter
- Adolph Göpel
- Arthur Görgey
- Aleksandr Gavrilovich Gurvich
- Felix Alexander Gutbier
- Beno Gutenberg
- Charles-Eugène Guye
- Michael Frederic Guyer
- Arnold Henri Guyot
- Louis Bernard Guyton de Morveau
- David Thomas Gwynne-Vaughan
- Leonhard Gyllenhaal
?
- Theodore Haak
- Alfréd Haar
- Arthur Erich Haas
- Wander Johannes de Haas
- Johann Franz Julius von Haast
- Aḥmad ibn ʿAbdallāh al-Marwazī Ḥabash al-Ḥāsib
- Fritz Haber
- Gottlieb Haberlandt
- Jean Nicolas Pierre Hachette
- Jacques Hadamard
- Robert Abbott Hadfield
- John Hadley
- Ernst Hadorn
- Ernst Heinrich Philipp August Haeckel
- Waldemar Mordecai Wolfe Haffkine
- Arnold Hague
- Otto Hahn
- Christian Friedrich Samuel Hahnemann
- Wilhelm Karl Haidinger
- Richard Hakluyt
- John Burdon Sanderson Haldane
- John Scott Haldane
- Richard Burdon Haldane
- George Ellery Hale
- William Hale
- Stephen Hales
- Asaph Hall
- Charles Martin Hall
- Edwin Herbert Hall
- Granville Stanley Hall
- James Hall
- Marshall Hall
- Sir James Hall
- Albrecht von Haller
- Edmond Halley
- William Dobinson Halliburton
- Ernst Hans Hallier
- Wilhelm Ludwig Franz Hallwachs
- Jacob Karl Ernst Halm
- Georges-Henri Halphen
- George Bruce Halsted
- William Stewart Halsted
- Axel Hamberg
- Abū Muḥammad al-Ḥasan ibn Aḥmad ibn YaʿQūb al-Hamdānī
- William Hamilton
- William Rowan Hamilton
- William Hampson
- Maurice Théodore Adolphe Hamy
- Hermann Hankel
- Wilhelm Gottlieb Hankel
- Julius Ferdinand von Hann
- Emil Christian Hansen
- Gerhard Henrik Armauer Hansen
- Peter Andreas Hansen
- William Webster Hansen
- Aleksey Pavlovich Hansky
- Christopher Hansteen
- Arthur Rudolf Hantzsch
- Walter Helmut Häntzschel
- A. G. Vernon Harcourt
- Arthur Harden
- Carl Ludwig Harding
- Claude Hardy
- Godfrey Harold Hardy
- William Bate Hardy
- Robert Hare
- Haridatta I
- Haridatta II
- Charles Robert Harington
- Harish-Chandra
- Alfred Harker
- William Draper Harkins
- William Harkness
- Richard Harlan
- Robert Almer Harper
- Roland McMillan Harper
- Henrik Harpestraeng
- Thomas Harriot
- John Harris
- John Harrison
- Ross Granville Harrison
- Edwin Bret Hart
- Theodor Hartig
- Pieter Harting
- David Hartley
- Samuel Hartlib
- Carl Friedrich Alexander Hartmann
- Georg Hartmann
- Johannes Hartmann
- Johannes Franz Hartmann
- Douglas Rayner Hartree
- Nicolaas Hartsoeker
- Ernst Hartwig
- Edmund Newton Harvey
- William Harvey
- William Henry Harvey
- Friedrich Hasenöhrl
- Helmut Hasse
- Jean-Henri Hassenfratz
- Ferdinand Rudolph Hassler
- Charles Hatchett
- Berthold Hatschek
- Gustave Emile Haug
- Francis Hauksbee
- Felix Hausdorff
- Paul Gabriel Hautefeuille
- René-Just Haüy
- Clopton Havers
- Adrian Hardy Haworth
- Walter Norman Haworth
- Abū'l-Qāsim Muḥammad ibn Ḥawqal
- Ferdinand Vandiveer Hayden
- John Fillmore Hayford
- Abū ʿAlī al-Ḥasan ibn al-Ḥasan ibn al-Haytham
- Thomas Little Heath
- Oliver Heaviside
- Hecataeus of Miletus
- Daniel Friedrich Hecht
- Erich Hecke
- Sven Anders Hedin
- Johann Hedwig
- Oswald Heer
- Bruce C. Heezen
- Friedrich Franz von Hefner-Alteneck
- Martin Heidenhain
- Rudolf Peter Heinrich Heidenhain
- Ian Morris Heilbron
- Hans Arnold Heilbronn
- Albert Heim
- Albert Arnold Heim
- Heinrich Eduard Heine
- Oskar August Heinroth
- Werner Karl Heisenberg
- Weikko Aleksanteri Heiskanen
- Lorenz Heister
- Ludvig Hektoen
- Maximilian Hell
- Bjørn Helland-Hansen
- Ernst Hellinger
- Jean Hellot
- Hermann Hellriegel
- Eduard Helly
- Grigory Petrovich Helmersen
- Friedrich Robert Helmert
- Hermann von Helmholtz
- Johannes Helmont
- Johann Friedrich Henckel
- Lawrence Joseph Henderson
- Thomas Henderson
- Yandell Henderson
- Arthur Henfrey
- Hermann Henking
- Friedrich Gustav Jacob Henle
- Emil Hans Willi Hennig
- Victor Henri
- Sophus Henrichsen
- Denis Henrion
- Henry Bate of Malines
- Henry of Hesse
- Henry of Mondeville
- Joseph Henry
- Paul Pierre Henry
- Thomas Henry
- William Henry
- Kurt Hensel
- Christian Hensen
- John Stevens Henslow
- Heraclides Ponticus
- Heraclitus of Ephesus
- John Herapath
- William Bird Herapath
- Johann Friedrich Herbart
- William Herbert
- Jacques Herbrand
- Curt Alfred Herbst
- Félix d'Hérelle
- Pierre Hérigone
- Karl Ewald Konstantin Hering
- Hermann the Lame
- Carl Heinrich Hermann
- Jakob Hermann
- Sigismund Friedrich Hermbstaedt
- Hermes Trismegistus
- Charles Hermite
- Francisco Hernández
- Hero of Alexandria
- Herodotus of Halicarnassus
- Herophilus
- Paul Louis Toussaint Héroult
- Alfonso Luís Herrera
- Charles Judson Herrick
- Caroline Lucretia Herschel
- John Frederick William Herschel
- William Herschel
- Karl Wilhelm Theodor Richard von Hertwig
- Wilhelm August Oscar Hertwig
- Heinrich Rudolf Hertz
- Ejnar Hertzsprung
- Germain Henri Hess
- Harry Hammond Hess
- Victor Franz Hess
- Ludwig Otto Hesse
- Johann Friedrich Christian Hessel
- Hendrik van Heuraet
- Jan van Heurne
- Johannes Hevelius
- György Hevesy
- William Hewson
- Emil Heyn
- Friedrich Anton von Heynitz
- Jaroslav Heyrovský
- William Heytesbury
- Arend Heyting
- Urban Hiärne
- Hicetas of Syracuse
- Bryan Higgins
- William Higgins
- Nathaniel Highmore
- David Hilbert
- Georg Friedrich Hildebrandt
- Hildegard of Bingen
- Thomas Percy Hilditch
- George William Hill
- John Hill
- Lester Sanders Hill
- Maurice Neville Hill
- John Russell Hind
- Carl Friedrich Hindenburg
- Cyril Norman Hinshelwood
- Hipparchus
- Hippias of Elis
- Hippocrates of Chios
- Hippocrates of Cos
- Kiyotsugu Hirayama
- Gustave Adolfe Hirn
- Ludwig Hirszfeld
- Wilhelm His
- Wilhelm Hisinger
- Albert Spear Hitchcock
- Edward Hitchcock
- Johann Wilhelm Hittorf
- Eduard Hitzig
- Johan Hjort
- Dennis Robert Hoagland
- Thomas Hobbes
- Ernest William Hobson
- William Vallance Douglas Hodge
- Eaton Hodgkinson
- Martinus Hoek
- Józef Maria Hoëné-Wroński
- Jan van der Hoeven
- Jan van Der Hoeven
- Jan van der Hoeven
- Karl Ernst Adolf von Hoff
- Friedrich Hoffmann
- August Wilhelm von Hofmann
- Franz Hofmeister
- Wilhelm Friedrich Benedikt Hofmeister
- Paul Henri Thiry Holbach
- Ludwig Christian Friedrich Holborn
- John Edwards Holbrook
- Edward Singleton Holden
- Bernt Michael Holmboe
- Arthur Holmes
- Frithiof Holmgren
- Wilhelm Homberg
- Everard Home
- Kotaro Honda
- Robert Hooke
- Joseph Dalton Hooker
- William Jackson Hooker
- Thomas Charles Hope
- Heinz Hopf
- Frederick Gowland Hopkins
- William Hopkins
- John Hopkinson
- Felix Hoppe-Seyler
- Jan Horbaczewski
- Guido Horn D'Arturo
- George Henry Horn
- Johannes van Horne
- Leonard Horner
- William George Horner
- Thomas Hornsby
- Christian Horrebow
- Peder Nielsen Horrebow
- Jeremiah Horrocks
- Eben Norton Horsford
- Victor Alexander Haden Horsley
- August Friedrich Horstmann
- Martinus Hortensius
- David Hosack
- Guillaume-Jules Hoüel
- George Washington Hough
- Douglass Houghton
- Bernardo Alberto Houssay
- Leland Ossian Howard
- James Lewis Howe
- William Henry Howell
- Aleš Hrdlička
- Edwin Powell Hubble
- Carl Leavitt Hubbs
- Johann Jacob Huber
- Maksymilian Tytus Huber
- Rudolf Otto Anselm Hüber
- Ambrosius Arnold Willem Hubrecht
- Jan Hudde
- Claude Silbert Hudson
- William Hudson
- Friedrich Freiherr von Huene
- Leon Hufnagel
- William Huggins
- Hugh of St. Victor
- Pierre Henri Hugoniot
- Otto Ludwig Hölder
- Albert Wallace Hull
- Marie-Georges Humbert
- Pierre Humbert
- Friedrich Wilhelm Heinrich Alexander von Humboldt
- David Hume
- William Hume-Rothery
- Abū Zayd Ḥunayn ibn Isḥāq al-ʿIbādī
- Canis Hundt
- Otto Hönigschmid
- Frederick Vinton Hunt
- James Hunt
- Reid Hunt
- Thomas Sterry Hunt
- John Hunter
- William Hunter
- Edward Vermilye Huntington
- Witold Hurewicz
- Adolf Hurwitz
- Emil Huschke
- William Joseph Hussey
- John Hutchinson
- Charles Hutton
- James Hutton
- Thomas Henry Huxley
- Christiaan Huygens
- Alpheus Hyatt
- Egil Andersen Hylleraas
- Libbie Henrietta Hyman
- Hypatia
- Hypsicles of Alexandria
- Joseph Hyrtl
?
- Iamblichus
- Carlos Ibáñez E Ibáñez de Ibero
- Ibn Hibintā
- Ibrāhīm ibn Sinān ibn Thābit ibn Qurra
- Ibrāhīm ibn Yaʿqūb al-IsrāʾAīlī al-Turṭushi
- Joseph Paxson Iddings
- Naum Ilich Idelson
- al-Sharīf al-Idrīsī al-Idrīsī
- Vincent Charles Illing
- Akitune Imamura
- Leopold Infeld
- Jan Ingen-Housz
- Giovanni Filippo Ingrassia
- Robert Thorburn Ayton Innes
- Tadataka Inō
- Abram Fedorovich Ioffe
- Vladimir Nikolaevich Ipatiev
- János Irinyi
- Isaac Israeli
- Charles Edward Isaacs
- Abū Yaʿqūb Isḥāq ibn Ḥunayn
- Jun Ishiwara
- Isidore of Seville
- Isidorus of Miletus
- Arturo Issel
- Ilya Ivanovich Ivanov
- Piotr Pavlovich Ivanov
- Dmitri Iosifovich Ivanovsky
- Herbert Eugene Ives
- James Ivory
?
- Abū Muḥammad Jābir ibn Aflaḥ al-Ishbīlī
- Jābir ibn Ḥayyān
- Auguste Jaccard
- Charles Thomas Jackson
- John Hughlings Jackson
- Carl Gustav Jacob Jacobi
- Moritz Hermann von Jacobi
- Walter Abraham Jacobs
- Pierre Armand Jacquet
- Nikolaus Josef Jacquin
- Frans Maurits Jaeger
- Georg Friedrich Jaeger
- Otto Jaekel
- Jagannātha
- Thomas Augustus Jaggar
- Abū ʿUthmān ʿAmr ibn Baḥr al-Jāḥiẓ
- Hans Max Jahn
- James of Venice
- William James
- Robert Jameson
- Zygmunt Janiszewski
- Zacharias Jansen
- Pierre Jules César Janssen
- Antoine Gabriel Jars
- al-ʿAbbās ibn Saʿīd al-Jawharī
- Jayasiṃha
- Abū ʿAbd Allāh Muḥammad ibn Muʿādh al-Jayyānī
- Abu-l-ʿizz Ismāʿīl ibn al-Razzāz al-Jazarīʿ
- James Hopwood Jeans
- Edme-Sébastien Jeaurat
- Thomas Jefferson
- Edward Charles Jeffrey
- John Gwyn Jeffreys
- Zay Jeffries
- Henry Charles Fleeming Jenkin
- John Wilfred Jenkinson
- Edward Jenner
- Herbert Spencer Jennings
- Carl Oluf Jensen
- Johan Ludvig William Valdemar Jensen
- Glen Lowell Jepsen
- Willis Linn Jepson
- George Birch Jerrard
- William Stanley Jevons
- Frank Baldwin Jewett
- Ferdinand Joachimsthal
- Louis Joblot
- Johannes Lauratius de Fundis
- Albert Johannsen
- Wilhelm Ludvig Johannsen
- John of Dumbleton
- John of Gmunden
- Johannes de John of Lignères
- John of Murs
- John of Palermo
- John of Saxony
- John of Sicily
- John Philoponus
- John Simonis of Selandia
- Douglas Wilson Johnson
- Manuel John Johnson
- Thomas Johnson
- Willard Drake Johnson
- William Johnson
- William Ernest Johnson
- Frédéric Joliot
- Irène Joliot-Curie
- Philipp Johann Gustav von Jolly
- John Joly
- Harry Clary Jones
- Walter Jennings Jones
- William Jones
- Ernest Jean Philippe Fauque de Jonquières
- John Jonston
- Camille Jordan
- Claude Jordan
- David Starr Jordan
- Edwin Oakes Jordan
- Ernst Pascual Jordan
- Heinrich Ernst Jordan
- Jordanus de Nemore
- Sophus Mads Jørgensen
- James Prescott Joule
- Jorge Juan y Santacilla
- Chancey Juday
- Sophus Christian Juel
- Joseph Beete Jukes
- Percy Lavon Julian
- Willem Henri Julius
- Sulaymān ibn Ḥasan ibn Juljul
- Johann Juncker
- Carl Gustav Jung
- Joachim Jungius
- Adrien Henri Laurent de Jussieu
- Antoine de Jussieu
- Antoine-Laurent de Jussieu
- Bernard de Jussieu
- Joseph de Jussieu
- Johann Heinrich Gottlob von Justi
?
- Ivan Alexsevich Kablukov
- Engelbert Kaempfer
- Abraham Gotthelf Kaestner
- Benjamin Fedorovich Kagan
- Louis Albrecht Kahlenberg
- Frederik Kaiser
- Pehr Kalm
- László Kalmár
- Theodor Franz Eduard Kaluza
- Kamāl al-Dīn Abu'l Ḥasan Muḥammad ibn al-Ḥasan al-Fārisī
- Kamalākara
- Heike Kamerlingh Onnes
- Kanaka
- Robert John Kane
- Immanuel Kant
- Jacobus Cornelius Kapteyn
- Abū Bakr ibn Muḥammad ibn al Ḥusayn al-Karajī
- Valentin Alekseevich Kargin
- Theodore von Kármán
- Georgii Dmitrievich Karpechenko
- Louis Charles Karpinski
- Alexandr Petrovich Karpinsky
- Paul Karrer
- Karl Johann Bernhard Karsten
- Ghiyāth al-Dīn Jamshīd Masʾūd al-Kāshī
- Henry Kater
- Walter Kaufmann
- Vladimir Vladimirovich Kavraysky
- George Frederick Kay
- Marshall Kay
- Heinrich Johannes Gustav Kayser
- Bartholomew Keckermann
- James Edward Keeler
- Willem Hendrik Keesom
- David Keilin
- James Keill
- John Keill
- James Keir
- Arthur Keith
- August Kekule von Stradonitz
- David Kellner
- Albert Kellogg
- Vernon Lyman Kellogg
- Raymond Alexander Kelser
- Edward Calvin Kendall
- Alexander Blackie William Kennedy
- Arthur Edwin Kennelly
- Johannes Kepler
- Béla Kerékjártó
- John Kerr
- John Graham Kerr
- Keśava
- Charles Franklin Kettering
- Henry Bernard Davis Kettlewell
- John Maynard Keynes
- Alexandr Andreevich Keyserling
- Khaldūn Ibn
- Shams al-Dīn Abū ʿAbdallāh Muḥammad ibn Muḥammad al-Khalīlī
- Morris Selig Kharasch
- Ghiyāth al-Dīn Abu'l-Fath ʿUmar ibn Ibrāhīm al-Nīsā-Būrī al-Khayyāmī
- Abū Jaʿfar Muhammad ibn al-Ḥasan al-Khurāsānī al-Khāzin
- Abu'l-Fatḥ ʿAbd al-Raḥmān al-Khāzinī
- Aleksandr Yakovlevich Khinchin
- Rem Victorovich Khokhlov
- Abū Maḥmūd Ḥāmid ibn al-Khiḍr al-Khujandī
- Conrad Khunrath
- Heinrich Khunrath
- Abu' L-Qāsim ʿUbayd AllāhʿAbd Allāh ibn Khurradādhbih
- Abū ʿAbd Allāh Muḥammad ibn Aḥmad ibn Yūsuf al-Khuwārizmī
- Abū Jaʿfar Muḥammad ibn Mūsā al-Khwārizmī
- John Kidd
- Carl Friedrich Kielmeyer
- Hisashi Kimura
- Abū Yūsuf Yaʿqūb ibn Isḥāq al-Ṣabbāḥ al-Kindī
- Clarence Rivers King
- Harold King
- Helen Dean King
- William Bernard Robinson King
- Ebenezer Kinnersley
- Frederick Stanley Kipping
- Athanasius Kircher
- Konstantin Sigizmundovich Kirchhof
- Gustav Robert Kirchhoff
- David Kirkaldy
- Thomas Penyngton Kirkman
- Daniel Kirkwood
- John Gamble Kirkwood
- Richard Kirwan
- Pál Kitaibel
- Shibasaburo Kitasato
- Johann Gustav Christoffer Kjeldahl
- Martin Heinrich Klaproth
- Georg Albrecht Klebs
- Christian Felix Klein
- Hermann Joseph Klein
- Jacob Theodor Klein
- Oskar Benjamin Klein
- Nicolaus Kleinenberg
- Ewald Georg von Kleist
- Ernst Klenk
- Samuel Klingenstierna
- Georg Simon Klügel
- Albert Jan Kluyver
- Adolf Kneser
- Samuel Howell Knight
- Thomas Andrew Knight
- Nikolai Mikhailovich Knipovich
- Adolph Knopf
- Konrad Knopp
- Georg Wolfgang Knorr
- Ludwig Knorr
- Cargill Gilston Knott
- Robert Knox
- Martin Hans Christian Knudsen
- Vern Oliver Knudsen
- Paul Erich Otto Wilhelm Knuth
- Heinrich Hermann Robert Koch
- Helge von Koch
- Nikolai Yevgrafovich Kochin
- Paul Koebe
- Rudolf Albert von Koelliker
- Joseph Gottlieb Koelreuter
- Johann Samuel Koenig
- Julius Koenig
- Karl Rudolph Koenig
- Gabriel Koenigs
- Charles Atwood Kofoid
- Friedrich Wilhelm Georg Kohlrausch
- Rudolph Herrmann Arndt Kohlrausch
- Adolf Wilhelm Hermann Kolbe
- Gury Vasilievich Kolosov
- Nikolai Konstantinovich Koltzoff
- Ivan Lavrentievich Kondakov
- Laurent-Guillaume de Koninck
- Miklós von Konkoly Thege
- Dmitry Petrovich Konovalov
- Hermann Kopp
- Sergey Pavlovich Korolev
- Diederik Johannes Korteweg
- Karl Martin Leonhard Albrecht Kossel
- Walther Kossel
- Stanisław Kostanecki
- Sergey Konstantinovich Kostinsky
- Aleksandr Petrovich Kotelnikov
- Bunjiro Kotō
- Aleksandr Onufrievich Kovalevsky
- Sonya Kovalevsky
- Vladimir Onufrievich Kovalevsky
- Marian Albertovich Kovalsky
- Lew Kowarski
- Alexandre Koyré
- Jens Kraft
- Hendrik Anthony Kramers
- Chrétien Kramp
- Stepan Petrovich Krasheninnikov
- Andrey Nikolaevich Krasnov
- Theodosy Nicolaevich Krasovsky
- Charles August Kraus
- Ernst Ludwig Krause
- Torichan Pavlovich Kravets
- Cornelis Rudolphus Theodorus Krayenhoff
- Hans Adolf Krebs
- Schack August Steenberg Krogh
- Hugo Kronecker
- Leopold Kronecker
- Petr Alekseevich Kropotkin
- Kṛṣṇa
- Aleksandr Aleksandrovich Kruber
- Wolfgang Krull
- August Karl Krönig
- Iurii Aleksandrovich Krutkov
- Aleksei Nikolaevich Krylov
- Nikolai Mitrofanovich Krylov
- Jacob Kübel
- Johannes Petrus Kuenen
- Philip Henry Kuenen
- August Karl Johann Valentin Köhler
- Wolfgang Köhler
- Alfred Kühn
- Othmar Kühn
- Richard Kuhn
- Werner Kuhn
- Wilhelm Friedrich Kühne
- Ernst Eduard Kummer
- Johann Kunckel
- August Adolph Kundt
- Arthur Künig
- Emanuel König
- Leo Königsberger
- Moses Kunitz
- Hisashi Kuno
- Carl Sigismund Kunth
- Carl Ernst Otto Kuntze
- Kazimierz Kuratowski
- Igor Vasilievich Kurchatov
- Ferdinand Kurlbaum
- Nikolai Semyonovich Kurnakov
- József Kürschák
- Abu' L-Ḥasan al-Jīlī Kushyār ibn Labbān ibn Bāshahrī
- Friedrich Traugott Kützing
- Johann Harald Kylin
?
- Guy de La Brosse
- Charles-Marie de La Condamine
- Charles de La Faille
- Gabriel-Philippe de La Hire
- Philippe de La Hire
- Julien Offray de La Mettrie
- Arthur-Auguste de La Rive
- Charles-Gaspard de La Rive
- Estienne de La Roche
- Nicolas-Louis de Lacaille
- Félix-Joseph Henri de Lacaze-Duthiers
- Bernard-Germain-Étienne De La Ville-Sur-Illon Lacépède
- David Lambert Lack
- Alfred Lacroix
- Sylvestre François Lacroix
- Albert Ladenburg
- Rudolf Walther Ladenburg
- Théophile-René-Hyacinthe Laennec
- Thomas Fantet de Lagny
- Joseph Louis Lagrange
- Edmond Nicolas Laguerre
- Joseph-Jérôme Lefrançais de Lalande
- Lalla
- Antoine de Lalouvère
- Jean-Baptiste-Pierre-Antoine De Monet de Lamarck
- Horace Lamb
- Johann Heinrich Lambert
- Gabriel Lamé
- Jean-Claude de Lamétherie
- Johann von Lamont
- Jean Vincent Félix Lamouroux
- Bernard Lamy
- Guillaume Lamy
- Rebecca Craighill Lancefield
- Frederick William Lanchester
- Giovanni Maria Lancisi
- Michel Ange Lancret
- Edmund Landau
- Lev Davidovich Landau
- John Landen
- Hans Heinrich Landolt
- Marsilio Landriani
- Georg Landsberg
- Grigory Samuilovich Landsberg
- Karl Landsteiner
- Alfred Church Lane
- Jonathan Homer Lane
- Arnold Lang
- Karl Nikolaus Lang
- William Henry Lang
- Carl Georg Lange
- Paul Langerhans
- Paul Langevin
- John Newport Langley
- Samuel Pierpont Langley
- Claude Langlois
- Irving Langmuir
- Michael Florent van Langren
- Edwin Ray Lankester
- Philip van Lansberge
- Louis Lapicque
- Pierre-Simon Marquis de Laplace
- Albert-Auguste Cochon de Lapparent
- Arthur Lapworth
- Charles Lapworth
- Bernardino Larghi
- Karl Lark-Horovitz
- Joseph Larmor
- Esper Signius Larsen
- Édouard Amant Isidore Hippolyte Lartet
- Louis Lartet
- Karl Spencer Lashley
- William Lassell
- Lāṭadeva
- Wendell Mitchell Latimer
- Pierre-André Latreille
- Hans Emil Lau
- Jakob Johann Laub
- Max von Laue
- André du Laurens
- Auguste Laurent
- Matthieu Paul Hermann Laurent
- Pierre Alphonse Laurent
- Aimé Laussedat
- João Baptista Lavanha
- Charles-Louis-Alphonse Laveran
- Fritz H. Laves
- Antoine-Laurent Lavoisier
- Boris Innokentievich Lavrentiev
- John Bennet Lawes
- Ernest Orlando Lawrence
- William Lawrence
- Andrew Cowper Lawson
- Gaspar Lax
- Mikhail Petrovich Lazarev
- Petr Petrovich Lazarev
- Joseph Achille Le Bel
- Max Julius Louis Le Blanc
- Claude-Nicolas Le Cat
- Henry Louis Le Châtelier
- Félix Le Dantec
- Anatole Félix Le Double
- Nicaise Le Febvre
- Jean Le Fèvre
- Guillaume-Joseph-Hyacinthe-Jean-Baptiste Le Gentil de la Galaisière
- Louis-Guillaume Le Monnier
- Pierre-Charles Le Monnier
- Constantin Le Paige
- Jacques-François Le Poivre
- Charles Le Roy
- Édouard Le Roy
- Jean-Baptiste Le Roy
- Jacques-Alexandre Le Tenneur
- Urbain-Jean-Joseph Le Verrier
- Isaac Lea
- Louis Seymour Bazett Leakey
- Henrietta Swan Leavitt
- Aleksandr Nikolaevich Lebedev
- Petr Nikolaevich Lebedev
- Sergei Vasilievich Lebedev
- Vyacheslav Vasilievich Lebedinsky
- Henri Léon Lebesgue
- Nicolas Leblanc
- Charles de L'Écluse
- John Leconte
- Joseph Leconte
- Léon François Alfred Lecornu
- Antoni van Leeuwenhoek
- Solomon Lefschetz
- Julien Jean César Legallois
- Adrien-Marie Legendre
- Urbain-Louis-Eugène Léger
- Jean-Pierre Lehman
- Johann Gottlob Lehmann
- Otto Lehmann
- Gottfried Wilhelm Leibniz
- Joseph Leidy
- Aleksandr Il'ich Leipunskii
- Jacques Lemaire
- Georges Lemaître
- Louis Lemery
- Nicolas Lemery
- Émile Michel Hyacinthe Lemoine
- Philipp Lenard
- Vladimir Ilyich Lenin
- John Edward Lennard-Jones
- Emil Khristianovich Lenz
- Leo
- Leo the African
- Leo the Mathematician
- Leodamas of Thasos
- Leonardo da Vinci
- Karl Cäsar von Leonhard
- Johann Gottfried Leonhardi
- Nicolò Leoniceno
- Ivan Ivanovich Lepekhin
- Mathias Lerch
- Dominique-Auguste Lereboullet
- George-Louis Lesage
- J. Peter Lesley
- John Leslie
- Stanislaw Leśniewski
- Leo Lesquereux
- René-Primevère Lesson
- Charles-Alexandre Lesueur
- Leucippus
- Karl Georg Friedrich Rudolf Leuckart
- Jean Leurechon
- François Leuret
- Constantin Levaditi
- François Levaillant
- Phoebus Aaron Theodor Levene
- Frank Leverett
- Levi Ben Gerson
- Giuseppe Levi
- Tullio Levi-Civita
- Norman Levinson
- Franz Yulevich Levinson-Lessing
- Solomon Grigorevich Levit
- Grigorii Andreevich Levitskii
- Maurice Lévy
- Serve-Dieu Abailard Lévy
- Gilbert Newton Lewis
- Thomas Lewis
- Timothy Richards Lewis
- William Lewis
- Anders Johan Lexell
- Leonid Samuilovich Leybenzon
- Franz von Leydig
- Charles Louis L'Héritier de Brutelle
- Guillaume-François-Antoine de L'Hospital
- Simon-Antoine-Jean L'Huillier
- Edward Lhwyd
- Li Chih
- hao P'in-hu Li Shih-Chen
- Li Siguang
- Andreas Libavius
- Eduardo Liceaga
- Georg Christoph Lichtenberg
- Marius Sophus Lie
- Johannes Nathanael Lieberkühn
- Carl Theodore Liebermann
- Justus von Liebig
- Joseph Xaver Liesganig
- Joseph Lieutaud
- Il'ia Mikhailovich Lifshits
- Élie Antoine Octave Lignier
- Frank Rattray Lillie
- Thomas Linacre
- James Lind
- Bertil Lindblad
- Carl von Linde
- Ernst Leonhard Lindelöf
- Carl Louis Ferdinand Lindemann
- Frederick Alexander Lindemann
- Bernhard August von Lindenau
- Kaj Ulrik Linderstrøm-Lang
- Waldemar Lindgren
- John Lindley
- Heinrich Friedrich Link
- Carl Linnaeus
- Iurii Vladimirovich Linnik
- Joseph Liouville
- Gabriel Jonas Lippmann
- Rudolf Otto Sigismund Lipschitz
- João de Lisboa
- Jules Antoine Lissajous
- Joseph Lister
- Joseph Jackson Lister
- Martin Lister
- Fyodor Petrovich Litke
- Clarence Cook Little
- John Edensor Littlewood
- Liu Hui
- Burton Edward Livingston
- Humphrey Lloyd
- John Uri Lloyd
- Nikolai Ivanovich Lobachevsky
- Mathias de L'Obel
- John Locke
- Joseph Norman Lockyer
- Oliver Joseph Lodge
- Jacques Loeb
- Leo Loeb
- Friedrich August Johannes Loeffler
- Otto Loewi
- Charles Loewner
- Alfred Loewy
- James Logan
- William Edmond Logan
- Marie Joseph Maximin Lohest
- Wilhelm Oswald Lohse
- Vladimir Mikhaylovich Lokhtin
- Mikhail Vasilievich Lomonosov
- Fritz London
- Heinz London
- Cyril Norman Hugh Long
- Adam Lonicerus
- Dame Kathleen Yardley Lonsdale
- William Lonsdale
- Elias Loomis
- Hendrik Antoon Lorentz
- Hans Lorenz
- Ludwig Valentin Lorenz
- Richard Lorenz
- Giuseppe Lorenzoni
- Gino Loria
- Anne Charles Lorry
- Johann Joseph Loschmidt
- Karl August Lossen
- Alfred James Lotka
- Jan Paulus Lotsy
- Hermann Rudolph Lotze
- Augustus Edward Hough Love
- Arthur Oncken Lovejoy
- John Harvey Lovell
- Sven Lovén
- Johann Tobias Lovits
- Percival Lowell
- Richard Lower
- John William Lubbock
- Richard Lubbock
- Sir John Lubbock
- François-Édouard-Anatole Lucas
- Keith Lucas
- Luigi Luciani
- Lucretius
- F. W. Hans Ludendorff
- Carl Friedrich Wilhelm Ludwig
- Jakob Lueroth
- Maurice Lugeon
- Vladimir Fedorovich Luginin
- Georg Engelhardt von Löhneyss
- Jan Łukasiewicz
- Peter Ivanovich Lukirskii
- Ramon Lull
- Otto Richard Lummer
- Emerico Luna
- Georg Lunge
- Amatus Lusitanus
- Graham Lusk
- Alessandro Lustig
- C. Robert Luther
- Leopold Löwenheim
- Nikolai Nikolaievich Luzin
- Aleksandr Mikhailovich Lyapunov
- Charles Lyell
- Benjamin Smith Lyman
- Chester Smith Lyman
- Theodore Lyman
- Pierre Lyonet
- Bernard Lyot
- Trofim Denisovich Lysenko
?
- Adriaan van Maanen
- Archibald Byron Macallum
- Robert Helmer MacArthur
- Francis Sowerby Macaulay
- David Macbride
- Ernest William MacBride
- James MacCullagh
- John MacCulloch
- Ernst Mach
- Felix Karl Ludwig Machatschki
- Michel Macheboeuf
- Colin Maclaurin
- John Maclean
- Thomas Maclear
- Colin Munro MacLeod
- John James Rickard Macleod
- William Maclure
- Percy Alexander MacMahon
- William Duncan Macmillan
- Pierre Joseph Macquer
- Ambrosius Theodosius Macrobius
- Johann Heinrich Mädler
- Lorenzo Magalotti
- Cesare Magati
- Jean-Hyacinthe de Magellan
- François Magendie
- Bartolomeo Maggi
- Giovanni Antonio Magini
- Raffaello Magiotti
- Johann Chrysostom Magnenus
- Valeriano Magni
- Leonty Filippovich Magnitsky
- Pierre Magnol
- Heinrich Gustav Magnus
- Rudolf Magnus
- Adolf Magnus-Levy
- Mahādeva
- Abū ʿAbd Allāh Muḥammad ibn ʿĪsā al-Māhānī
- Mahāvīra
- Mahendra Sūri
- Michael Maier
- Albert Maige
- Emanuel Maignan
- Benoît de Maillet
- Rabbi Moses Ben Maimon Maimonides
- John Maior
- Jean Jacques D'Ortous de Mairan
- René-Charles-Joseph-Ernest Maire
- Shihāb al-Dīn Aḥmad ibn Mājid ibn Mājid
- Ettore Majorana
- Abu'l-Qāsim Maslama ibn Aḥmad al-Faraḍī al-Majrītī
- Abu'l-Ḥasan ʿAlī ibn ʿAbbās al-Majūsī
- Makaranda
- Stepan Osipovich Makarov
- Nikolay Aleksandrovich Maksimov
- Dmitry Dmitrievich Maksutov
- Nicolas Malebranche
- Chrétien-Guillaume de La-Moignon de Malesherbes
- Gian Francesco Malfatti
- Franklin Paine Mall
- Ernest Mallard
- Robert Mallet
- Paul-Jacques Malouin
- Marcello Malpighi
- Thomas Robert Malthus
- Anatoly Ivanovich Maltsev
- Étienne Louis Malus
- Giovanni Manardo
- Leonid Isaakovich Mandelshtam
- Eustachio Manfredi
- Louis Alexandre Mangin
- Marcus Manilius
- Victor Mayer Amédée Mannheim
- Paul Mansion
- Patrick Manson
- Abū Naṣr Manṣūr ibn ʿAlī ibn ʿIrāq
- Paolo Mantegazza
- Gideon Algernon Mantell
- Shams al-Dīn Abū ʿAbdallāh Muḥammad ibn Aḥmad ibn Abī Bakr al-Bannāʾ al-Shāmī al-Maqdisī al-Bashshārī al-Maqdisī
- Giacomo Filippo Maraldi
- Richard Felix Marchand
- Jean Marchant
- Vittorio Marchi
- Ettore Marchiafava
- Leon Paweł Teodor Marchlewski
- Johannes Marcus Marci of Kronland
- Guglielmo Marconi
- Jules Marcou
- Étienne-Jules Marey
- Emmanuel Marie Pierre Martin Jacquin de Margerie
- Andreas Sigismund Marggraf
- Max Margules
- Pierre Marie
- Jean Charles Galissard de Marignac
- Marinus
- Antoine Fortuné Marion
- Edme Mariotte
- Georg Markgraf
- Clements Robert Markham
- Andrei Andreevich Markov
- Vladimir Vasilevich Markovnikov
- Giovanni Marliani
- John Richardson Marrack
- Ernest Marsden
- Othniel Charles Marsh
- Luigi Ferdinando Marsili
- Marsilius of Inghen de
- Adolf Martens
- Antonio de Martí Franqués
- Martianus Capella
- Benjamin Martin
- Charles James Martin
- Henry Newell Martin
- Rudolf Martin
- Crisóstomo Martínez
- Francesco di Giorgio di Martini
- Ignác Martinovics
- Karl Friedrich Philipp von Martius
- Emmanuel-Louis-Eugène de Martonne
- David Forbes Martyn
- Martin van Marum
- Carl Shipp Marvel
- Karl Marx
- Paolo Mascagni
- Éleuthère Élie Nicolas Mascart
- Lorenzo Mascheroni
- Francis Maseres
- Māshāʾallāh
- Nevil Maskelyne
- Charles Mason
- Niccolo Massa
- Antoine-Philibert Masson
- Samuel Ottmar Mast
- Michael Mästlin
- Abuʾul-ḤasanʿAlī ibn al-Ḥusayn ibn ʿAlī al-Masʿūdī
- Kirtley Fletcher Mather
- William Williams Mather
- George Ballard Mathews
- Émile Léonard Mathieu
- Mathurānātha Śarman
- Louis Matruchot
- Carlo Matteucci
- Augustus Matthiessen
- Pietro Andrea Gregorio Mattioli
- Motonori Matuyama
- Charles Victor Mauguin
- Edward Walter Maunder
- François Émile Maupas
- Pierre Louis Moreau de Maupertuis
- Julius Maximilian Maurer
- Fra Mauro
- Francesco Maurolico
- Antonia Caetana de Paiva Pereira Maury
- Matthew Fontaine Maury
- Sir Douglas Mawson
- James Clerk Maxwell
- Alfred Marshall Mayer
- Christian Mayer
- Christian Gustav Adolph Mayer
- Johann Tobias Mayer
- Julius Robert Mayer
- Maria Goeppert Mayer
- Karl Mayer-Eymar
- Herbert Mayo
- John Mayow
- Simon Mayr
- Stefan Mazurkiewicz
- Waldo Lee McAtee
- Clarence Erwin McClung
- Hugh McColl
- Elmer Verner McCollum
- William Carmichael McIntosh
- John Cunningham McLennan
- Pierre-François-André Méchain
- Johann Friedrich Meckel
- Friedrich Casimir Medicus
- Pedro de Medina
- Fielding Bradford Meek
- William Frederick Meggers
- Robert Franklin Mehl
- Oscar Edward Meinzer
- Georg Meissner
- Walther Meissner
- Lise Meitner
- Raphael Meldola
- Edward Mellanby
- Francisco de Mello
- Macedonio Melloni
- Samuel James Meltzer
- Thomas Melvill
- Luigi Federico Menabrea
- Menaechmus
- Johann Gregor Mendel
- Lafayette Benedict Mendel
- Dmitry Ivanovich Mendeleev
- Egidio Meneghetti
- Menelaus of Alexandria
- Vincenzo Antonio Menghini
- Pietro Mengoli
- Nikolay Aleksandrovich Menshutkin
- Jean Jacques Menuret de Chambaud
- Hugues Charles Robert Méray
- Michele Mercati
- Gerardus Mercator
- Nicolaus Mercator
- Paul Dyer Merica
- Christopher Merrett
- Clinton Hart Merriam
- John Campbell Merriam
- Elmer Drew Merrill
- George Perkins Merrill
- Marin Mersenne
- Jean Méry
- Ivan Vsevolodovich Meshchersky
- Franz Anton Mesmer
- Félix Mesnil
- Charles Messier
- Ivan Illarionovich Mesyatsev
- Elie Metchnikoff
- Adriaen Metius
- Meton
- Georg Heinrich Mettenius
- Hélène Metzger
- Jean-Baptiste-Marie-Charles Meusnier de la Place
- Franz Julius Ferdinand Meyen
- Christian Erich Hermann von Meyer
- Johann Friedrich Meyer
- Julius Lothar Meyer
- Kurt Heinrich Meyer
- Victor Meyer
- Wilhelm Franz Meyer
- Otto Meyerhof
- Émile Meyerson
- Michael Scot
- Arthur Michael
- Leonor Michaelis
- Peter Michaelis
- André Michaux
- Pier Antonio Micheli
- Famiano Michelini
- John Michell
- Auguste Michel-Lévy
- Albert Abraham Michelson
- Ivan Vladimirovich Michurin
- Aleksandr Fedorovich Middendorf
- Thomas Midgley
- Gustav Mie
- Aldo Mieli
- Henry Alexander Miers
- Johann Friedrich Miescher
- Mikhail Nikolaevich Miklukho-Maklay
- Gaston Milhaud
- John Stuart Mill
- Dayton Clarence Miller
- George Abram Miller
- Hugh Miller
- Philip Miller
- William Allen Miller
- William Hallowes Miller
- William Lash Miller
- Robert Andrews Millikan
- Thomas Millington
- Auguste-Nicolas-Eugène Millon
- William Hobson Mills
- Edward Arthur Milne
- John Milne
- Henri Milne-Edwards
- Ernst Ferdinand Adolf Minding
- Henri Mineur
- Hermann Minkowski
- Oskar Minkowski
- Marcel Gilles Jozef Minnaert
- Charles Sedgwick Minot
- George Richards Minot
- Friedrich Anton Wilhelm Miquel
- Charles François Brisseau de Mirbel
- Alfred Ezra Mirsky
- Richard von Mises
- Elisha Mitchell
- Maria Mitchell
- Silas Weir Mitchell
- Eilhard Mitscherlich
- Magnus Gustaf Mittag-Leffler
- Alwin Mittasch
- St. George Jackson Mivart
- José Mariano Mociño
- Conrad Moench
- William of Moerbeke
- William Of Guillelmus de Moerbeke
- Thomas Moffett
- Hugo von Mohl
- Henrik Mohn
- Andrija Mohorovičić
- Carl Friedrich Mohr
- Christian Otto Mohr
- Georg Mohr
- Friedrich Mohs
- Nikolay Dmitrievich Moiseev
- Ferdinand-Frédéric-Henri Moissan
- Abraham de Moivre
- Johann Jacob Paul Moldenhawer
- Jacob Moleschott
- Fedor Eduardovich Molin
- Juan Ignacio Molina
- Friedrich Rudolf Heinrich Carl Moll
- Gerard Moll
- Marin Molliard
- Richard Mollier
- Karl Brandan Mollweide
- Samuel Molyneux
- William Molyneux
- Nicolás Bautista Monardes
- Ludwig Mond
- Mondino de'Luzzi
- Gaspard Monge
- Antoine-Grimoald Monnet
- Jacques-Lucien Monod
- Alexander Monro
- Alexander (1697–1767) Monro
- Alexander (1733–1817) Monro
- Geminiano Montanari
- Guidobaldo Monte
- Paul Montel
- Gustav Oscar Montelius
- Charles-Louis de Secondat Montesquieu
- Jacques-Philippe Mérigon de Montgéry
- Étienne Jacques de Montgolfier
- Edmund Duncan Montgomery
- Thomas Harrison Montgomery
- Henri Louis Habert de Montmor
- Pierre Rémond de Montmort
- Jean Étienne Montucla
- Eliakim Hastings Moore
- Joseph Haines Moore
- Raymond Cecil Moore
- Robert Lee Moore
- William Moore
- Jean-Pierre Morat
- Sir Robert Moray
- Louis Joel Mordell
- Henry More
- Léon Moret
- Giovanni Battista Morgagni
- Conwy Lloyd Morgan
- Herbert Rollo Morgan
- Thomas Hunt Morgan
- Domenico Lino Morichini
- Jean-Baptiste Morin
- Robert Morison
- Samuel Morland
- Edward Williams Morley
- Antonio-Lazzaro Moro
- Georgy Fedorovich Morozov
- Edward Sylvester Morse
- Jedidiah Morse
- Louis-Laurent Gabriel de Mortillet
- John Morton
- Samuel George Morton
- Carl Gustaf Mosander
- Henry Gwyn Jeffreys Moseley
- William Lorenzo Moss
- Angelo Mosso
- Ottaviano Fabrizio Mossotti
- Andrzej Mostowski
- James Cecil Mottram
- Ernest Barthélémy Mouchez
- Ruth Moufang
- Forest Ray Moulton
- Théodore Florentin Moutard
- Gabriel Mouton
- August Ferdinand Möbius
- Karl August Möbius
- Muḥyi 'L-Dīn al-maghribī
- Matthew Moncrieff Pattison Muir
- Gerardus Johannes Mulder
- Didrik Magnus Axel Möller
- Franz Müller
- Fritz Müller
- Georg Elias Müller
- Gustav Müller
- Hermann Joseph Muller
- Johann Müller
- Johannes Peter Müller
- Otto Frederik Müller
- Paul Müller
- Heinrich Müller-Breslau
- Georg Wilhelm Muncke
- Ernest Charles Philippe Auguste Munier-Chalmas
- Munīśvara Viśvarūpa
- Muñjāla
- Sebastian Münster
- Johannes von Muralt
- Roderick Impey Murchison
- James Bumgardner Murphy
- George Robert Milne Murray
- John Murray
- David Mushet
- Ivan Vasilievich Mushketov
- Petrus van Musschenbroek
- José Celestino Bruno Mutis y Bossio
- Claude Mydorge
- Claude Mylon
?
- Carl Wilhelm von Naegeli
- ʿAlāʾ al-Dīn Abu 'L-Ḥasan ʿAlī ibn Abi ʾL-Ḥazm al-Qurashī ibn al-Nafīs
- Hantaro Nagaoka
- Nāgeśa
- Mark Aronovich Naimark
- Edward Nairne
- Sergey Semenovich Nametkin
- Fridtjof Nansen
- John Napier
- Nārāyaṇa
- ʿAlī ibn Aḥmad al-Nasawī
- James Nasmyth
- Władysław Natanson
- Alfred Gabriel Nathorst
- Giulio Natta
- Charles Naudin
- Alexander Naumann
- Karl Friedrich Naumann
- Sergey Gavrilovich Navashin
- Claude-Louis-Marie-Henri Navier
- Abu'l-ʿAbbās al-Faḍl ibn Ḥātim al-Nayrīzī
- Michael Neander
- Louis-Albert Necker
- John Turberville Needham
- Christian Gottfried Nees von Esenbeck
- John Ulric Nef
- Adelchi Negri
- Alfred Nehring
- Albert Ludwig Sigesmund Neisser
- Aleksandr Ivanovich Nekrasov
- Nemesius
- Marceli Nencki
- Antonio Neri
- Hermann Walther Nernst
- Eugen Netto
- Otto Neubauer
- Joseph Neuberg
- Carl Gottfried Neumann
- Caspar Neumann
- Franz Ernst Neumann
- Melchior Neumayr
- Grigory Nikolaevich Neuymin
- Rolf Herman Nevanlinna
- Hugh Frank Newall
- John Strong Newberry
- Simon Newcomb
- Thomas Newcomen
- John Alexander Reina Newlands
- Horatio Hackett Newman
- George Newport
- Edwin Tulley Newton
- Hubert Anson Newton
- Isaac Newton
- Jerzy Neyman
- Jean-François Niceron
- John Spangler Nicholas
- Ernest Fox Nichols
- John William Nicholson
- Seth Barnes Nicholson
- William Nicholson
- William Nicol
- Friedrich Bernhard Gottfried Nicolai
- Nicolaus of Damascus
- Charles Jules Henri Nicolle
- Nicomachus of Gerasa
- Nicomedes
- Jean Nicot
- Carsten Niebuhr
- Niels Nielsen
- Joseph Niepce
- Jean Louis Nicolas Niesten
- Willem Nieuwenkamp
- Bernard Nieuwentijt
- Julius Arthur Nieuwland
- Agostino Nifo
- Paul Niggli
- Sergey Nikolaevich Nikitin
- Viktor Arsenievich Nikolaev
- Nīlakaṇṭha
- Herman Nilsson-Ehle
- Yoshio Nishina
- Franz Nissl
- Alfred Bernhard Nobel
- Friedrich Adolph Nobert
- Leopoldo Nobili
- Gladwyn Kingsley Noble
- Walter Noddack
- Étienne Noël
- Amalie Emmy Noether
- Max Noether
- Hideyo Noguchi
- Jean-Antoine Nollet
- Adolf Erik Nordenskiöld
- Nils Erik Nordenskiöld
- Robert Norman
- John Pitkin Norton
- Richard Norwood
- Michael de Nostradamus
- Domenico Maria Novara
- Petr Sergeevich Novikov
- Frederick George Novy
- Arthur Amos Noyes
- William Albert Noyes
- Boris Vasilievich Numerov
- Pedro Nuñez Salaciense
- Ernst Kraft Wilhelm Nusselt
- Thomas Nuttall
- Fredrik Nylander
- William Nylander
?
- Vladimir Afanasievich Obruchev
- Philbert Maurice d'Ocagne
- Carl Ochsenius
- William of Ockham
- Ruggero Oddi
- Gioanbatista Odierna
- William Odling
- Oenopides of Chios
- Hans Christian Oersted
- Georg Simon Ohm
- Lorenz Oken
- Olaus Magnus
- Heinrich Wilhelm Matthias Olbers
- Henry Oldenburg
- Richard Dixon Oldham
- Thomas Oldham
- George Oliver
- Karol Stanisław Olszewski
- Christian Friis Rottbøll Olufsen
- Olympiodorus
- Jean Baptiste Julien d'Omalius d'Halloy
- Fusakichi Omori
- Lars Onsager
- Aleksandr Ivanovich Oparin
- Albert Oppel
- Samuel Oppenheim
- J. Robert Oppenheimer
- Theodor Ritter von Oppolzer
- Leon Abgarovich Orbeli
- Alcide Charles Victor Dessalines d'Orbigny
- Jean Orcel
- Nicole Oresme
- Oribasius
- Aleksandr Yakovlevich Orlov
- Sergey Vladimirovich Orlov
- Yuri Aleksandrovich Orlov
- Leonard Salomon Ornstein
- Garcia d'Orta
- Juan de Ortega
- Abraham Ortelius
- James Orton
- Henry Fairfield Osborn
- Thomas Burr Osborne
- William Fogg Osgood
- Andreas Osiander
- Floris Osmond
- Winthrop John Vanleuven Osterhout
- Mikhail Vasilievich Ostrogradsky
- Carl Wilhelm Wolfgang Ostwald
- Friedrich Wilhelm Ostwald
- Isaac Ott
- Corneille Antoine Jean Abram Oudemans
- William Oughtred
- Réginald Outhier
- Charles Ernest Overton
- David Dale Owen
- George Owen
- Richard Owen
- Jacques Ozanam
- Aleksandr Dmitrievich Ozersky
?
- Antonio Pacchioni
- Filippo Pacini
- Antonio Pacinotti
- Luca Pacioli
- Alpheus Spring Packard
- Alessandro Padoa
- Giuseppe Pagano
- Paul Painlevé
- Theophilus Shickel Painter
- William Paley
- Johann Palisa
- Bernard Palissy
- Aleksandr Vladimirovich Palladin
- Vladimir Ivanovich Palladin
- Pyotr Simon Pallas
- Edward Palmer
- François Marie Guyonneau de Pambour
- Christian Heinrich Pander
- Friedrich Adolf Paneth
- Antonie Pannekoek
- Nikolai Dmitrievich Papaleksi
- George Nicholas Papanicolaou
- Denis Papin
- Pappus of Alexandria
- Theophrastus Philippus Aureolus Bombastus von Hohenheim Paracelsus
- Parameśvara
- Ignace Gaston Pardies
- Ambroise Paré
- Pavel Petrovich Parenago
- Antoine Parent
- John Adelbert Parkhurst
- James Parkinson
- Sydney Parkinson
- Parmenides of Elea
- Antoine-Augustin Parmentier
- Jakub Karol Parnas
- Marc-Antoine Parseval des Chênes
- William Parsons
- James Riddick Partington
- Blaise Pascal
- Étienne Pascal
- Moritz Pasch
- Louis Carl Heinrich Friedrich Paschen
- Louis Pasteur
- Francesco Patrizi
- John Thomas Patterson
- Paul of Aegina
- Paul of Alexandria
- Paul of Venice
- Wolfgang Pauli
- Pauliśa
- Simon Paulli
- August Pauly
- Aleksei Petrovich Pavlov
- Ivan Petrovich Pavlov
- José Antonio Pavón y Jiménez
- Anselme Payen
- Gustaf Paykull
- Fernandus Payne
- George Peacock
- Charles Willson Peale
- Rembrandt Peale
- Titian Ramsay Peale
- Léon Péan de Saint-Gilles
- Giuseppe Peano
- Raymond Pearl
- George Pearson
- Karl Pearson
- Francis Gladhelm Pease
- John Pecham
- Jean Pecquet
- George Braxton Pegram
- Benjamin Peirce
- Benjamin Osgood Peirce
- Charles Sanders Peirce
- Nicolas Claude Fabri de Peiresc
- Cornelis Adrianus Pekelharing
- Jacques Peletier
- John Pell
- Bertrand Pelletier
- Pierre-Joseph Pelletier
- Théophile-Jules Pelouze
- Jean Charles Athanase Peltier
- Henry Pemberton
- Albrecht Penck
- Walther Penck
- Thomas Pennant
- Frederick Penny
- Antonio Pensa
- John Percy
- Benedictus Pereira
- Duarte Pacheco Pereira
- Joseph Jean Camille Pérès
- Bernardo Pérez de Vargas
- William Henry Perkin
- William Henry Jr. Perkin
- François Péron
- Jean-Baptiste Gaspard Gustav Alfred Pérot
- Claude Perrault
- Pierre Perrault
- Edmond Perrier
- Georges Perrier
- Jean-Baptiste Perrin
- Charles Dillon Perrine
- Edoardo Perroncito
- Jean-Rodolphe Perronet
- Henri Joseph Anastase Perrotin
- Perseus
- Jacques Personne
- Christiaan Hendrik Persoon
- Jean-François Persoz
- Pierre de Peter Peregrinus
- Petrus Peter Philomena of Dacia
- Carl F. W. Peters
- Christian August Friedrich Peters
- Christian Heinrich Friedrich Peters
- Julius Petersen
- Karl Mikhailovich Peterson
- Alexis Thérèse Petit
- Pierre Petit
- Pseudo-Petosiris
- William Petrie
- Nikolay Pavlovich Petrov
- Vasily Vladimirovich Petrov
- Ivan Georgievich Petrovsky
- Petrus Bonus
- Max Josef von Pettenkofer
- Hans Pettersson
- William Petty
- Georg Peurbach
- Bernhard Peyer
- Johann Conrad Peyer
- Jean André Peyssonnel
- Albert Pezard
- Esprit Pezenas
- Johann Friedrich Pfaff
- Max Jakob Pfannenstiel
- Wilhelm Friedrich Philipp Pfeffer
- Paul Pfeiffer
- Eduard Friedrich Wilhelm Pflüger
- Philinus of Cos
- Alexander Philips Wilson Philip
- John Phillips
- Theodore Evelyn Reece Phillips
- William Phillips
- Philo of Byzantium
- Philolaus of Crotona
- Giuseppe Pianese
- Giuseppe Piazzi
- Charles Émile Picard
- Jean Picard
- Auguste Piccard
- Arcangelo Piccolomini
- Edward Charles Pickering
- William Henry Pickering
- Marc-Auguste Pictet
- Raoul-Pierre Pictet
- George Washington Pierce
- Mario Pieri
- Louis-Édouard-Stanislas Piette
- Edward Pigott
- Jean François Pilatre de Rozier
- Salvatore Pincherle
- Gregory Goodwin Pincus
- Philippe Pinel
- Alexandre-Gui Pingré
- Tomé Pires
- Muḥyī al-Dīn Pirī Rais
- Nikolay Ivanovich Pirogov
- Willem Piso
- Archibald Pitcairn
- Bartholomeo Pitiscus
- Henri Pitot
- Augustus Henry Lane Fox Pitt-Rivers
- George Placzek
- Giovanni Plana
- Max Karl Ernst Ludwig Planck
- Maximus Planudes
- John Stanley Plaskett
- Ludwig Hermann Plate
- Joseph Antoine Ferdinand Plateau
- Plato
- Plato of Tivoli
- Félix Platter
- Karl Friedrich Plattner
- John Playfair
- Lyon Playfair
- Marcus Antonius Plenčič
- Pliny
- Robert Plot
- Plotinus
- Noël-Antoine Pluche
- Julius Plücker
- Charles Plumier
- Andrew Plummer
- Henry Crozier Plummer
- Johann Christian Poggendorff
- Antoine-Baudoin Poggiale
- Robert Wichard Pohl
- Jules-Henri Poincaré
- Louis Poinsot
- Jean Léonard Marie Poiseuille
- Simeon-Denis Poisson
- Pierre Poivre
- Mihály Polányi
- Giovanni Poleni
- Giuseppe Saverio Poli
- Pierre Polinière
- Aloys Pollender
- Isaak Iakovlevich Pomeranchuk
- Pietro Pomponazzi
- Pomponius Mela
- Jean Victor Poncelet
- Jean-Louis Pons
- Giulio Pontedera
- Charles Lane Poor
- William Jackson Pope
- Aleksandr Nikiforivich Popov
- Aleksandr Stepanovich Popov
- Platon Sergeevich Poretsky
- Ignazio Porro
- Giambattista Della Porta
- Luigi Porta
- Antoine Portal
- Albert Marcel Germain René Portevin
- Paul Portier
- Franz Pošepný
- Posidonius
- Emil Leon Post
- Grigory Nikolaevich Potanin
- Johann Heinrich Pott
- Félix-Archimède Pouchet
- Claude-Servais-Mathias Pouillet
- Edward Bagnall Poulton
- François Pourfour du Petit
- Louis François de Pourtalès
- Karl Rudolph Powalky
- Baden Powell
- Cecil Frank Powell
- John Wesley Powell
- Frederick Belding Power
- Henry Power
- John Henry Poynting
- Ludwig Prandtl
- Frederick Haven Pratt
- John Henry Pratt
- Praxagoras of Cos
- Fritz Pregl
- Karel Boriwoj Presl
- Joseph Prestwich
- Isaac-Bénédict Prévost
- Jean-Louis Prevost
- Louis-Constant Prévost
- Pierre Prevost
- Thierry William Preyer
- James Cowles Prichard
- John Gillies Priestley
- Joseph Priestley
- John Pringle
- Alfred Pringsheim
- Ernst Pringsheim
- Nathanael Pringsheim
- Charles Pritchard
- Ivan Ivanovich Privalov
- Joseph Privat de Molières
- Georgius Procháska
- Proclus
- Richard Anthony Proctor
- Gaspard-François-Clair-Marie Riche de Prony
- Joseph Louis Proust
- William Prout
- Stanislaus von Lanov Prowazek
- Theophil Mitchell Prudden
- Franz Ignace Pruner Bey
- Pierre Eugène Marie Joseph Pruvost
- Dmitry Nikolaevich Pryanishnikov
- Nikolay Mikhaylovich Przhevalsky
- Michael Psellus
- Claudius Ptolemy
- Victor Puiseux
- Carl Pulfrich
- Raphael Pumpelly
- Reginald Crundall Punnett
- Michael Idvorsky Pupin
- Thomas Purdie
- Jan Evangelista Purkyně
- Frederick Pursch
- Frederic Ward Putnam
- Pythagoras of Samos
- Pytheas of Massalia
?
- Abū al-Ṣaqr ʿAbd al-ʿAzīz ibn ʿUthmān ibn ʿAlī al-Qabīṣī
- Qāḍī Zāda al-Rūmī
- Abu'l-ḥasan ʿAlī ibn Muḥammad ibn ʿAlī al-Qalaṣādī
- Zakariyā ibn Muḥammad ibn Maḥmūd Abū Yaḥyā al-Qazwīnī
- Jean-Louis-Armand de Quatrefages de Bréau
- Friedrich Quenstedt
- Lambert-Adolphe-Jacques Quetelet
- Amīn al-Dawlah Abū al-Faraj ibn Muwaffaq al-Dīn YaʿQūb ibn Isḥāq al-Masīhī al-Karakī ibn al-Quff
- Abū Sahl Wayjan ibn Rustam al-Qūhī
- Georg Hermann Quincke
- Jean-René-Constant Quoy
- Qusṭā ibn Lūqā al-Baʿlabakkī
- Abū Muḥammad ʿAbdallāh ibn Muslim al-Dīnawarī al-Jabalī ibn Qutayba
- Quṭb al-Dīn al-Shīrāzī
?
- François Rabelais
- Cari Rabl
- Hans Rademacher
- Emanuel Rádl
- Tibor Radó
- Johann Radon
- Thomas Stamford Bingley Raffles
- Constantine Samuel Rafinesque
- Rāghavānanda Śarman
- Chandrasekhara Venkata Raman
- Srinivasa Aaiyangar Ramanujan
- Jean Baptiste Rames
- Karl Rammelsberg
- Santiago Ramón y Cajal
- Gaston Ramon
- Louis François Élisabeth Ramond de Carbonnières
- Carl Wilhelm Ramsauer
- Andrew Crombie Ramsay
- William Ramsay
- Lewis Stephen Ramsdell
- Jesse Ramsden
- Frank Plumpton Ramsey
- Peter Ramus
- Alexander Oliver Rankine
- William John Macquorn Rankine
- Louis-Antoine Ranvier
- Arthur Cowper Ranyard
- François Marie Raoult
- François-Vincent Raspail
- Rudolf Erich Raspe
- Auguste Camille Edmond Rateau
- Martin Heinrich Rathke
- Friedrich Ratzel
- Jules Raulin
- Leonhard Rauwolf
- John Ray
- Prafulla Chandra Ray
- Georges Antoine Pons Rayet
- Raymond of Marseilles
- Percy Edward Raymond
- Abū Bakr Muḥammad ibn Zakariyyā al-Rāzī
- Andrei Mikhailovich Razmadze
- Raganātha
- René-Antoine Ferchault de Réaumur
- Hans Reck
- Élisée Reclus
- Robert Recorde
- William C. Redfield
- Francesco Redi
- Pierre-Joseph Redouté
- Ferdinand Jakob Redtenbacher
- Ferdinand Reech
- Walter Reed
- Erich Rudolph Alexander Regener
- Johannes Regiomontanus
- Henri Victor Regnault
- Georg Friedrich von Reichenbach
- Hans Reichenbach
- Karl Reichenbach
- Karl Bogislaus Reichert
- Harry Fielding Reid
- Kurt Werner Friedrich Reidemeister
- Johann Christian Reil
- Erasmus Reinhold
- Robert Remak
- Ira Remsen
- Alphonse François Renard
- Bernard Renault
- Joseph-Louis Renaut
- Eugène Renevier
- James Rennell
- Otto Renner
- Alfréd Rényi
- Adolf Repsold
- Lorenzo Respighi
- Anders Adolf Retzius
- Magnus Gustaf Retzius
- Franz Reuleaux
- August Emanuel Reuss
- Franz Ambrosius Reuss
- Julio Rey Pastor
- Abel Rey
- Jean Rey
- Theodor Reye
- Francisco de la Reyna
- Charles René Reyneau
- Osborne Reynolds
- Anton Maria Schyrlaeus de Rheita
- George Joachim Rheticus
- Albert Ribaucour
- Carlos Ribeiro Santos
- Jacopo Francesco Riccati
- Vincenzo Riccati
- Matteo Ricci
- Michelangelo Ricci
- Ostilio Ricci
- Gregorio Ricci-Curbastro
- Giambattista Riccioli
- Annibale Riccò
- Richard of Wallingford
- Jules Antoine Richard
- Louis Paul Émile Richard
- Alfred Newton Richards
- Francis John Richards
- Theodore William Richards
- Benjamin Ward Richardson
- Owen Willans Richardson
- Jean Richer
- Charles Robert Richet
- Georg Wilhelm Richmann
- Jeremias Benjamin Richter
- Ferdinand von Richthofen
- Floyd Karker Richtmyer
- Howard Taylor Ricketts
- Oscar Riddle
- Eric Keightley Rideal
- Robert Ridgway
- Abū'l-Ḥasan ʿAlī ibn ʿAlī ibn Jaʿafar al-Miṣrī ibn Riḍwān
- Eduard Riecke
- Georg Friedrich Bernhard Riemann
- Adam Ries
- Frigyes Riesz
- Marcel Riesz
- Augusto Righi
- Tommaso Rima
- Sydney Ringer
- Sven Rinman
- Andrés Manuel del Río
- Pío del Río-Hortega
- Jean Riolan
- Friedrich Risner
- Ristoro
- George Willis Ritchey
- Joseph Fels Ritt
- David Rittenhouse
- Johann Wilhelm Ritter
- William Emerson Ritter
- Karl Heinrich Ritthausen
- Walter Ritz
- Scipione Riva-Rocci
- Albert Cherbury David Rivett
- Émile-Valère Rivière de Précourt
- Isaac Roberts
- William Chandler Roberts-Austen
- Gilles Personne de Roberval
- Charles-Phillipe Robin
- Jean-Baptiste René Robinet
- Benjamin Robins
- Abraham Robinson
- Pierre-Jean Robiquet
- John Robison
- Édouard Albert Roche
- John Roebuck
- Ferdinand Roemer
- Friedrich Adolph Roemer
- August Johann Roesel von Rosenhof
- Roger of Hereford
- Henry Darwin Rogers
- Jacques Rohault
- Karl Rohn
- Luigi Rolando
- Guerner Rolfinck
- Michel Rolle
- George Rolleston
- Joseph-Pierre-Martin Rollet
- George John Romanes
- Jean-Baptiste Louis Romé de L'Isle
- Alfred Sherwood Romer
- Eugeniusz Mikołaj Romer
- Guillaume Rondelet
- Ogden Nicholas Rood
- Lawrence Rooke
- Adriaan van Roomen
- Hendrik Willem Bakhuis Roozeboom
- Daniele Rosa
- Jakob Rosanes
- Henry Enfield Roscoe
- Gustav Rose
- Heinrich Rose
- Hans Oswald Rosenberg
- Johann Karl Ferdinand Rosenberger
- Otto August Rosenberger
- Arturo Rosenblueth
- Harry Rosenbusch
- Johann Georg Rosenhain
- Walter Rosenhain
- Arthur Rosenheim
- Frank Elmore Ross
- James Clark Ross
- Ronald Ross
- Carl-Gustav Arvid Rossby
- Francesco Rossetti
- Roger James Rossiter
- Léon Louis Rostan
- Jean Cyrus Rostand
- Justus Ludwig Adolph Roth
- Christoph Rothmann
- Guillaume-François Rouelle
- Hilaire-Marin Rouelle
- Jean Rouelle
- Charles Marie Benjamin Rouget
- Francis John Worsley Roughton
- Karl Frantsovich Rouillier
- Edward John Routh
- Pierre Paul Émile Roux
- Wilhelm Roux
- Gaetano Rovereto
- Allan Winter Rowe
- Henry Augustus Rowland
- John Rowning
- Dmitry Sergeevich Rozhdestvensky
- Heinrich Rubens
- Max Rubner
- Olof Rudbeck
- Reinhold Rüdenberg
- Ferdinand Rudio
- Christoff Rudolff
- Karl Asmund Rudolphi
- Rudolf Ruedemann
- Jean Ruel
- Marc Armand Ruffer
- Angelo Ruffini
- Paolo Ruffini
- Giordano Ruffo
- Rufinus
- Rufus of Ephesus
- Heinrich Daniel Rühmkorff
- Carlo Ruini
- Hipólito Ruiz
- Martin Ruland
- Ulrich Rülein
- Ole Christensen Rømer
- Stepan Yakolevich Rumovsky
- Carl David Tolmé Runge
- Friedlieb Ferdinand Runge
- Wilhelm Conrad Röntgen
- Girolamo Ruscelli
- Benjamin Rush
- Abu'l-Walīd Muḥammad ibn Aḥmad ibn Muḥammad ibn Rushd
- Bertrand Arthur William Russell
- Edward John Russell
- Henry Chamberlaine Russell
- Henry Norris Russell
- Richard Joel Russell
- Daniel Rutherford
- Ernest Rutherford
- Lewis Morris Rutherfurd
- Karl Ludwig Rütimeyer
- Martin Gerard Rutten
- Frederik Ruysch
- Leopold Ružička
- Johannes Rydberg
?
- Armand Sabatier
- Paul Sabatier
- Florence Rena Sabin
- Edward Sabine
- Paul Earls Sabine
- Wallace Clement Ware Sabine
- Girolamo Saccheri
- Luigi Sacco
- Julius von Sachs
- Johannes de Sacrobosco
- Balthazar-Georges Sage
- Georges M. M. Sagnac
- Meghnad Saha
- Gregorius Saint Vincent
- Augustin François César Prouvençal de Saint-Hilaire
- Adhémar Jean Claude Barré de Saint-Venant
- Shoichi Sakata
- Vladimir Vladimirovich Sakharov
- Stanislaw Saks
- Angelo Sala
- Raphaël Salem
- Salernitan Anatomists
- Rollin Daniel Salisbury
- Denys de Sallo
- George Salmon
- Carl Julius Salomonsen
- Ippolito Salviani
- Najīb al-Dīn Abū Ḥāmid Muḥammad ibn ʿAlī ibn ʿUmar al-Samarqandī
- Shams al-Dīn Muḥammad ibn Ashraf al-Ḥusaynī al-Samarqandī
- Ibn Yaḥyā al-Maghribī al-Samawʾal
- Aleksandr Filippovich Samoylov
- Ralph Allen Sampson
- Giuseppe Sanarelli
- Francisco Sanchez
- Ezra Dwight Sanderson
- Karl Gustav Sanio
- Giovanni Domenico Santorini
- Santorio Santorio
- Louis Charles Joseph Gaston de Saporta
- Paolo Sarpi
- Michael Sars
- George Alfred Léon Sarton
- Gavriil Andreevich Sarychev
- Śatānanda
- Satō Nobuhiro
- Frederick Albert Saunders
- Joseph Saurin
- Horace Bénédict de Saussure
- Nicolas-Théodore de Saussure
- Camille-François Sauvageau
- Albert Sauveur
- Joseph Sauveur
- Leonard Jimmie Savage
- Félix Savart
- Marie-Jules-César Lelorgne de Savigny
- Karl Sax
- Joseph Saxton
- Thomas Say
- Julius Caesar Scaliger
- Antonio Scarpa
- George Scatchard
- John Martin Schaeberle
- Wilhelm Schäfer
- John Frank Schairer
- Hans Schardt
- Juliusz Pawel Schauder
- Fritz Richard Schaudinn
- Carl Wilhelm Scheele
- Henry Scheffé
- Georg Scheffers
- Jakob Schegk
- Christoph Scheiner
- Julius Scheiner
- Frederick Wilhelm Joseph von Schelling
- Paul Hermann Scherrer
- Johann Jakob Scheuchzer
- Giovanni Virginio Schiaparelli
- Wilhelm Schickard
- Hugo Josef Schiff
- Leonard Isaac Schiff
- Moritz Schiff
- Andreas Franz Wilhelm Schimper
- Karl Friedrich Schimper
- Wilhelm Philipp Schimper
- Hans Carl Frederik Christian Schjellerup
- Ludwig Schläfli
- Jacob Mathias Schleiden
- Frank Schlesinger
- Friedrich Albert Schlick
- Heinrich Schliemann
- Ernst Friedrich Schlotheim
- Charles Schlumberger
- Philippe-Charles Schmerling
- Casimir Christoph Schmidel
- Bernhard Voldemar Schmidt
- Carl August von Schmidt
- Erhard Schmidt
- Ernst Johannes Schmidt
- Gerhard Carl Nathaniel Schmidt
- Johann Friedrich Julius Schmidt
- Karl Patterson Schmidt
- Johann Ernst Schmiedeberg
- Friedrich Anton Schneider
- Hans Schneiderhöhn
- Arthur Moritz Schoenflies
- Rudolf Schoenheimer
- Basil Ferdinand Jamieson Schonland
- Henry Rowe Schoolcraft
- Frans van Schooten
- William-Henri Schopfer
- Carl Schorlemmer
- Charles Anthony Schott
- Gaspar Schott
- Otto Friedrich Schott
- Friedrich Hermann Schottky
- Pieter Hendrik Schoute
- Jan Arnoldus Schouten
- Joakim Frederik Schouw
- Franz Schrader
- Karl Schreibers
- Jacobus Ludovicus Conradus Schroeder van der Kolk
- Heinrich Eduard Schroeter
- Friedrich Wilhelm Karl Ernst Schröder
- Erwin Schrödinger
- Johann Hieronymus Schröter
- Anton von Schrötter
- Hermann Cäsar Hannibal Schubert
- Charles Schuchert
- Max Johann Sigismund Schultze
- Franz Ferdinand Schulze
- Heinrich Christian Schumacher
- Victor Schumann
- Christian Friedrich Schönbein
- Henry Edward Schunck
- Johannes Schöner
- Eduard Schönfeld
- Carl Johan Schünherr
- Johann Lucas Schönlein
- Issai Schur
- Arthur Schuster
- Samuel Heinrich Schwabe
- Theodor Ambrose Hubert Schwann
- Hermann Amandus Schwarz
- Gerold Karl Schwarzenbach
- Karl Schwarzschild
- Johann Salomo Christoph Schweigger
- Ferdinand Karl Schweikart
- Simon Schwendener
- Agostino Scilla
- Philip Lutley Sclater
- Dukinfield Henry Scott
- William Berryman Scott
- George Julius Poulett Scrope
- Samuel Hubbard Scudder
- Frederick Hanley Seares
- Angelo Secchi
- Ivan Mikhaylovich Sechenov
- Johannes Jakob Sederholm
- Adam Sedgwick
- Georgy Yakovlevich Sedov
- Thomas Jefferson Jackson See
- Thomas Seebeck
- Hugo von Seeliger
- János-András Segner
- Corrado Segre
- Armand Séguin
- Marc Seguin
- Philipp Ludwig von Seidel
- Takakazu Seki
- Edmund Selous
- Alfred Richard Cecil Selwyn
- Ignaz Philipp Semmelweis
- Richard Wolfgang Semon
- Carl Gottfried Semper
- Petr Petrovich Semyonov-Tyan-Shansky
- Jean-Baptiste Senac
- Henri Hureau de Sénarmont
- Michael Sendivogius
- Jean Senebier
- Lucius Annaeus Seneca
- Daniel Sennert
- Aleksandr Sergeevich Serebrovskii
- Serenus
- Edmond Sergent
- Marcel Pierre Toussaint de Serres de Mesplès
- Antoine Étienne Reynaud Augustin Serres
- Olivier de Serres
- Joseph Alfred Serret
- Enrico Sertoli
- Friedrich Wilhelm Adam Ferdinand Sertürner
- Georges-Simon Serullas
- Michael Servetus
- François-Joseph Servois
- Martín de Sessé y Lacasta
- William Albert Setchell
- Vasily Mikhaylovich Severgin
- Francesco Severi
- Christian Severin
- Marco Aurelio Severino
- Petrus Severinus
- Aleksey Nikolaevich Severtsov
- Albert Charles Seward
- Sextus Empiricus
- Katsutada Sezawa
- Jeremy Shakerley
- Nathaniel Southgate Shaler
- William Shanks
- Harlow Shapley
- Vsevolod Vasilievich Sharonov
- William Sharpey
- Edward Albert Sharpey-Schäfer
- Robert Sharrock
- ʿĀlāʾ al-Dīn Abu'l-Ḥasan ʿAlī ibn Ibrāhīm ibn al-Shāṭir
- Samuil Osipovich Shatunovsky
- Peter Shaw
- William Napier Shaw
- Grigory Abramovich Shayn
- Victor Ernest Shelford
- Mikhail Mikhailovich Shemiakin
- Shen Kua
- Philip MacDonald Sheppard
- William Sherard
- Charles Scott Sherrington
- Walter Andrew Shewhart
- Harumi Shibukawa
- Nikolay Aleksandrovich Shilov
- Anania Shirakatsí
- Tadao Shizuki
- Ivan Ivanovich Shmalhauzen
- Lev Genrikhovich Shnirelman
- Yuly Mikhaylovich Shokalsky
- James Short
- Vladimir Borisovich Shtokman
- Alexei Vasilievich Shubnikov
- Aaron Franklin Shull
- Nevil Vincent Sidgwick
- Carl Theodor Ernst von Siebold
- Henry Friedrich Wilhelm Siedentopf
- Michal Siedlecki
- Karl Manne Georg Siegbahn
- Carl Ludwig Siegel
- Charles William Siemens
- Ernst Werner von Siemens
- Waclaw Sierpiński
- Joseph-Aignan Sigaud de Lafond
- Siger of Brabant
- Pierre Sigorgne
- Carlos de Sigüenza y Góngora
- Abū Saʿīd Aḥmad ibn Muḥammad ibn ʿAbd al-Jalīl al-Sijzī
- Benjamin Silliman
- Benjamin Jr. Silliman
- Simon de Phares
- Franz Eugen Simon
- Simplicius
- Thomas Simpson
- Robert Simson
- Abū ʿAlī al-Ḥusayn ibn ʿAbdallāh ibn Sīnā
- Abū Saʿīd Sinān ibn Thābit ibn Qurra
- Willem de Sitter
- Josef Škoda
- Albert Thoralf Skolem
- Zdenko Hans Skraup
- Konstantin Ivanovich Skryabin
- John Clarke Slater
- Louis Byrne Slichter
- Earl C. Slipher
- Vesto Melvin Slipher
- Sir Hans Sloane
- René-François de Sluse
- Evgeny Evgenievich Slutsky
- John Smeaton
- Adolf Gustav Stephan Smekal
- Edgar Fahs Smith
- Edward Smith
- Erwin Frink Smith
- Henry John Stephen Smith
- Homer William Smith
- James Edward Smith
- Philip Edward Smith
- Robert Smith
- Robert Angus Smith
- Sidney Irving Smith
- Theobald Smith
- William Smith
- Wilson Smith
- Arthur Smithells
- James Louis Macie Smithson
- Andreas Smits
- Marian Smoluchowski
- Charles Piazzi Smyth
- Willebrord Snel
- Charles Percy Snow
- John Snow
- Frederick Soddy
- Samuel Thomas Soemmerring
- Leonhard Sohncke
- Yulian-Karl Vasilievich Sokhotsky
- Dmitry Ivanovich Sokolov
- Daniel Carl Solander
- Ambrogio Soldani
- Johann Georg von Soldner
- Jean-Baptiste-François Soleil
- William Johnson Sollas
- Ernest Solvay
- Mary Fairfax Greig Somerville
- Arnold Sommerfeld
- Duncan Mclaren Young Sommerville
- Osip Ivanovich Somov
- Nikolay Yakovlevich Sonin
- Tracy Morton Sonneborn
- Pierre Sonnerat
- Soranus of Ephesus
- Henry Clifton Sorby
- Søren Peter Lauritz Sørensen
- Sosigenes
- Domingo de Soto
- Jean-Louis Giraud Soulavie
- Louis-François-Auguste Souleyet
- James South
- James Sowerby
- Lazzaro Spallanzani
- Hans Spemann
- Harold Spencer Jones
- Herbert Spencer
- Leonard James Spencer
- Elmer Ambrose Sperry
- Speusippus
- Sphujidhvaja
- Adriaan van den Spiegel
- Johann Baptist von Spix
- Gustav Friedrich Wilhelm Spoerer
- Sporus of Nicaea
- Thomas Sprat
- Christian Konrad Sprengel
- Kurt Polycarp Joachim Sprengel
- Walthère Victor Spring
- Richard Spruce
- Adolf Friedrich Wichard Sprung
- Johann Christoph Spurzheim
- Śrīdhara
- Śrīpati
- Charles Edward St. John
- Paul Gustav Stäckel
- Georg Ernst Stahl
- Johann Bernhard Stallo
- Jan Jansz De Jonge Stampioen
- Wendell Meredith Stanley
- Hermann Friedrich Stannius
- Thomas Ernest Stanton
- Johannes Stark
- George Starkey
- Ernest Henry Starling
- Jean-Servais Stas
- Stanislaw Wawrzyniec Staszic
- Rudolf Staub
- Hermann Staudinger
- Karl Georg Christian von Staudt
- Edgar William Richard Steacie
- John Edward Stead
- Thomas Roscoe Rede Stebbing
- Harry Steenbock
- Japetus Smith Steenstrup
- Josef Stefan
- Johan Willem Jakob Antoon Stein
- William Howard Stein
- Jakob Steiner
- Karl August Steinheil
- Ernst Steinitz
- Charles Proteus Steinmetz
- Leonhard Hess Stejneger
- Vladimir Andreevich Steklov
- Georg Wilhelm Steller
- Francesco Stelluti
- Niels Stensen
- Aleksandr Vasil'evich Stepanov
- Vyacheslav Vassilievich Stepanov
- Édouard Jean Marie Stephan
- Stephanus
- Stephanus of Alexandria
- Stephen of Antioch
- Marjory Stephenson
- Joseph Stepling
- Curt Stern
- Otto Stern
- Kaspar Maria von Sternberg
- Pavel Karlovich Sternberg
- Edward Stevens
- Nettie Maria Stevens
- Stanley Smith Stevens
- Simon Stevin
- Balfour Stewart
- George Neil Stewart
- Matthew Stewart
- Thomas Jan Stieltjes
- Michael Stifel
- Charles Wardell Stiles
- Wilhelm Hans Stille
- Frank Leslie Stillwell
- William Stimpson
- Charles Milton Altland Stine
- James Stirling
- Alfred Stock
- Chester Stock
- Aurel Boleslav Stodola
- George Gabriel Stokes
- Aleksandr Grigorievich Stoletov
- Otto Stolz
- Edmund Clifton Stoner
- George Johnstone Stoney
- Fredrik Carl Mülertz Størmer
- Strabo
- John Strachey
- Nikolai Mikhailovich Strakhov
- Eduard Adolf Strasburger
- Friedrich Wilhelm Strassman
- Strato of Lampsacus
- Frederick John Marrion Stratton
- Samuel Wesley Stratton
- Thomas Streete
- George Linius Streeter
- Erwin Stresemann
- Gustaf Benjamin Strömberg
- Svante Elis Strömgren
- Józef Struss
- John William Strutt
- Robert Strutt
- Friedrich Georg Wilhelm Struve
- Georg Otto Hermann Struve
- Gustav Wilhelm Ludwig Struve
- Karl Hermann Struve
- Otto Struve
- Otto Wilhelm Struve
- Alexander Stuart
- Bernhard Studer
- Eduard Study
- William Sturgeon
- Charles-François Sturm
- Friedrich Otto Rudolf Sturm
- Alfred Henry Sturtevant
- Mikhail Fedorovich Subbotin
- Alexander Suchten
- Karl Friedrich Jakob Sudhoff
- Eduard Suess
- Abu'l-Ḥusayn ʿAbd al-Raḥmān ibn ʿUmar al-Rāzī al-Ṣūfī
- Francis Bertody Sumner
- James Batcheller Sumner
- Karl Frithiof Sundman
- Willem Frederik Reinier Suringar
- Heinrich Suter
- William Sutherland
- Walter Stanborough Sutton
- The Svedberg
- Nils Eberhard Svedelius
- Harald Ulrik Sverdrup
- William Swainson
- Jan Swammerdam
- William Francis Gray Swann
- Frédéric Jean Edmond Swarts
- Olof Swartz
- Emanuel Swedenborg
- Gerard van Swieten
- Jan Hendrik van Swinden
- Richard Swineshead
- Thomas Sydenham
- Peter Ludvig Mejdell Sylow
- James Joseph Sylvester
- Franciscus Dele Boë Sylvius
- Robert Symmer
- Synesius of Cyrene
- László Szebellédy
- Leo Szilard
- Pál Szily
?
- Abu'l-Ḥasan Aḥmad ibn Muḥammad al-Ṭabarī
- Abu'l-Ḥasan ʿAlī ibn Sahl Rabbān al-Ṭabarī
- John Tabor
- Pietro Tacchini
- Mariano di Jacomo Taccola
- Otto Tachenius
- Andreas Tacquet
- Peter Guthrie Tait
- Teiji Takagi
- William Henry Fox Talbot
- Igor Evgenievich Tamm
- Gustav Heinrich Johann Apollon Tammann
- Aikitsu Tanakadate
- Gavriil Ivanovich Tanfilev
- Jules Tannery
- Paul Tannery
- Jean Tarde
- Giovanni Targioni Tozzetti
- Alfred Tarski
- Niccolò Tartaglia
- Shiro Tashiro
- Alfred Tauber
- Franz Adolph Taurinus
- Brook Taylor
- Charles Vincent Taylor
- Frank Bursley Taylor
- Frederick Winslow Taylor
- Geoffrey Ingram Taylor
- Hugh Stott Taylor
- Jethro Justinian Harris Teall
- Ludwik Karol Teichmann
- Paul Julius Oswald Teichmüller
- Pierre Teilhard de Chardin
- Georges Teissier
- Bernardino Telesio
- Willem Ten Rhyne
- Smithson Tennant
- David Hilt Tennent
- Pierre Termier
- Nikola Tesla
- Jean Léo Testut
- al-Ṣābiʾ al-Ḥarrānī Thābit ibn Qurra
- Thales
- Károly Than
- Roland Thaxter
- William Sydney Thayer
- Theaetetus
- Themistius
- Louis Jacques Thenard
- Theodorus of Cyrene
- Theodosius of Bithynia
- Theon of Alexandria
- Theon of Smyrna
- Theophilus
- Theophrastus
- Theudius of Magnesia
- Melchisédech Thévenot
- F. K. Johannes Thiele
- Thorvald Nicolai Thiele
- Hans Thierfelder
- Thierry of Chartres
- William Turner Thiselton-Dyer
- Louis Thollon
- Thomas Thomas of Cantimpré
- Hugh Hamshaw Thomas
- Karl Thomas
- Sidney Gilchrist Thomas
- Alvaro Thomaz
- Benjamin Thompson
- D'Arcy Wentworth Thompson
- John Vaughan Thompson
- Silvanus Phillips Thompson
- Christian Jürgensen Thomsen
- Hans Peter Jürgen Julius Thomsen
- Elihu Thomson
- George Paget Thomson
- Joseph John Thomson
- Sir Charles Wyville Thomson
- Sir William Thomson
- Thomas Thomson
- Jocelyn Field Thorpe
- Thomas Edward Thorpe
- André Thouin
- Axel Thue
- Carl Peter Thunberg
- Thorsten Ludvig Thunberg
- Gustave Adolphe Thuret
- John Thurnam
- Leonhard Thurneysser
- Robert Henry Thurston
- Thymaridas
- Jacob Ben Machir ibn Tibbon
- Moses Ben Samuel ibn Tibbon
- Friedrich Tiedemann
- Philippe van Tieghem
- Johann Carl Wilhelm Ferdinand Tiemann
- Heinrich Franz Friedrich Tietze
- Shihāb al-Dīn Abu' L-ʿAbbās AḤmad ibn Yūsuf al-Tīfāshī
- Gavriil Adrianovich Tikhov
- Daniel Tilas
- Sir William Augustus Tilden
- Mathieu Tillet
- Cecil Edgar Tilley
- Aleksey Andreevich Tillo
- Alexander Tilloch
- Joseph-Marie de Tilly
- Amīn al-Dawla Abu'l-Ḥasan Hibat Allāh ibn Ṣaʿīd ibn al-Tilmīdh
- Kliment Arkadievich Timiryazev
- Nikolai Vladimirovich Timofeeff-Ressovsky
- Stepan Timoshenko
- Charles de Tinseau D'Amondans
- Arne Wilhelm Kaurin Tiselius
- François Félix Tisserand
- Edward Charles Titchmarsh
- Johann Daniel Titius
- Isaac Todhunter
- Otto Toeplitz
- Richard Chace Tolman
- Sin-Itiro Tomonaga
- Marcantonio della Torre
- Leonardo Torres Quevedo
- John Torrey
- Evangelista Torricelli
- Paolo Toscanelli Dal Pozzo
- Paolo Toscanelli dal Pozzo
- George Hoggart Toulmin
- Joseph Pitton de Tournefort
- Richard Towneley
- John Sealy Edward Townsend
- Joseph Townsend
- Don Bruno Tozzi
- John (1608–1662) Tradescant
- John (c. 1570– 1638) Tradescant
- Moritz Traube
- Morris William Travers
- Friedrich Wilhelm Heinrich von Trebra
- Jacques Gustave Marie Tréfouël
- William Trelease
- Abraham Trembley
- Melchior Treub
- Gottfried Reinhold Treviranus
- Ludolph Christian Treviranus
- José Gerónimo Triana
- Michele Troja
- Johann Bartholomäus Trommsdorff
- Gerard Troost
- Louis Joseph Troost
- Adriaan Paets van Troostwijk
- Johannes Tropfke
- Edward Troughton
- Frederick Thomas Trouton
- Étienne Léopold Trouvelot
- John Trowbridge
- Giovanni Trulli
- Robert Julius Trumpler
- Erich Tschermak von Seysenegg
- Gustav Tschermak
- Ehrenfried Walther Tschirnhaus
- Vitold Karlovich Tserasky
- Konstantin Eduardovich Tsiolkovsky
- Tsu Ch'ung-chih
- Mikhail Semenovich Tsvet
- Abū Bakr Muḥammad ibn Ṭufayl
- Louis-René Tulasne
- Nicholaas Tulp
- Cuthbert Tunstall
- Andrey Nikolaevich Tupolev
- Paul Turán
- Ludwig Türck
- Göte Wilhelm Turesson
- Anne-Robert-Jacques Turgot
- Étienne-François Turgot
- Alan Mathison Turing
- Edward Turner
- Herbert Hall Turner
- Peter Turner
- William Turner
- William (1508–1568) Turner
- William (1832–1916) Turner
- William Ernest Stephen Turner
- Pierre Jean François Turpin
- Theodore Turquet de Mayerne
- Muḥammad ibn Muḥammad ibn al-Ḥasan al-Ṭūsī
- Sharaf al-Dīn al-Muẓaffar ibn Muḥammad ibn al-Muẓaffar al-Ṭūsī
- Alfred Edwin Howard Tutton
- Merle Antony Tuve
- William Henry Twenhofel
- Frederick William Twort
- John Tyndall
- Joseph Burr Tyrrell
- Edward Tyson
?
- Jakob Johann von Uexküll
- Alexei Alexeivich Ukhtomsky
- Antonio de Ulloa y de la Torre Giral
- Ulrich of Strasbourg
- Edward Oscar Ulrich
- Philipp Ulstad
- Ulugh Beg
- ʿUmar ibn al-Farrukhān al-Ṭabarī
- Abū ʿAbdallāh YaʿĪsh ibn Ibrāhīm ibn Yūsuf ibn Simāk al-Andalusī al-Umawī
- Nikolai Alexeevich Umov
- José Hipólito Unanue
- Franz Unger
- Johann August Unzer
- Abu'l-Ḥasan Aḥmad ibn Ibrāhīm al-Uqlīdīsī
- Georges Urbain
- Andrew Ure
- Harold Clayton Urey
- Pavel Samuilovich Uryson
?
- Egor Egorovich Vagner
- Giovanni Vailati
- Léon-Louis Vaillant
- Sébastien Vaillant
- Achille Valenciennes
- Gabriel Gustav Valentin
- Basil Valentine
- Luca Valerio
- Charles-Jean-Gustave-Nicolas Vallée-Poussin
- Antonio Vallisnieri
- Jacques-Christophe Valmont de Bomare
- Anton Maria Valsalva
- Roberto Valturio
- Juan de Valverde
- Robert Jemison Van de Graaff
- Charles Richard Van Hise
- William Van Leckwijck
- Donald Dexter Van Slyke
- John Hasbrouck Van Vleck
- Alexandre-Théophile Vandermonde
- Harry Schultz Vandiver
- Giulio Cesare Vanini
- Jacobus Henricus Van't Hoff
- Lardner Vanuxem
- Varāhamihira
- Bernhardus Varenius
- Pierre Varignon
- Costanzo Varolio
- Marcus Terentius Varro
- Giulio Vassale
- Giovanni Vastarini-Cresi
- Vaṭeśvara
- Sébastien le Prestre de Vauban
- Jean Pierre Étienne Vaucher
- Nicolas Louis Vauquelin
- Nikolay Ivanovich Vavilov
- Sergey Ivanovich Vavilov
- Oswald Veblen
- Lars Vegard
- František Vejdovský
- Vladimir Iosifovich Veksler
- José Mariano da Conceição Vellozo
- Gabriel François Venel
- Ignatz Venetz
- Felix Andries Vening Meinesz
- John Venn
- Paul Ver Eecke
- Faustus Verantius
- Marcel Émile Verdet
- Pierre-François Verhulst
- Vladímir Ivanovich Vernadsky
- Philippe Édouard Poulletier de Verneuil
- Ernest Basil Verney
- Pierre Vernier
- Sergei Nikolaevich Vernov
- Giuseppe Veronese
- Addison Emery Verrill
- Max Verworn
- Andreas Vesalius
- Johann Vesling
- Ernest Vessiot
- Hubert Bradford Vickery
- Félix Vicq d'Azyr
- François Viète
- Raymond Vieussens
- John Francis Vigani
- Giovanni da Vigo
- Vijayananda
- Juan Bautista Villalpando
- Villard de Honnecourt
- Paul Villard
- Emilio Villari
- Pierre Louis François Leveque de Vilmorin
- Vincent of Beauvais
- Jerome Ruben Vinograd
- Sergey Nikolaevich Vinogradsky
- Jules Louis Gabriel Violle
- Rudolf Carl Virchow
- Julien-Joseph Virey
- Artturi Ilmari Virtanen
- Giuseppe Vitali
- Vitruvius Pollio
- Juan Luis Vives
- Vincenzo Viviani
- Vladimir Yulevich Vize
- Adriaan Vlacq
- Isaäk Martinus van der Vlerk
- Aleksandr Ivanovich Voeykov
- Hermann Carl Vogel
- Carl Vogt
- Johan Hermann Lie Vogt
- Thorolf Vogt
- Johann Carl Wilhelm Voigt
- Woldemar Voigt
- Carl von Voit
- Paul Oskar Eduard Volkmann
- Constantin-François Chasse-Boeuf Volney
- Alessandro Giuseppe Antonio Anastasio Volta
- François Marie Arouet de Voltaire
- Vito Volterra
- Philippe Louis Voltz
- Johann Von Neumann
- Mikhail Stepanovich Voronin
- Georgy Fedoseevich Voronoy
- Hugo de Vries
- Nikolay Evgenievich Vvedensky
- Ivan Alekseevich Vyshnegradsky
- Georgy Nikolaevich Vysotsky
?
- Peter Waage
- Johannes Diderik van der Waals
- Heinrich Wilhelm Ferdinand Wackenroder
- Abū al-Muṭarrif ʿAbd al-Raḥman ibn Wāfid
- Laurence Rickard Wager
- Julius Wagner von Jauregg
- Rudolph Wagner
- Göran Wahlenberg
- Abū Bakr Aḥmad ibn ʿAlī ibn al-Mukhtār ibn Waḥshiyya
- Selman Abraham Waksman
- Johann Ernst Immanuel Walch
- Charles Doolittle Walcott
- Abraham Wald
- František Wald
- Paul Walden
- Wilhelm von Waldeyer-Hartz
- Martin Waldseemüller
- Alexander Walker
- John Walker
- Alfred Russel Wallace
- William Wallace
- Otto Wallach
- Augustus Volney Waller
- Johan Gottschalk Wallerius
- George Charles Wallich
- John Wallis
- Walter of Odington
- Philippe Walter
- Johannes Walther
- Izaak Walton
- Wang Hsi-Shan
- Hsien Chung Wang
- Albert Wangerin
- James Alfred Wanklyn
- Emil Gabriel Warburg
- Otto Heinrich Warburg
- Seth Ward
- Pehr Wilhelm Wargentin
- Edward Waring
- Johannes Eugenius Bülow Warming
- Edward Wight Washburn
- Henry Stephens Washington
- August Paul von Wassermann
- John James Waterston
- Charles Waterton
- George Neville Watson
- Hewett Cottrell Watson
- Richard Watson
- Sereno Watson
- William Watson
- Robert Alexander Watson-Watt
- James Watt
- Ernst Heinrich Weber
- Hans Herman Julius Wilhelm Weber
- Heinrich Weber
- Max Wilhelm Carl Weber
- Wilhelm Eduard Weber
- Arthur Gordon Webster
- David Locke Webster
- John Webster
- Thomas Webster
- Joseph Henry MacLagan Wedderburn
- Georg Wolfgang Wedel
- Josiah Wedgwood
- Alfred Lothar Wegener
- Arthur Rudolph Berthold Wehnelt
- Anton Weichselbaum
- Karl Theodor Wilhelm Weierstrass
- Christian Ehrenfried Weigel
- Valentin Weigel
- Carl Weigert
- Wilhelm Weinberg
- Julius Weingarten
- Julius Ludwig Weisbach
- August Friedrich Leopold Weismann
- Christian Samuel Weiss
- Edmund Weiss
- Pierre Weiss
- Chaim Weizmann
- William Henry Welch
- Walter Frank Raphael Weldon
- Harry Gideon Wells
- William Charles Wells
- Gottfried Wendelin
- Friedrich August Ferdinand Christian Went
- Gregor Wentzel
- Johann-Jakob Wepfer
- Abraham Gottlob Werner
- Alfred Werner
- Johann(es) Werner
- Carl Wernicke
- Ernst Wertheim
- Caspar Wessel
- Hermann Weyl
- George Wharton
- Thomas Wharton
- Richard Whately
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- William Morton Wheeler
- William Whewell
- William Whiston
- Charles White
- Charles David White
- Gilbert White
- Israel Charles White
- Thomas White
- Alfred North Whitehead
- John Henry Constantine Whitehead
- John Whitehurst
- Robert Parr Whitfield
- Charles Otis Whitman
- Josiah Dwight Whitney
- Edmund Taylor Whittaker
- Walter Frederick Whittard
- Robert Whytlaw-Gray
- Robert Whytt
- Ernest Wickersheimer
- Johannes Widman
- Aloys Joseph Beck Edler von Widmannstätten
- Emil Wiechert
- Maximilian Zu Wied
- Gustav Heinrich Wiedemann
- Robert Wiedersheim
- Johann Christian Wiegleb
- Heinrich Otto Wieland
- Melchior Wieland
- Heinrich Wieleitner
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- Ludwig Christian Wiener
- Norbert Wiener
- Otto Wiener
- Julius von Wiesner
- Albert Julius Wilhelm Wigand
- Johann Bernhard Wilbrand
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- Ernest Julius Wilczynski
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- Harvey Washington Wiley
- Wilhelm IV
- Richard Herman Wilhelm
- Ludwig Ferdinand Wilhelmy
- John Wilkins
- Samuel Stanley Wilks
- Karl Ludwig Willdenow
- William of Auvergne
- William of Saint-Cloud
- William of Sherwood
- William the Englishman
- Henry Shaler Williams
- Robert Runnels Williams
- Alexander William Williamson
- William Crawford Williamson
- Bailey Willis
- Robert Willis
- Thomas Willis
- Samuel Wendell Williston
- Richard Willstätter
- Francis Willughby
- Johannes Wilsing
- Alexander Wilson
- Benjamin Wilson
- Charles Thomson Rees Wilson
- Edmund Beecher Wilson
- Edwin Bidwell Wilson
- Harold Albert Wilson
- John Wilson
- Alexander Winchell
- Alexander Newton Winchell
- Horace Vaughn Winchell
- Newton Horace Winchell
- Adolf Otto Reinhold Windaus
- Vincent Wing
- Clemens Winkler
- Helmut Gustav Franz Winkler
- Lajos Wilhelm Winkler
- Joseph Winlock
- Jacob Winsløw
- Saul Winstein
- John Winthrop
- Aurel Wintner
- Johannes Wislicenus
- Caspar Wistar
- Witelo
- Henry Witham
- William Withering
- Jan de Witt
- Ludwig Wittgenstein
- Paul Wittich
- Franz Woepcke
- Charles Joseph Étienne Wolf
- Johann Rudolf Wolf
- Maximilian Franz Joseph Cornelius Wolf
- Caspar Friedrich Wolff
- Christian Wolff
- Jacob Wolfowitz
- Melville Lawrence Wolfrom
- Francis Wollaston
- William Hyde Wollaston
- Reinhard Woltman
- Horatio C. Wood
- Robert Williams Wood
- Robert Woodhouse
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- Robert Simpson Woodward
- Charles Leonard Woolley
- Ole Worm
- Jens Jacob Worsaae
- Edward Wotton
- Peter Woulfe
- Christopher Wren
- Almroth Edward Wright
- Edward Wright
- Frederick Eugene Wright
- George Frederick Wright
- Thomas Wright
- Wilbur Wright
- William Hammond Wright
- Zygmunt Florenty von Wróblewski
- Hsien Wu
- August Wöhler
- Friedrich Wöhler
- Georg Wulff
- Wilhelm Wundt
- Charles-Adolphe Wurtz
- Jeffries Wyman
?
?
- Yaḥyā ibn Abī Manṣūr
- Yang Hui
- Yaʿqūb ibn Ṭāriq
- Shihāb al-Dīn Abū ʿAbdallāh Yāqūt ibn ʿAbd Allāh Yāqūt al-Ḥamawī al-Rūmī
- Yativṛṣabha
- Yavaneśvara
- Robert Mearns Yerkes
- Alexandre Yersin
- William John Youden
- Charles Augustus Young
- John Richardson Young
- John Wesley Young
- Sydney Young
- Thomas Young
- William Henry Young
- Hideki Yukawa
- George Udny Yule
- Abu'l-Ḥasan ʿAlī ibn ʿAbd al-Raḥmān ibn Aḥmad ibn Yūnus al-Ṣadafī ibn Yūnus
?
- Jacopo Zabarella
- Franz Xaver von Zach
- William Houlder Zachariasen
- Abraham Bar Samuel Bar Abraham Zacuto
- Abu'l-Qāsim Khalaf ibn ʿAbbās al-Zahrāwī
- Adam Zalužanský Ze Zalužan
- Giuseppe Zambeccari
- Ferruccio Zambonini
- Eustachio Zanotti
- Kazimierz Zarankiewicz
- Abū Isḥāq Ibrāhīm ibn Yaḥyā al-Naqqāsh al-Zarqālī
- Mikhail Mikhaylovich Zavadovsky
- Aleksey Alekseevich Zavarzin
- Pieter Zeeman
- René Charles Zeiller
- William Christopher Zeise
- Ludwik Zejszner
- Nikolay Dmitrievich Zelinsky
- Géza Zemplén
- Zeno of Citium
- Zeno of Elea
- Zeno of Sidon
- Zenodorus
- Ernst Friedrich Ferdinand Zermelo
- Frits Zernike
- Leonidas Zervas
- Gustav Anton Zeuner
- Hieronymus Georg Zeuthen
- Nikolay Egorovich Zhukovsky
- Karl Waldemar Ziegler
- Walter Zimmermann
- Nikolay Nikolaevich Zinin
- Hans Zinsser
- Ferdinand Zirkel
- Karl Alfred von Zittel
- Egor Ivanovich Zolotarev
- Zosimus of Panopolis
- Richard Adolf Zsigmondy
- Nikolay Nikolaevich Zubov
- Vasily Pavlovich Zubov
- Niccolò Zucchi
- Abū Marwān ʿAbd al-Malik ibn Abi'l-ʿAlāʾ ibn Zuhr
- Johann Karl Friedrich Zöllner
- Johann Zwelfer
- Fritz Zwicky
?
?
- Cleveland Abbe
- Antonio Abetti
- William de Wiveleslie Abney
- Abraham Bar ?iyya Ha-Nasi
- Mu?ammad ibn Mu?ammad ibn Ya?y? ibn Ism???l ibn al-?Abb?s Ab?'l-Waf?? al-B?zj?n?
- Acyuta Pi??ra?i
- John Couch Adams
- Adelard of Bath
- Pierre d'Ailly
- George Biddell Airy
- Robert Grant Aitken
- Carl Theodor Albrecht
- Alfonso El Sabio
- José Antonio Alzate y Ramírez
- Anaximander
- Henri Andoyer
- Charles Louis François André
- Johannes Angelus
- Anders Jonas Ångström
- Voituret Anthelme
- Antiphon
- Eugène M. Antoniadi
- Peter Apian
- Dominique François Jean Arago
- Aratus of Soli
- Friedrich Wilhelm August Argelander
- Andrea Argoli
- Aristarchus of Samos
- Aristotle
- Aristyllus
- Heinrich Louis d'Arrest
- Asada Gōryū
- Autolycus of Pitane
- Arthur Julius Georg Friedrich von Auwers
- Adrien Auzout
- Wilhelm Heinrich Walter Baade
- Jacques Babinet
- Jöns Oskar Backlund
- Solon Irving Bailey
- Jean-Sylvain Bailly
- Francis Baily
- Thaddeus Banachiewicz
- Ban? M?s?
- Giovanni Antonio Baranzano
- Joseph-Émile Barbier
- Edward Emerson Barnard
- Franciscus Barocius
- Ab? ?Abd All?h Mu?ammad ibn J?bir ibn Sin?n al-Raqq? al-?arr?n? al-??bi? al-Batt?n?
- Johann Bayer
- Wilhelm Beer
- Johann Friedrich Benzenberg
- Torbern Olof Bergman
- Bernard of Le Treille
- Bernardus de Bernard of Verdun
- Jakob Bernoulli
- Johann Bernoulli
- Gasparo Berti
- Friedrich Wilhelm Bessel
- Bh?skara I
- Bh?skara II
- Alexander William Bickerton
- Wilhelm von Biela
- Camille Guillaume Bigourdan
- Jacques de Billy
- John Birmingham
- William Radcliff Birt
- Ab? Ray??n al-B?r?n?
- Ab? Is??q al-Bi?r?j? al-Ishb?l?
- Jacob Aall Bonnevie Bjerknes
- Sergei Nikolaevich Blazhko
- Jean-Baptiste-Gaspard Bochart de Saron
- Johann Elert Bode
- Palm Heinrich Ludwig von Boguslavsky
- Federigo Bonaventura
- George Phillips Bond
- William Cranch Bond
- Giovanni Alfonso Borelli
- Rudjer J. Boškovi?
- Lewis Boss
- Ismael Boulliau
- Edmond Bour
- Alexis Bouvard
- Nathaniel Bowditch
- Ira Sprague Bowen
- James Bradley
- Tycho Brahe
- Brahmadeva
- Brahmagupta
- Heinrich Wilhelm Brandes
- Auguste Bravais
- Fedor Aleksandrovich Bredikhin
- Simon Bredon
- Carl Bremiker
- Otto Rudolf Martin Brendel
- John Brinkley
- Thomas Brisbane
- Pierre René Jean-Baptiste Henri Brocard
- William Robert Brooks
- Dirk Brouwer
- Ernest William Brown
- Karl Christian Bruhns
- Walter Brytte
- Jacques Buot
- Johann Tobias Bürg
- Joost Bürgi
- Thomas Burnet
- Sherburne Wesley Burnham
- Carl Jensen Burrau
- August Ludwig Busch
- Christoph Hendrik Diederik Buys Ballot
- Niccolo Cabeo
- Giuseppe Calandrelli
- Ignazio Calandrelli
- Francisco José de Caldas
- Pierre Jean Octave Callandreau
- Callippus
- Giuseppe Campani
- Campanus of Novara
- William Wallace Campbell
- Charles-Étienne-Louis Camus
- Annie Jump Cannon
- Baldassar Capra
- Richard Christopher Carrington
- Gian Domenico Cassini
- Jacques Cassini
- Jean-Dominique Cassini
- César-François Cassini de Thury
- Benedetto Castelli
- Augustin-Louis Cauchy
- Arthur Cayley
- Anders Celsius
- James Challis
- Thomas Chrowder Chamberlin
- Seth Carlo Chandler
- Jean-Baptiste Chappe D'Auteroche
- Geoffrey Chaucer
- Jean François Chazy
- Temple Chevallier
- Joshua Childrey
- William Henry Mahoney Christie
- Jacob Christmann
- Alexis-Claude Clairaut
- Alvan Clark
- François Auguste Claude
- Thomas Clausen
- Christoph Clavius
- Cleomedes
- José Comas Solá
- Andrew Ainslie Common
- Leslie John Comrie
- George Cary Comstock
- Conon of Samos
- Nicholas Copernicus
- Martín Cortes de Albacar
- Eugène Maurice Pierre Cosserat
- Roger Cotes
- Louis Cotte
- Philip Herbert Cowell
- William Crabtree
- Andrew Claude de la Cherois Crommelin
- Heber Doust Curtis
- Ralph Hamilton Curtiss
- Johann Baptist Cysat
- Joachim Dalencé
- John Dalton
- John Frederic Daniell
- Egnatio Danti
- Patrick D'Arcy
- George Howard Darwin
- Da?abala
- Cunradus Dasypodius
- William Morris Davis
- William Rutter Dawes
- Jean-Baptiste Joseph Delambre
- Warren De La Rue
- Charles-Eugène Delaunay
- Joseph-Nicolas Delisle
- Eugène Joseph Delporte
- Jean André Deluc
- Ercole Dembowski
- Henri Deslandres
- Dinakara
- Achille-Pierre Dionis du Séjour
- Paul Adrien Maurice Dirac
- Jeremiah Dixon
- Giovan Battista Donati
- Giovanni Dondi
- Johann Gabriel Doppelmayr
- Johann Christian Doppler
- Georg Samuel Dörffel
- Dositheus
- Heinrich Wilhelm Dove
- Arthur Matthew Weld Downing
- Henry Draper
- Johann Louis Emil Dreyer
- Andreas Dudith
- Raymond Smith Dugan
- John Charles Duncan
- Nils Christofer Dunér
- Frank Watson Dyson
- Cornelis Easton
- Wallace John Eckert
- Arthur Stanley Eddington
- William Lewis Elkin
- William Ellis
- Pio Emanuelli
- Johann Franz Encke
- Georg Adolph Erman
- Hans Ertel
- Ernest Benjamin Esclangon
- James Pollard Espy
- Euctemon
- Eudoxus of Cnidus
- Leonhard Euler
- Abraham Ben Meir ibn Ezra
- Louis Fabry
- Abu'l-?Abb?s A?mad ibn Mu?ammad ibn Kath?r al-Fargh?n?
- Hervé Faye
- Mu?ammad ibn Ibr?h?m al-Faz?r?
- James Ferguson
- Louis Feuillée
- Oronce Fine
- Thomas Fink
- Robert Fitzroy
- Camille Flammarion
- John Flamsteed
- Williamina Paton Fleming
- Bernard Le Bouyer de Fontenelle
- Jean-Paul Grandjean de Fouchy
- Benjamin Franklin
- Bernard Frenicle De Bessy
- Erwin Finlay Freundlich
- Paolo Frisi
- Edwin Brant Frost
- Jean Fusoris
- Nicolaus Fuss
- Aimable Jean-Baptiste Gaillot
- Galileo Galilei
- Johann Gottfried Galle
- Ga?e?a
- William Gascoigne
- Pierre Gassendi
- Paul Ferdinand Gautier
- Geminus
- Gerard of Silteo
- Giles of Lessines
- Giles of Rome
- David Gill
- James Glaisher
- James Whitbread Lee Glaisher
- Louis Godin
- John Goodricke
- Benjamin Apthorp Gould
- Kasimir Romuald Graff
- David Gregory
- James Gregory
- Francesco Maria Grimaldi
- Federico de Grisogono
- Ernst A. F. W. Grossmann
- Adam Wilhelm Siegmund Guenther
- A?mad ibn ?Abdall?h al-Marwaz? ?abash al-??sib
- Asaph Hall
- Edmond Halley
- Jacob Karl Ernst Halm
- Maurice Théodore Adolphe Hamy
- Julius Ferdinand von Hann
- Peter Andreas Hansen
- Aleksey Pavlovich Hansky
- Christopher Hansteen
- Carl Ludwig Harding
- Haridatta I
- Haridatta II
- William Harkness
- Thomas Harriot
- Johannes Franz Hartmann
- Ernst Hartwig
- Ab? ?Al? al-?asan ibn al-?asan ibn al-Haytham
- Maximilian Hell
- Friedrich Robert Helmert
- Thomas Henderson
- Paul Pierre Henry
- Henry Bate of Malines
- Henry of Hesse
- Heraclides Ponticus
- Hermann the Lame
- Caroline Lucretia Herschel
- John Frederick William Herschel
- William Herschel
- Ejnar Hertzsprung
- Johannes Hevelius
- Hicetas of Syracuse
- Hildegard of Bingen
- George William Hill
- John Russell Hind
- Hipparchus
- Hippocrates of Chios
- Kiyotsugu Hirayama
- Martinus Hoek
- Edward Singleton Holden
- Guido Horn D'Arturo
- Thomas Hornsby
- Christian Horrebow
- Peder Nielsen Horrebow
- Jeremiah Horrocks
- Martinus Hortensius
- Guillaume-Jules Hoüel
- George Washington Hough
- Edwin Powell Hubble
- Leon Hufnagel
- William Joseph Hussey
- Christiaan Huygens
- Hypsicles of Alexandria
- Ibr?h?m ibn Sin?n ibn Th?bit ibn Qurra
- Naum Ilich Idelson
- Robert Thorburn Ayton Innes
- Tadataka In?
- Ab? Mu?ammad J?bir ibn Afla? al-Ishb?l?
- Jagann?tha
- Pierre Jules César Janssen
- al-?Abb?s ibn Sa??d al-Jawhar?
- Jayasi?ha
- Ab? ?Abd All?h Mu?ammad ibn Mu??dh al-Jayy?n?
- James Hopwood Jeans
- Edme-Sébastien Jeaurat
- Thomas Jefferson
- Johannes Lauratius de Fundis
- John of Gmunden
- Johannes de John of Lignères
- John of Murs
- John of Saxony
- John of Sicily
- John Simonis of Selandia
- Manuel John Johnson
- Frederik Kaiser
- Kamal?kara
- Kanaka
- Jacobus Cornelius Kapteyn
- Ghiy?th al-D?n Jamsh?d Mas??d al-K?sh?
- Vladimir Vladimirovich Kavraysky
- Bartholomew Keckermann
- James Edward Keeler
- Johannes Kepler
- Ke?ava
- Shams al-D?n Ab? ?Abdall?h Mu?ammad ibn Mu?ammad al-Khal?l?
- Ghiy?th al-D?n Abu'l- Fath ?Umar ibn Ibr?h?m al-N?s?-B?r? al-Khayy?m?
- Ab? Ja?far Muhammad ibn al-?asan al-Khur?s?n? al-Kh?zin
- Abu'l-Fat? ?Abd al-Ra?m?n al-Kh?zin?
- Ab? Ma?m?d ??mid ibn al-Khi?r al-Khujand?
- Ab? Ja?far Mu?ammad ibn M?s? al-Khw?rizm?
- Hisashi Kimura
- Daniel Kirkwood
- Richard Kirwan
- Hermann Joseph Klein
- Miklós von Konkoly Thege
- Sergey Konstantinovich Kostinsky
- Marian Albertovich Kovalsky
- Chrétien Kramp
- K???a
- Abu' L-?asan al-J?l? Kushy?r ibn Labb?n ibn B?shahr?
- Nicolas-Louis de Lacaille
- Joseph Louis Lagrange
- Gabriel-Philippe de La Hire
- Philippe de La Hire
- Joseph-Jérôme Lefrançais de Lalande
- Lalla
- Johann Heinrich Lambert
- Johann von Lamont
- Michael Florent van Langren
- Philip van Lansberge
- Pierre-Simon Marquis de Laplace
- William Lassell
- L??adeva
- Hans Emil Lau
- João Baptista Lavanha
- Henrietta Swan Leavitt
- Jean Le Fèvre
- Guillaume-Joseph-Hyacinthe- Jean-Baptiste Le Gentil de la Galaisière
- Georges Lemaître
- Pierre-Charles Le Monnier
- Leo the Mathematician
- Charles Le Roy
- Urbain-Jean-Joseph Le Verrier
- Levi Ben Gerson
- Anders Johan Lexell
- Joseph Xaver Liesganig
- Bertil Lindblad
- Bernhard August von Lindenau
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- Bernard Lyot
- Adriaan van Maanen
- Thomas Maclear
- William Duncan Macmillan
- Johann Heinrich Mädler
- Giovanni Antonio Magini
- Mah?deva
- Ab? ?Abd All?h Mu?ammad ibn ??s? al-M?h?n?
- Mahendra S?ri
- Benoît de Maillet
- Abu'l-Q?sim Maslama ibn A?mad al-Fara?? al-Majr?t?
- Makaranda
- Dmitry Dmitrievich Maksutov
- Eustachio Manfredi
- Ab? Na?r Man??r ibn ?Al? ibn ?Ir?q
- Giacomo Filippo Maraldi
- Max Margules
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- Georg Markgraf
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- Nevil Maskelyne
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- Francesco Maurolico
- Antonia Caetana de Paiva Pereira Maury
- Matthew Fontaine Maury
- Christian Mayer
- Johann Tobias Mayer
- Simon Mayr
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- Pedro de Medina
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- Menelaus of Alexandria
- Nicolaus Mercator
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- Meton
- John Michell
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- Edward Arthur Milne
- Henri Mineur
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- Maria Mitchell
- August Ferdinand Möbius
- Henrik Mohn
- Andrija Mohorovi?i?
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- Gerard Moll
- Didrik Magnus Axel Müller
- Karl Brandan Mollweide
- Samuel Molyneux
- William Molyneux
- Geminiano Montanari
- Guidobaldo Monte
- Joseph Haines Moore
- Herbert Rollo Morgan
- Jean-Baptiste Morin
- Ernest Barthélémy Mouchez
- Forest Ray Moulton
- Gabriel Mouton
- Mu?yi 'L-D?n al-maghrib?
- Gustav Müller
- Mun??vara Vi?var?pa
- Muñj?la
- José Celestino Bruno Mutis y Bossio
- N?ge?a
- James Nasmyth
- Abu'l-?Abb?s al-Fa?l ibn ??tim al-Nayr?z?
- Grigory Nikolaevich Neuymin
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- Isaac Newton
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- N?laka??ha
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- Boris Vasilievich Numerov
- Pedro Nuñez Salaciense
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- Samuel Oppenheim
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- Réginald Outhier
- Johann Palisa
- Antonie Pannekoek
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- Parame?vara
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- Pythagoras of Samos
- Q??? Z?da al-R?m?
- Zakariy? ibn Mu?ammad ibn Ma?m?d Ab? Ya?y? al-Qazw?n?
- Ab? Sahl Wayjan ibn Rustam al-Q?h?
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- R?ghav?nanda ?arman
- Ra?gan?tha
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- Henry Chamberlaine Russell
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- Ralph Allen Sampson
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- William Napier Shaw
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- Ab? Sa??d Sin?n ibn Th?bit ibn Qurra
- Willem de Sitter
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- ?r?pati
- Johan Willem Jakob Antoon Stein
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- Stephanus
- Joseph Stepling
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- Friedrich Georg Wilhelm Struve
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- Mikhail Fedorovich Subbotin
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- Karl Frithiof Sundman
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- Ulugh Beg
- ?Umar ibn al-Farrukh?n al-?abar?
- Harold Clayton Urey
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- Lars Vegard
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- Ya?y? ibn Ab? Man??r
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- Yativ??abha
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- Franz Xaver von Zach
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- Niccolò Zucchi
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- Pietro d' Abano
- John Jacob Abel
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- John Dalton
- Henrik Dam
- John Frederic Daniell
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- Charles Derosne
- Alfred-Louis- Olivier Legrand Des Cloizeaux
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- Abich Otto Hermann Wilhelm
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- Beno Gutenberg
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- Robert Abbott Hadfield
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- Wilhelm Karl Haidinger
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- Edmond Halley
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- Alfred Harker
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- Ferdinand Rudolph Hassler
- Gustave Emile Haug
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- Albert Heim
- Albert Arnold Heim
- Weikko Aleksanteri Heiskanen
- Bjørn Helland-Hansen
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- Friedrich Robert Helmert
- Hermann von Helmholtz
- Johann Friedrich Henckel
- Paul Louis Toussaint Héroult
- Harry Hammond Hess
- Johann Friedrich Christian Hessel
- Emil Heyn
- Friedrich Anton von Heynitz
- Urban Hiärne
- Maurice Neville Hill
- Wilhelm Hisinger
- Edward Hitchcock
- Karl Ernst Adolf von Hoff
- Arthur Holmes
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- Leonard Horner
- Douglass Houghton
- William Hume-Rothery
- Thomas Sterry Hunt
- James Hutton
- Carlos Ibáñez E Ibáñez de Ibero
- Joseph Paxson Iddings
- Vincent Charles Illing
- Akitune Imamura
- Arturo Issel
- Auguste Jaccard
- Charles Thomas Jackson
- Thomas Augustus Jaggar
- Robert Jameson
- Antoine Gabriel Jars
- Zay Jeffries
- Albert Johannsen
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- John Joly
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- George Frederick Kay
- Marshall Kay
- Alexandr Andreevich Keyserling
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- David Kirkaldy
- Richard Kirwan
- Pál Kitaibel
- Samuel Howell Knight
- Nikolai Mikhailovich Knipovich
- Adolph Knopf
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- Martin Hans Christian Knudsen
- Miklós von Konkoly Thege
- Bunjiro Koto
- Andrey Nikolaevich Krasnov
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- Cornelis Rudolphus Theodorus Krayenhoff
- Philip Henry Kuenen
- Hisashi Kuno
- Nicolas-Louis de Lacaille
- Alfred Lacroix
- Gabriel-Philippe de La Hire
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- Horace Lamb
- Jean-Claude de Lamétherie
- Michel Ange Lancret
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- Charles Lapworth
- Esper Signius Larsen
- Louis Lartet
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- Petr Petrovich Lazarev
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- Emil Khristianovich Lenz
- Leonardo da Vinci
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- Serve-Dieu Abailard Lévy
- Leonid Samuilovich Leybenzon
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- Benoît de Maillet
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- Charles Victor Mauguin
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- Fielding Bradford Meek
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- Auguste Michel-Lévy
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- Hugh Miller
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- Andrija Mohorovicic
- Carl Friedrich Mohr
- Friedrich Mohs
- Antoine-Grimoald Monnet
- Geminiano Montanari
- Raymond Cecil Moore
- Sir Robert Moray
- Léon Moret
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- Ernest Charles Philippe Auguste Munier-Chalmas
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- Paul Niggli
- Sergey Nikolaevich Nikitin
- Viktor Arsenievich Nikolaev
- Adolf Erik Nordenskiöld
- Vladimir Afanasievich Obruchev
- Carl Ochsenius
- Richard Dixon Oldham
- Thomas Oldham
- Jean Baptiste Julien d' Omalius d'Halloy
- Fusakichi Omori
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- Theodor Ritter von Oppolzer
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- Charles Sanders Peirce
- Albrecht Penck
- Walther Penck
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- Carl F. W. Peters
- Esprit Pezenas
- Max Jakob Pfannenstiel
- John Phillips
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- Albert Marcel Germain René Portevin
- Franz Pošepný
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- Pierre Eugène Marie Joseph Pruvost
- Raphael Pumpelly
- Friedrich Quenstedt
- Jean Baptiste Rames
- Louis François Élisabeth Ramond de Carbonnières
- Andrew Crombie Ramsay
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- Percy Edward Raymond
- Hans Reck
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- Friedrich Adolph Roemer
- Henry Darwin Rogers
- Jean-Baptiste Louis Romé de L'Isle
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- Justus Ludwig Adolph Roth
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- Sato Nobuhiro
- Horace Bénédict de Saussure
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- Hans Schardt
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- Johann Friedrich Julius Schmidt
- Hans Schneiderhöhn
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- William Berryman Scott
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- Marcel Pierre Toussaint de Serres de Mesplès
- Vasily Mikhaylovich Severgin
- Katsutada Sezawa
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- Vladimir Borisovich Shtokman
- Benjamin Silliman
- Benjamin Jr. Silliman
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- Rudolf Staub
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- John Strachey
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- Theophilus
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- Sidney Gilchrist Thomas
- Shihab al-Din Abu' L- ?Abbas A?mad ibn Yusuf al-Tifashi
- Daniel Tilas
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?
- Abu ?amid al-Gharna?i
- ?Imad al-Din Abu'l-Fida? Isma?il ibn ?Ali ibn Ma?mud ibn … Ayyub
- José de Acosta
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- Qu?b al-Din al-Shirazi
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- Shihab al-Din Abu ?Abdallah Yaqut ibn ?Abd Allah Yaqut al-?amawi al-Rumi
?
- Pietro d' Abano
- ?Abbas ibn Firnas
- William de Wiveleslie Abney
- ?Imad al-Din Abu'l-Fida? Isma?il ibn ?Ali ibn Ma?mud ibn … Ayyub
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- Qus?a ibn Luqa al-Ba?labakki
- Abu Mu?ammad ?Abdallah ibn Muslim al-Dinawari al-Jabali ibn Qutayba
- Emanuel Rádl
- Thomas Stamford Bingley Raffles
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- Peter Ramus
- Rudolf Erich Raspe
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- John Ray
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- Ira Remsen
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- Ristoro
- Albert Cherbury David Rivett
- Jean-Baptiste René Robinet
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- Johann Karl Ferdinand Rosenberger
- Roger James Rossiter
- Jean Cyrus Rostand
- Jean Rouelle
- Ferdinand Rudio
- Augustin François César Prouvençal de Saint-Hilaire
- Denys de Sallo
- Ippolito Salviani
- George Alfred Léon Sarton
- Horace Bénédict de Saussure
- Jakob Schegk
- Johann Jakob Scheuchzer
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- Pierre Sigorgne
- Carlos de Sigüenza y Góngora
- Abu ?Ali al-?usayn ibn ?Abdallah ibn Sina
- Sir Hans Sloane
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- Stanislaw Wawrzyniec Staszic
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- Stephen of Antioch
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- Samuel Wesley Stratton
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- Giovanni Targioni Tozzetti
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- Jacob Ben Machir ibn Tibbon
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- Alexander Tilloch
- Amin al-Dawla Abu'l- ?asan Hibat Allah ibn ?a?id ibn al-Tilmidh
- John (c. 1570– 1638) Tradescant
- John (1608–1662) Tradescant
- Gerard Troost
- Johannes Tropfke
- Étienne Léopold Trouvelot
- William (1508–1568) Turner
- William (1832–1916) Turner
- John Tyndall
- Antonio de Ulloa y de la Torre Giral
- José Hipólito Unanue
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- Julien-Joseph Virey
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- John Wesley Young
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- Vasily Pavlovich Zubov
?
- John Jacob Abel
- Othenio Abel
- Erik Acharius
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- Jean Louis Rodolphe Agassiz
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- Aristotle
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- Boris L'Vovich Astaurov
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- Jean Victor Audouin
- John James Audubon
- Oswald T. Avery
- ?Awwam Abu Zakariyya Ya?ya ibn Mu?ammad ibn al-
- Ernest Brown Babcock
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- Francesco Bassani
- Agostino Maria Bassi
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- Henry Charlton Bastian
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- Frederick Charles Bawden
- Leonard Ernest Bayliss
- William Maddock Bayliss
- ?iya? al-din Abu Mu?hammad ?Abdallah ibn A?mad ibn al-Bay?ar al-Malaqi
- William Beaumont
- Nello Beccari
- Pierre Jacques Antoine Béchamp
- Paul Becquerel
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- Georg von Békésy
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- Pierre Belon
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- Lodewijk Bolk
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- Lucien Jules Laurent Bonaparte
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- Jagadischandra Bose
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- Douglas Houghton Campbell
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- Marcel Pierre Toussaint de Serres de Mesplès
- Olivier de Serres
- Enrico Sertoli
- Michael Servetus
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- William Sharpey
- Edward Albert Sharpey-Schäfer
- Robert Sharrock
- Victor Ernest Shelford
- Mikhail Mikhailovich Shemiakin
- Philip MacDonald Sheppard
- William Sherard
- Ivan Ivanovich Shmalhauzen
- Yuly Mikhaylovich Shokalsky
- Vladimir Borisovich Shtokman
- Aaron Franklin Shull
- Carl Theodor Ernst von Siebold
- Michal Siedlecki
- Edward Smith
- Erwin Frink Smith
- Homer William Smith
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- Philip Edward Smith
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- Theobald Smith
- Wilson Smith
- Samuel Thomas Soemmerring
- William Johnson Sollas
- Tracy Morton Sonneborn
- Henry Clifton Sorby
- Louis-François-Auguste Souleyet
- Lazzaro Spallanzani
- Hans Spemann
- Herbert Spencer
- Adriaan van den Spiegel
- Johann Baptist von Spix
- Christian Konrad Sprengel
- Kurt Polycarp Joachim Sprengel
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- Abu'l-?asan A?mad ibn Mu?ammad al-?abari
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- Johann August Unzer
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- Wilhelm Weinberg
- August Friedrich Leopold Weismann
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- William Charles Wells
- Gottfried Wendelin
- Friedrich August Ferdinand Christian Went
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- Robert Parr Whitfield
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- Melchior Wieland
- Julius von Wiesner
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- Johann Bernhard Wilbrand
- Karl Ludwig Willdenow
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- William Crawford Williamson
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- Jacob Winsløw
- Caspar Wistar
- Henry Witham
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- Almroth Edward Wright
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- Adam Zalužanský Ze Zalužan
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- Aleksey Alekseevich Zavarzin
- René Charles Zeiller
- Walter Zimmermann
- Hans Zinsser
- Karl Alfred von Zittel
- Nikolay Nikolaevich Zubov
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- Niels Henrik Abel
- Abraham Bar ?iyya Ha-Nasi
- Abu Kamil Shuja? ibn Aslam ibn Mu?ammad ibn Shuja?
- Mu?ammad ibn Mu?ammad ibn Ya?ya ibn Isma?il ibn al-?Abbas Abu'l-Wafa? al-Buzjani
- John Couch Adams
- Adelard of Bath
- Robert Adrain
- Franz Ulrich Theodosius Aepinus
- Maria Gaetana Agnesi
- François d' Aguilon
- Ahmad ibn Yusuf
- Aida Yasuaki
- Ajima Naonobu
- Naum Il'ich Akhiezer
- Abraham Adrian Albert
- Albert of Saxony
- Leone Battista Alberti
- Pavel Sergeevich Aleksandrov
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- José Antonio Alzate y Ramírez
- André-Marie Ampère
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- Anatolius of Alexandria
- Oskar Johann Viktor Anderson
- Henri Andoyer
- Stefano Degli Angeli
- Anthemius of Tralles
- Antiphon
- Apollonius of Perga
- Paul Appell
- Louis François Antoine Arbogast
- John Arbuthnot
- Archimedes
- Archytas of Tarentum
- Jean Robert Argand
- Aristaeus
- Aristarchus of Samos
- Antoine Arnauld
- Siegfried Heinrich Aronhold
- Emil Artin
- George Atwood
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- Adrien Auzout
- Félix de Azara
- Charles Babbage
- Louis Bachelier
- Claude- Gaspar Bachet De Méziriac
- Paul Gustav Heinrich Bachmann
- Abu Man?ur ?Abd al-Qahir ibn ?ahir ibn Mu?ammad ibn ?Abdallah al–Tamimi al-Shafi?i al-Baghdadi
- René Louis Baire
- Balbus
- Johann Jakob Balmer
- Stefan Banach
- Banna? al-Marrakushi ibn al-
- Banu Musa
- Joseph-Émile Barbier
- Peter Barlow
- Franciscus Barocius
- Isaac Barrow
- Erasmus Bartholin
- Harry Bateman
- Abu ?Abd Allah Mu?ammad ibn Jabir ibn Sinan al-Raqqi al-?arrani al–?abi? al-Battani
- Thomas Bayes
- Jean Beaugrand
- Eric Temple Bell
- Giusto Bellavitis
- Eugenio Beltrami
- Giovanni Battista Benedetti
- Stefan Bergman
- Paul Isaac Bernays
- Daniel Bernoulli
- Jakob I Bernoulli
- Jakob II Bernoulli
- Johann I Bernoulli
- Johann II Bernoulli
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- Nikolaus I Bernoulli
- Nikolaus II Bernoulli
- Felix Bernstein
- Sergey Natanovich Bernstein
- Eugenio Bertini
- Joseph Louis François Bertrand
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- Abram Samoilovitch Besicovitch
- Friedrich Wilhelm Bessel
- Enrico Betti
- Étienne Bezout
- Bhaskara II
- Luigi Bianchi
- Irénée-Jules Bienaymé
- Jacques de Billy
- John Bird
- George David Birkhoff
- Abu Ray?an al-Biruni
- Carl Anton Bjerknes
- Wilhelm Johann Eugen Blaschke
- Hans Frederick Blichfeldt
- Gilbert Ames Bliss
- Étienne Bobillier
- Maxime Bôcher
- Salomon Bochner
- Anicius Manlius Severinus Boethius
- Piers Bohl
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- Farkas Bolyai
- János Bolyai
- Oskar Bolza
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- Pierre-Ossian Bonnet
- George Boole
- Carl Wilhelm Borchardt
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- Karol Borsuk
- Ladislaus Bortkiewicz
- Ettore Bortolotti
- Rudjer J. Boškovic
- Abraham Bosse
- Charles Bossut
- Louis Antoine de Bougainville
- Ismael Boulliau
- Jean-Claude Bouquet
- Edmond Bour
- Pierre Léon Boutroux
- Charles Bouvelles
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- Thomas Bradwardine
- William Braikenridge
- Benjamin Bramer
- Nikolai Dmitrievich Brashman
- Richard Dagobert Brauer
- Simon Bredon
- Jean Jacques Bret
- Charles-Julien Brianchon
- Henry Briggs
- Alexander Wilhelm von Brill
- Marcel Louis Brillouin
- Erland Samuel Bring
- John Brinkley
- Francesco Brioschi
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- Barnabé Brisson
- Pierre René Jean- Baptiste Henri Brocard
- Thomas John I'Anson Bromwich
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- Luitzen Egbertus Jan Brouwer
- Jan Brozek
- Filippo Brunelleschi
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- Ferdinand François Désiré Budan de Boislaurent
- Nicolay Vasilievich Bugaev
- Keith Edward Bullen
- Viktor Yakovlevich Bunyakovsky
- Jacques Buot
- Cesare Burali-Forti
- Joost Bürgi
- William Burnside
- Carl Jensen Burrau
- Johannes Buteo
- Niccolo Cabeo
- Ignazio Calandrelli
- Callippus
- Campanus of Novara
- Charles-Étienne-Louis Camus
- Georg Cantor
- Moritz Benedikt Cantor
- Juan Caramuel y Lobkowitz
- Constantin Carathéodory
- Pierre de Carcavi
- Girolamo Cardano
- Lazare-Nicolas- Marguerite Carnot
- Élie Cartan
- Louis-Bertrand Castel
- Guido Castelnuovo
- Johann Castillon
- Pietro Antonio Cataldi
- Augustin-Louis Cauchy
- Bonaventura Cavalieri
- Arthur Cayley
- Eduard Cech
- Ernesto Cesàro
- Ludolph van Ceulen
- Giovanni Ceva
- Tomasso Ceva
- Sergei Alekseevich Chaplygin
- Michel Chasles
- Nikolai Grigorievich Chebotaryov
- Pafnuty Lvovich Chebyshev
- George Cheyne
- Ch'in Chiu-Shao
- Jacob Christmann
- Elwin Bruno Christoffel
- George Chrystal
- Nicolas Chuquet
- Chu Shih-Chieh
- Pedro Ciruelo
- Alexis-Claude Clairaut
- Samuel Clarke
- Thomas Clausen
- Christoph Clavius
- Rudolf Friedrich Alfred Clebsch
- William Kingdon Clifford
- William Gemmell Cochran
- Delfino Codazzi
- Frank Nelson Cole
- John Collins
- Federico Commandino
- Isidore Auguste Marie François Xavier Comte
- Marie-Jean-Antoine- Nicolas Caritat Condorcet
- Conon of Samos
- Julian Lowell Coolidge
- Eugène Maurice Pierre Cosserat
- Roger Cotes
- Antoine-Augustin Cournot
- Louis Couturat
- John Craig
- Gabriel Cramer
- August Leopold Crelle
- Antonio Luigi Gaudenzio Giuseppe Cremona
- Jean-Pierre de Crousaz
- José Anastácio da Cunha
- E. L. W. Maximilian Curtze
- Nicholas von Cusa
- Germinal Pierre Dandelin
- Egnatio Danti
- David van Dantzig
- Jean-Gaston Darboux
- Patrick D'Arcy
- Charles Galton Darwin
- George Howard Darwin
- Cunradus Dasypodius
- Harold Davenport
- August Yulevich Davidov
- Florimond Debeaune
- Claude François Milliet Dechales
- Richard Dedekind
- John Dee
- Johannes De Groot
- Max Dehn
- Richard Delamain
- Jean Frédéric Auguste Delsarte
- Democritus
- Augustus De Morgan
- Arnaud Denjoy
- Antoine Deparcieux
- Girard Desargues
- René du Perron Descartes
- Leonard Eugene Dickson
- Samuel Dickstein
- Leonard Digges
- Thomas Digges
- Ulisse Dini
- Dinostratus
- Diocles
- Achille-Pierre Dionis du Séjour
- Dionysodorus
- Diophantus of Alexandria
- Gustav Peter Lejeune Dirichlet
- Charles Lutwidge Dodgson
- Dominicus de Dominicus de Clavasio
- Domninus of Larissa
- Johann Gabriel Doppelmayr
- Johann Christian Doppler
- Dositheus
- Jesse Douglas
- Jules Joseph Drach
- Paul David Gustav Du Bois–Reymond
- Andreas Dudith
- Jean-Marie-Constant Duhamel
- Pierre-Charles-François Dupin
- Athanase Louis Victoire Dupré
- Albrecht Dürer
- Walther Franz Anton von Dyck
- Dimitrii Fedorovich Egorov
- Charles Ehresmann
- Luther Pfahler Eisenhart
- Ferdinand Gotthold Max Eisenstein
- Friedrich Engel
- Federigo Enriques
- Eratosthenes
- Arthur Erdélyi
- Ernest Benjamin Esclangon
- Euclid
- Eudoxus of Cnidus
- Leonhard Euler
- Eutocius of Ascalon
- Griffith Conrad Evans
- Abraham Ben Meir ibn Ezra
- Honoré Fabri
- Giovanni Francesco Fagnano dei Toschi
- Giulio Carlo Fagnano dei Toschi
- Gino Fano
- John Farrar
- Pierre Joseph Louis Fatou
- Johann Faulhaber
- Georg Feigl
- Lipót Fejér
- William Feller
- Pierre de Fermat
- Ludovico Ferrari
- William Ferrel
- Scipione dal Ferro
- Karl Wilhelm Feuerbach
- Leonardo Fibonacci
- John Charles Fields
- Henry Burchard Fine
- Oronce Fine
- Thomas Fink
- Ronald Aylmer Fisher
- Alexis Fontaine
- Bernard Le Bouyer de Fontenelle
- Andrew Russell Forsyth
- Jean-Baptiste-Joseph Fourier
- Adolf Abraham Fraenkel
- François Français
- Jacques Frédéric Français
- Piero della Francesca
- Philipp Frank
- René Maurice Fréchet
- Ivar Fredholm
- Friedrich Ludwig Gottlob Frege
- Jean-Frédéric Frenet
- Bernard Frenicle De Bessy
- Aleksandr Aleksandrovich Friedman
- Jakob Friedrich Fries
- Paolo Frisi
- Georg Ferdinand Frobenius
- Guido Fubini
- Immanuel Lazarus Fuchs
- Karl Rudolf Fueter
- Nicolaus Fuss
- Evgraf Stepanovich Fyodorov
- Boris Grigorievich Galerkin
- Evariste Galois
- Francis Galton
- Carl Friedrich Gauss
- Karl Friedrich Geiser
- Alexandr Osipovich Gelfond
- Henry Gellibrand
- Geminus
- Reiner Gemma Frisius
- Gerhard Gentzen
- Gerard of Brussels
- Gerbert d' Gerbert
- Joseph Diaz Gergonne
- Sophie Germain
- Marino Ghetaldi
- Giovanni Giorgi
- Albert Girard
- James Whitbread Lee Glaisher
- Kurt Friedrich Gödel
- Christian Goldbach
- Benjamin Gompertz
- Adolph Göpel
- Paul Albert Gordan
- William Sealy Gosset
- Édouard Jean-Baptiste Goursat
- Karl Heinrich Gräffe
- Guido Grandi
- Hermann Günther Grassmann
- John Graunt
- Dmitry Aleksandrovich Grave
- Willem Jacob 's Gravesande
- George Green
- David Gregory
- Duncan Farquharson Gregory
- James Gregory
- Olinthus Gilbert Gregory
- Marcel Grossmann
- Jean Paul Gua de Malves
- Giovanni Battista Guccia
- Christoph Gudermann
- Adam Wilhelm Siegmund Guenther
- Paul Guldin
- Allvar Gullstrand
- Edmund Gunter
- Alfréd Haar
- A?mad ibn ?Abdallah al-Marwazi ?abash al-?asib
- Jean Nicolas Pierre Hachette
- Jacques Hadamard
- Georges-Henri Halphen
- George Bruce Halsted
- William Rowan Hamilton
- Hermann Hankel
- Claude Hardy
- Godfrey Harold Hardy
- Harish-Chandra
- Thomas Harriot
- Georg Hartmann
- Johannes Hartmann
- Douglas Rayner Hartree
- Helmut Hasse
- Felix Hausdorff
- Abu ?Ali al-?asan ibn al-?asan ibn al-Haytham
- Thomas Little Heath
- Daniel Friedrich Hecht
- Erich Hecke
- Hans Arnold Heilbronn
- Heinrich Eduard Heine
- Ernst Hellinger
- Eduard Helly
- Denis Henrion
- Kurt Hensel
- Jacques Herbrand
- Pierre Hérigone
- Jakob Hermann
- Hermann the Lame
- Charles Hermite
- Hero of Alexandria
- Ludwig Otto Hesse
- Hendrik van Heuraet
- Arend Heyting
- David Hilbert
- George William Hill
- Lester Sanders Hill
- Carl Friedrich Hindenburg
- Hipparchus
- Hippias of Elis
- Hippocrates of Chios
- Thomas Hobbes
- Ernest William Hobson
- William Vallance Douglas Hodge
- Eaton Hodgkinson
- Józef Maria Hoëné-Wronski
- Otto Ludwig Hölder
- Bernt Michael Holmboe
- Heinz Hopf
- William Hopkins
- William George Horner
- Guillaume-Jules Hoüel
- Jan Hudde
- Hugh of St. Victor
- Marie-Georges Humbert
- Pierre Humbert
- Edward Vermilye Huntington
- Witold Hurewicz
- Adolf Hurwitz
- Charles Hutton
- Christiaan Huygens
- Hypatia
- Hypsicles of Alexandria
- Ibrahim ibn Sinan ibn Thabit ibn Qurra
- Isidorus of Miletus
- James Ivory
- Abu Mu?ammad Jabir ibn Afla? al-Ishbili
- Carl Gustav Jacob Jacobi
- Jagannatha
- Zygmunt Janiszewski
- al-?Abbas ibn Sa?id al-Jawhari
- Abu ?Abd Allah Mu?ammad ibn Mu?adh al-Jayyani
- Johan Ludvig William Valdemar Jensen
- George Birch Jerrard
- Ferdinand Joachimsthal
- John of Gmunden
- Johannes de John of Lignères
- John of Murs
- William Jones
- Ernest Jean Philippe Fauque de Jonquières
- Camille Jordan
- Jordanus de Nemore
- Sophus Christian Juel
- Joachim Jungius
- Abraham Gotthelf Kaestner
- Benjamin Fedorovich Kagan
- László Kalmár
- Theodor Franz Eduard Kaluza
- Kamal al-Din Abu'l ?asan Mu?ammad ibn al-?asan al-Farisi
- Abu Bakr ibn Mu?ammad ibn al ?usayn al-Karaji
- Ghiyath al-Din Jamshid Mas?ud al-Kashi
- Bartholomew Keckermann
- John Keill
- Béla Kerékjártó
- John Maynard Keynes
- Shams al-Din Abu ?Abdallah Mu?ammad ibn Mu?ammad al-Khalili
- Ghiyath al-Din Abu'l- Fath ?Umar ibn Ibrahim al-Nisa-Buri al-Khayyami
- Abu Ja?far Muhammad ibn al-?asan al-Khurasani al-Khazin
- Aleksandr Yakovlevich Khinchin
- Abu Ma?mud ?amid ibn al-Khi?r al-Khujandi
- Abu Ja?far Mu?ammad ibn Musa al-Khwarizmi
- Thomas Penyngton Kirkman
- Christian Felix Klein
- Georg Simon Klügel
- Adolf Kneser
- Konrad Knopp
- Jacob Köbel
- Helge von Koch
- Nikolai Yevgrafovich Kochin
- Paul Koebe
- Johann Samuel Koenig
- Julius Koenig
- Gabriel Koenigs
- Gury Vasilievich Kolosov
- Leo Königsberger
- Diederik Johannes Korteweg
- Aleksandr Petrovich Kotelnikov
- Sonya Kovalevsky
- Jens Kraft
- Chrétien Kramp
- Theodosy Nicolaevich Krasovsky
- Leopold Kronecker
- Wolfgang Krull
- Aleksei Nikolaevich Krylov
- Nikolai Mitrofanovich Krylov
- Ernst Eduard Kummer
- Kazimierz Kuratowski
- József Kürschák
- Abu' L-?asan al-Jili Kushyar ibn Labban ibn Bashahri
- Charles-Marie de La Condamine
- Sylvestre François Lacroix
- Charles de La Faille
- Thomas Fantet de Lagny
- Joseph Louis Lagrange
- Edmond Nicolas Laguerre
- Philippe de La Hire
- Antoine de Lalouvère
- Horace Lamb
- Johann Heinrich Lambert
- Gabriel Lamé
- Bernard Lamy
- Michel Ange Lancret
- Edmund Landau
- John Landen
- Georg Landsberg
- Philip van Lansberge
- Pierre-Simon Marquis de Laplace
- Estienne de La Roche
- Matthieu Paul Hermann Laurent
- Pierre Alphonse Laurent
- João Baptista Lavanha
- Gaspar Lax
- Henri Léon Lebesgue
- Solomon Lefschetz
- Adrien-Marie Legendre
- Gottfried Wilhelm Leibniz
- Émile Michel Hyacinthe Lemoine
- Leo
- Leo the Mathematician
- Leodamas of Thasos
- Leonardo da Vinci
- Constantin Le Paige
- Jacques-François Le Poivre
- Mathias Lerch
- Édouard Le Roy
- Stanislaw Lesniewski
- Jacques-Alexandre Le Tenneur
- Jean Leurechon
- Levi Ben Gerson
- Tullio Levi-Civita
- Norman Levinson
- Maurice Lévy
- Anders Johan Lexell
- Guillaume-François- Antoine de L'Hospital
- Simon-Antoine-Jean L'Huillier
- Li Chih
- Marius Sophus Lie
- Ernst Leonhard Lindelöf
- Carl Louis Ferdinand Lindemann
- Iurii Vladimirovich Linnik
- Joseph Liouville
- Rudolf Otto Sigismund Lipschitz
- John Edensor Littlewood
- Liu Hui
- Nikolai Ivanovich Lobachevsky
- Charles Loewner
- Alfred Loewy
- Elias Loomis
- Gino Loria
- Alfred James Lotka
- Augustus Edward Hough Love
- Leopold Löwenheim
- François-Édouard- Anatole Lucas
- Jakob Lueroth
- Jan Lukasiewicz
- Nikolai Nikolaievich Luzin
- Aleksandr Mikhailovich Lyapunov
- Francis Sowerby Macaulay
- Hugh McColl
- Colin Maclaurin
- Percy Alexander MacMahon
- William Duncan Macmillan
- Giovanni Antonio Magini
- Leonty Filippovich Magnitsky
- Abu ?Abd Allah Mu?ammad ibn ?Isa al-Mahani
- Mahavira
- John Maior
- Gian Francesco Malfatti
- Anatoly Ivanovich Maltsev
- Victor Mayer Amédée Mannheim
- Paul Mansion
- Abu Na?r Man?ur ibn ?Ali ibn ?Iraq
- Johannes Marcus Marci of Kronland
- Andrei Andreevich Markov
- Lorenzo Mascheroni
- Francis Maseres
- George Ballard Mathews
- Émile Léonard Mathieu
- Pierre Louis Moreau de Maupertuis
- Francesco Maurolico
- Christian Gustav Adolph Mayer
- Stefan Mazurkiewicz
- Francisco de Mello
- Luigi Federico Menabrea
- Menaechmus
- Menelaus of Alexandria
- Pietro Mengoli
- Hugues Charles Robert Méray
- Nicolaus Mercator
- Ivan Vsevolodovich Meshchersky
- Adriaen Metius
- Jean- Baptiste-Marie-Charles Meusnier de la Place
- Wilhelm Franz Meyer
- Gaston Milhaud
- George Abram Miller
- Ernst Ferdinand Adolf Minding
- Henri Mineur
- Hermann Minkowski
- Richard von Mises
- Magnus Gustaf Mittag-Leffler
- August Ferdinand Möbius
- William of Moerbeke
- Georg Mohr
- Nikolay Dmitrievich Moiseev
- Abraham de Moivre
- Fedor Eduardovich Molin
- Karl Brandan Mollweide
- Gaspard Monge
- Guidobaldo Monte
- Paul Montel
- Pierre Rémond de Montmort
- Jean Étienne Montucla
- Eliakim Hastings Moore
- Robert Lee Moore
- Louis Joel Mordell
- Samuel Morland
- Andrzej Mostowski
- Ruth Moufang
- Forest Ray Moulton
- Théodore Florentin Moutard
- Gabriel Mouton
- Mu?yi 'L-Din al-maghribi
- Munisvara Visvarupa
- Claude Mydorge
- Claude Mylon
- Mark Aronovich Naimark
- Edward Nairne
- John Napier
- Naraya?a
- ?Ali ibn A?mad al-Nasawi
- Abu'l-?Abbas al-Fa?l ibn ?atim al-Nayrizi
- Michael Neander
- Aleksandr Ivanovich Nekrasov
- Eugen Netto
- Joseph Neuberg
- Carl Gottfried Neumann
- Franz Ernst Neumann
- Rolf Herman Nevanlinna
- Hubert Anson Newton
- Isaac Newton
- Jerzy Neyman
- Jean-François Niceron
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- Galen
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- Rabbi Moses Ben Maimon Maimonides
- Abu'l-?asan ?Ali ibn ?Abbas al-Majusi
- Franklin Paine Mall
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- Charles Sedgwick Minot
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- Nicolás Bautista Monardes
- Mondino de'Luzzi
- Alexander (1697–1767) Monro
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- Giovanni Battista Morgagni
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- ?Ala? al-Din Abu 'L-?asan ?Ali ibn Abi ?L-?azm al-Qurashi ibn al-Nafis
- Michael Neander
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- Nemesius
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- Michael de Nostradamus
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- Philinus of Cos
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- Arcangelo Piccolomini
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- Amin al-Dawlah Abu al-Faraj ibn Muwaffaq al-Din Ya?Qub ibn Is?aq al-Masihi al-Karaki ibn al-Quff
- Qus?a ibn Luqa al-Ba?labakki
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- Carlo Ruini
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- Girolamo Ruscelli
- Benjamin Rush
- Abu'l-Walid Mu?ammad ibn A?mad ibn Mu?ammad ibn Rushd
- Frederik Ruysch
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- Najib al-Din Abu ?amid Mu?ammad ibn ?Ali ibn ?Umar al-Samarqandi
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- Aleksandr Filippovich Samoylov
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- William Sharpey
- Philip MacDonald Sheppard
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- Michal Siedlecki
- Joseph- Aignan Sigaud de Lafond
- Abu ?Ali al-?usayn ibn ?Abdallah ibn Sina
- Abu Sa?id Sinan ibn Thabit ibn Qurra
- Josef Škoda
- Konstantin Ivanovich Skryabin
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- Soranus of Ephesus
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- Alexander Suchten
- Karl Friedrich Jakob Sudhoff
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- Gerard van Swieten
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- Franciscus Dele Boë Sylvius
- Abu'l-?asan A?mad ibn Mu?ammad al-?abari
- Abu'l-?asan ?Ali ibn Sahl Rabban al-?abari
- John Tabor
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- al-?abi? al-?arrani Thabit ibn Qurra
- William Sydney Thayer
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- Friedrich Tiedemann
- Amin al-Dawla Abu'l- ?asan Hibat Allah ibn ?a?id ibn al-Tilmidh
- Marcantonio della Torre
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- Joseph Pitton de Tournefort
- Joseph Townsend
- Michele Troja
- Johann Bartholomäus Trommsdorff
- Giovanni Trulli
- Abu Bakr Mu?ammad ibn ?ufayl
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- William (1832–1916) Turner
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- Giovanni da Vigo
- Rudolf Carl Virchow
- Carl Vogt
- Heinrich Wilhelm Ferdinand Wackenroder
- Abu al-Mu?arrif ?Abd al-Ra?man ibn Wafid
- Rudolph Wagner
- Julius Wagner von Jauregg
- Abu Bakr A?mad ibn ?Ali ibn al-Mukhtar ibn Wa?shiyya
- Selman Abraham Waksman
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- Hsien Wu
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- Alexandre Yersin
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- Giuseppe Zambeccari
- Hans Zinsser
- Abu Marwan ?Abd al-Malik ibn Abi'l-?Ala? ibn Zuhr
- Johann Zwelfer
?
- Pierre Abailard
- Pietro d' Abano
- Hibat Allah Abu'l-Barakāt al-Baghdādī
- Jaʿfar ibn Muḥammad Abū Maʿshar al-Balkhī
- Michel Adanson
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- Giovanni Antonio Baranzano
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- the Venerable Bede
- Robert Bellarmine
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- Firmicus Maternus
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- Arend Heyting
- Ibn Hibintā
- Hippias of Elis
- Thomas Hobbes
- Józef Maria Hoëné-Wroński
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- Abū Zayd Ḥunayn ibn Isḥāq al-ʿIbādī
- James Hutton
- Hypatia
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- Ghiyāth al-Dīn Abu'l- Fath ʿUmar ibn Ibrāhīm al-Nīsā-Būrī al-Khayyāmī
- Heinrich Khunrath
- Abū Yūsuf Yaʿqūb ibn Isḥāq al-Ṣabbāḥ al-Kindī
- Cargill Gilston Knott
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- Jean-Claude de Lamétherie
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- Lorenz Oken
- Nicole Oresme
- Andreas Osiander
- William Paley
- Theophrastus Philippus Aureolus Bombastus von Hohenheim Paracelsus
- Parmenides of Elea
- Blaise Pascal
- Francesco Patrizi
- Paul of Alexandria
- Paul of Venice
- Giuseppe Peano
- Charles Sanders Peirce
- Benedictus Pereira
- Pseudo- Petosiris
- Philolaus of Crotona
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- Plato of Tivoli
- Plotinus
- Mihály Polányi
- Pierre Polinière
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- Posidonius
- Emil Leon Post
- Isaac-Bénédict Prévost
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- Proclus
- Michael Psellus
- Pythagoras of Samos
- Abū al-Ṣaqr ʿAbd al-ʿAzīz ibn ʿUthmān ibn ʿAlī al-Qabīṣī
- Amīn al-Dawlah Abū al-Faraj ibn Muwaffaq al-Dīn YaʿQūb ibn Isḥāq al-Masīhī al-Karakī ibn al-Quff
- Quṭb al-Dīn al-Shīrāzī
- Emanuel Rádl
- Peter Ramus
- Abū Bakr Muḥammad ibn Zakariyyā al-Rāzī
- Hans Reichenbach
- Abel Rey
- David Rittenhouse
- Jean-Baptiste René Robinet
- Abraham Robinson
- Roger of Hereford
- Jacques Rohault
- Lawrence Rooke
- John Rowning
- Paolo Ruffini
- Abu'l-Walīd Muḥammad ibn Aḥmad ibn Muḥammad ibn Rushd
- Armand Sabatier
- Shams al-Dīn Muḥammad ibn Ashraf al-Ḥusaynī al-Samarqandī
- Francisco Sanchez
- Paolo Sarpi
- Leonard Jimmie Savage
- Julius Caesar Scaliger
- Jakob Schegk
- Frederick Wilhelm Joseph von Schelling
- Wilhelm Schickard
- Friedrich Albert Schlick
- Michael Servetus
- Sextus Empiricus
- Anania Shirakatsí
- Tadao Shizuki
- Siger of Brabant
- Abū Saʿīd Aḥmad ibn Muḥammad ibn ʿAbd al-Jalīl al-Sijzī
- Simon de Phares
- Simplicius
- Abū ʿAlī al-Ḥusayn ibn ʿAbdallāh ibn Sīnā
- Domingo de Soto
- Herbert Spencer
- Speusippus
- Sphujidhvaja
- Śrīpati
- Johann Bernhard Stallo
- Stephanus of Alexandria
- Matthew Stewart
- Michael Stifel
- Strato of Lampsacus
- Emanuel Swedenborg
- Richard Swineshead
- Abu'l-Ḥasan Aḥmad ibn Muḥammad al-Ṭabarī
- Abu'l-Ḥasan ʿAlī ibn Sahl Rabbān al-Ṭabarī
- Bernardino Telesio
- al-Ṣābiʾ al-Ḥarrānī Thābit ibn Qurra
- Thales
- Themistius
- Theophrastus
- Melchisédech Thévenot
- Thierry of Chartres
- Thomas Thomas of Cantimpré
- Moses Ben Samuel ibn Tibbon
- Alexander Tilloch
- Amīn al-Dawla Abu'l- Ḥasan Hibat Allāh ibn Ṣaʿīd ibn al-Tilmīdh
- Richard Towneley
- Ehrenfried Walther Tschirnhaus
- Abū Bakr Muḥammad ibn Ṭufayl
- Cuthbert Tunstall
- Anne-Robert-Jacques Turgot
- Muḥammad ibn Muḥammad ibn al-Ḥasan al-Ṭūsī
- John Tyndall
- Ulrich of Strasbourg
- ʿUmar ibn al-Farrukhān al-Ṭabarī
- Giovanni Vailati
- Giulio Cesare Vanini
- Varāhamihira
- John Venn
- Julien-Joseph Virey
- Juan Luis Vives
- Paul Oskar Eduard Volkmann
- Vito Volterra
- Abū Bakr Aḥmad ibn ʿAlī ibn al-Mukhtār ibn Waḥshiyya
- Johann Ernst Immanuel Walch
- Valentin Weigel
- William Charles Wells
- Richard Whately
- William Whewell
- Thomas White
- Alfred North Whitehead
- Edmund Taylor Whittaker
- Wilhelm Carl Werner Otto Fritz Franz Wien
- Ludwig Christian Wiener
- John Wilkins
- William of Auvergne
- William of Sherwood
- William the Englishman
- John Winthrop
- Witelo
- Ludwig Wittgenstein
- Christian Wolff
- Xenocrates of Chalcedon
- Xenophanes
- Yavaneśvara
- Thomas Young
- Jacopo Zabarella
- Abraham Bar Samuel Bar Abraham Zacuto
- Zeno of Citium
- Zeno of Elea
- Zeno of Sidon
?
- Ernst Abbe
- Max Abraham
- Hibat Allah Abu'l-Barakāt al-Baghdādī
- Franz Karl Achard
- Leason Heberling Adams
- Walter Sydney Adams
- Franz Ulrich Theodosius Aepinus
- François d' Aguilon
- Albert of Saxony
- Leone Battista Alberti
- Giovanni Aldini
- Jean Le Rond d' Alembert
- Abram Isaakovich Alikhanov
- Samuel King Allison
- Émile Amagat
- Joseph Sweetman Ames
- Giovan Battista Amici
- Guillaume Amontons
- André-Marie Ampère
- Nikolai Nikolaevich Andreev
- Aleksandr Aleksandrovich Andronov
- Stefano Degli Angeli
- Anders Jonas Ångström
- Paul Appell
- Edward Victor Appleton
- Dominique François Jean Arago
- Archytas of Tarentum
- Aristotle
- Aristoxenus
- Vladimir Konstantinovich Arkadiev
- Harold De Forest Arnold
- Svante August Arrhenius
- Lev Andreevich Artsimovich
- William Thomas Astbury
- Francis William Aston
- George Atwood
- Louis Winslow Austin
- Adrien Auzout
- Amedeo Avogadro
- Jacques Babinet
- Alexander Dallas Bache
- Ernst E. A. Back
- Roger Bacon
- Richard McLean Badger
- Francis Baily
- Giovanni Battista Baliani
- Johann Jakob Balmer
- Heinrich Georg Barkhausen
- Charles Glover Barkla
- Peter Barlow
- William Barlow
- Howard Turner Barnes
- Isaac Barrow
- Julius Bartels
- Erasmus Bartholin
- Daniello Bartoli
- Carl Barus
- Harry Bateman
- Leslie Fleetwood Bates
- Edmond Bauer
- Louis Agricola Bauer
- Giambatista Beccaria
- Alexandre-Edmond Becquerel
- Antoine-César Becquerel
- Henri Becquerel
- Jean Antoine Edmond Marie Becquerel
- Isaac Beeckman
- Angelo Bellani
- Aristarkh Apollonovich Belopolsky
- Nikolai Vasil'evich Belov
- Giovanni Battista Benedetti
- Justin-Mirande René Benoit
- Johann Friedrich Benzenberg
- Hans Berger
- Torbern Olof Bergman
- Claude Guillermet de Bérigard
- Lloyd Viel Berkner
- John Desmond Bernal
- Daniel Bernoulli
- Pierre Bertholon
- Gasparo Berti
- Augustin de Betancourt y Molina
- Homi Jehangir Bhabha
- Czesław Białobrzeski
- Jean-Baptiste Biot
- John Bird
- Raymond Thayer Birge
- Carl Anton Bjerknes
- Vilhelm Frimann Koren Bjerknes
- Niels Janniksen Bjerrum
- Joseph Black
- André Eugène Blondel
- René-Prosper Blondlot
- Anicius Manlius Severinus Boethius
- Niels Henrik David Bohr
- Bertram Borden Boltwood
- Ludwig Boltzmann
- Jean-Charles Borda
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- Max Born
- Georg Matthias Bose
- Jagadischandra Bose
- Satyendranath Bose
- Rudjer J. Bošković
- Walther Wilhelm Georg Bothe
- Pierre Bouguer
- Louis Bourguet
- Joseph Valentin Boussinesq
- Ira Sprague Bowen
- Robert Boyle
- Charles Vernon Boys
- de Witt Bristol Brace
- Sir William Lawrence Bragg
- William Henry Bragg
- Heinrich Wilhelm Brandes
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- Ferdinand Braun
- Auguste Bravais
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- Percy Williams Bridgman
- Lyman James Briggs
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- Charles Auguste Briot
- Mathurin-Jacques Brisson
- Louis-César-Victor- Maurice de Broglie
- Alfred Heinrich Bucherer
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- Keith Edward Bullen
- Paolo del Buono
- Jacques Buot
- Herman Carel Burger
- Jean Buridan
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- Blas Cabrera
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- Louis Paul Cailletet
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- Arnould Carangeot
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- Cassegrain
- Louis-Bertrand Castel
- Benedetto Castelli
- Miguel Antonio Catalán
- Augustin-Louis Cauchy
- Tiberius Cavallo
- James Chadwick
- Sydney Chapman
- Jacques-Alexandre- César Charles
- Ernst Florenz Friedrich Chladni
- Christian Christiansen
- Samuel Hunter Christie
- Nicholas Constantine Christofilos
- George Chrystal
- Alexis-Claude Clairaut
- Rudolf Clausius
- Jacob Clay
- William Weber Coblentz
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- Cadwallader Colden
- Ludvig August Colding
- Arthur Holly Compton
- Karl Taylor Compton
- William David Coolidge
- Orso Mario Corbino
- Marie Alfred Cornu
- Bonaventura Corti
- Dirk Coster
- Aimé-Auguste Cotton
- Charles Augustin Coulomb
- Gaspard le Compasseur de Créquy- Montfort Courtivron
- Adair Crawford
- Henry Crew
- William Crookes
- James Cumming
- Marie Curie
- Pierre Curie
- Joachim Dalencé
- John Dalton
- Reginald Aldworth Daly
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- Clinton Joseph Davisson
- Peter Joseph William Debye
- Lee De Forest
- Everette Lee DeGolyer
- Gabriel Delafosse
- Jean André Deluc
- Democritus
- David Mathias Dennison
- René du Perron Descartes
- Alfred-Louis- Olivier Legrand Des Cloizeaux
- Henri Deslandres
- Henri Devaux
- James Dewar
- Roscoe Gilkey Dickinson
- Dietrich von Freiberg
- Paul Adrien Maurice Dirac
- Eustachio Divini
- Prokop Diviš
- John Dollond
- Marko Antonije Dominis
- Johann Gabriel Doppelmayr
- Johann Christian Doppler
- Hendrik Berend Dorgelo
- Heinrich Wilhelm Dove
- Cornelius Drebbel
- Paul Karl Ludwig Drude
- Hugh Latimer Dryden
- William Duane
- Charles-François de Cisternai Dufay
- Jean-Marie-Constant Duhamel
- Pierre-Maurice-Marie Duhem
- Pierre Louis Dulong
- Théodose Achille Louis Du Moncel
- Jesse William Monroe Dumond
- Louis Dominique Joseph Armand Dunoyer de Segonzac
- Athanase Louis Victoire Dupré
- René-Joachim-Henri Dutrochet
- Carl Henry Eckart
- Arthur Stanley Eddington
- Paul Ehrenfest
- Felix Ehrenhaft
- Aleksandr Aleksandrovich Eichenwald
- Albert Einstein
- Johann Philipp Ludwig Julius Elster
- Robert Emden
- David Enskog
- Baron von Eötvös
- Paul Sophus Epstein
- Georg Adolph Erman
- Hans Ertel
- Berend George Escher
- Ernest Benjamin Esclangon
- Leonhard Euler
- John Evershed
- Paul Peter Ewald
- James Alfred Ewing
- William Maurice Ewing
- Giovanni Valentino Mattia Fabbroni
- Charles Fabry
- Daniel Gabriel Fahrenheit
- Isidor Fankuchen
- Abū Naṣr Muḥammad ibn Muḥammad ibn Ṭarkhan ibn Awzalagh al-Fārābī
- Michael Faraday
- John Farrar
- Berend Wilhelm Feddersen
- Evgenii Konstantinovich Fedorov
- Enrico Fermi
- Galileo Ferraris
- William Ferrel
- George Francis Fitzgerald
- Armand-Hippolyte-Louis Fizeau
- Johannes Fleischer
- Vladimir Aleksandrovich Fok
- August Föppl
- James David Forbes
- Henry Foster
- Jean-Bernard-Léon Foucault
- Jean-Baptiste-Joseph Fourier
- Alfred Fowler
- Ralph Howard Fowler
- James Franck
- Philipp Frank
- Moritz Ludwig Frankenheim
- Benjamin Franklin
- Joseph Fraunhofer
- Bernard Frenicle De Bessy
- Yakov Ilyich Frenkel
- Augustin Jean Fresnel
- Georges Friedel
- Aleksandr Aleksandrovich Friedman
- Jakob Friedrich Fries
- Otto Robert Frisch
- Paolo Frisi
- Evgraf Stepanovich Fyodorov
- Dennis Gabor
- Wolfgang Gaede
- Galileo Galilei
- Vincenzio Galilei
- Luigi Galvani
- George Gamow
- Antonio Giorgio Garbasso
- William Gascoigne
- John Peter Gassiot
- Joseph-Louis Gay-Lussac
- Hans Geiger
- F. K. Hans Geitel
- Boris Petrovich Gerasimovich
- William Francis Giauque
- Josiah Willard Gibbs
- William Gilbert
- Giles of Rome
- Giovanni Giorgi
- Richard Tetley Glazebrook
- Robert Hutchings Goddard
- Kurt Friedrich Gödel
- Johann Wolfgang von Goethe
- Victor Goldschmidt
- Eugen Goldstein
- Boris Borisovich Golitsyn
- Walter Gordon
- George Gore
- Samuel Abraham Goudsmit
- Louis-Georges Gouy
- Thomas Graham
- Antoine Alfred Arnaud Xavier Louis de Gramont
- Franz Grashof
- Willem Jacob 's Gravesande
- Stephen Gray
- David Gregory
- James Gregory
- Friedrich Albrecht Carl Gren
- Francesco Maria Grimaldi
- Robert Grosseteste
- Paul Heinrich von Groth
- Theodor Grotthuss
- William Robert Grove
- Otto von Guericke
- Charles Édouard Guillaume
- Cato Maximilian Guldberg
- Allvar Gullstrand
- Charles-Eugène Guye
- Arthur Erich Haas
- Wander Johannes de Haas
- Jean Nicolas Pierre Hachette
- John Hadley
- Otto Hahn
- George Ellery Hale
- Edwin Herbert Hall
- Edmond Halley
- Wilhelm Ludwig Franz Hallwachs
- William Rowan Hamilton
- Maurice Théodore Adolphe Hamy
- Wilhelm Gottlieb Hankel
- William Webster Hansen
- Christopher Hansteen
- Thomas Harriot
- Douglas Rayner Hartree
- Nicolaas Hartsoeker
- Friedrich Hasenöhrl
- Francis Hauksbee
- René-Just Haüy
- Abū ʿAlī al-Ḥasan ibn al-Ḥasan ibn al-Haytham
- Oliver Heaviside
- Werner Karl Heisenberg
- Hermann von Helmholtz
- Victor Henri
- Sophus Henrichsen
- Joseph Henry
- Henry of Hesse
- Paul Pierre Henry
- John Herapath
- Carl Heinrich Hermann
- Hero of Alexandria
- John Frederick William Herschel
- Heinrich Rudolf Hertz
- Victor Franz Hess
- Johann Friedrich Christian Hessel
- György Hevesy
- Jaroslav Heyrovský
- William Heytesbury
- Maurice Neville Hill
- Gustave Adolfe Hirn
- Johann Wilhelm Hittorf
- Thomas Hobbes
- Ludwig Christian Friedrich Holborn
- Arthur Holmes
- Kotaro Honda
- Robert Hooke
- John Hopkinson
- William Huggins
- Albert Wallace Hull
- Frederick Vinton Hunt
- James Hutton
- Christiaan Huygens
- Egil Andersen Hylleraas
- Leopold Infeld
- Jan Ingen-Housz
- Abram Fedorovich Ioffe
- Jun Ishiwara
- Herbert Eugene Ives
- Moritz Hermann von Jacobi
- Frans Maurits Jaeger
- Zacharias Jansen
- Pierre Jules César Janssen
- James Hopwood Jeans
- Louis Joblot
- John of Murs
- Frédéric Joliot
- Irène Joliot-Curie
- Philipp Johann Gustav von Jolly
- John Joly
- Ernst Pascual Jordan
- James Prescott Joule
- Willem Henri Julius
- Theodor Franz Eduard Kaluza
- Kamāl al-Dīn Abu'l Ḥasan Muḥammad ibn al-Ḥasan al-Fārisī
- Heike Kamerlingh Onnes
- Walter Kaufmann
- Heinrich Johannes Gustav Kayser
- Willem Hendrik Keesom
- John Keill
- Alexander Blackie William Kennedy
- Johannes Kepler
- John Kerr
- Rem Victorovich Khokhlov
- Abu' L-Qāsim ʿUbayd AllāhʿAbd Allāh ibn Khurradādhbih
- Ebenezer Kinnersley
- Gustav Robert Kirchhoff
- Oskar Benjamin Klein
- Ewald Georg von Kleist
- Samuel Klingenstierna
- Georg Simon Klügel
- Martin Hans Christian Knudsen
- Vern Oliver Knudsen
- Nikolai Yevgrafovich Kochin
- Johann Samuel Koenig
- Karl Rudolph Koenig
- Gabriel Koenigs
- Friedrich Wilhelm Georg Kohlrausch
- Rudolph Herrmann Arndt Kohlrausch
- Gury Vasilievich Kolosov
- Arthur König
- Miklós von Konkoly Thege
- Walther Kossel
- Lew Kowarski
- Jens Kraft
- Hendrik Anthony Kramers
- Chrétien Kramp
- Torichan Pavlovich Kravets
- August Karl Krönig
- Iurii Aleksandrovich Krutkov
- Johannes Petrus Kuenen
- August Adolph Kundt
- Igor Vasilievich Kurchatov
- Ferdinand Kurlbaum
- Rudolf Walther Ladenburg
- Philippe de La Hire
- Horace Lamb
- Johann Heinrich Lambert
- Johann von Lamont
- Lev Davidovich Landau
- Grigory Samuilovich Landsberg
- Jonathan Homer Lane
- Paul Langevin
- Samuel Pierpont Langley
- Irving Langmuir
- Pierre-Simon Marquis de Laplace
- Arthur-Auguste de La Rive
- Charles-Gaspard de La Rive
- Karl Lark-Horovitz
- Joseph Larmor
- Jakob Johann Laub
- Max von Laue
- Pierre Alphonse Laurent
- Fritz H. Laves
- Ernest Orlando Lawrence
- Petr Petrovich Lazarev
- Petr Nikolaevich Lebedev
- John Leconte
- Otto Lehmann
- Aleksandr Il'ich Leipunskii
- Georges Lemaître
- Louis-Guillaume Le Monnier
- Philipp Lenard
- John Edward Lennard-Jones
- Emil Khristianovich Lenz
- Charles Le Roy
- Jean-Baptiste Le Roy
- George-Louis Lesage
- Jacques-Alexandre Le Tenneur
- Levi Ben Gerson
- Tullio Levi-Civita
- Leonid Samuilovich Leybenzon
- Georg Christoph Lichtenberg
- Il'ia Mikhailovich Lifshits
- Frederick Alexander Lindemann
- Heinrich Friedrich Link
- Gabriel Jonas Lippmann
- Jules Antoine Lissajous
- Joseph Jackson Lister
- Humphrey Lloyd
- Joseph Norman Lockyer
- Oliver Joseph Lodge
- Mikhail Vasilievich Lomonosov
- Fritz London
- Heinz London
- Dame Kathleen Yardley Lonsdale
- Hendrik Antoon Lorentz
- Ludwig Valentin Lorenz
- Giuseppe Lorenzoni
- Johann Joseph Loschmidt
- Augustus Edward Hough Love
- Peter Ivanovich Lukirskii
- Otto Richard Lummer
- Theodore Lyman
- Bernard Lyot
- James MacCullagh
- Ernst Mach
- Felix Karl Ludwig Machatschki
- John Cunningham McLennan
- Jean-Hyacinthe de Magellan
- Raffaello Magiotti
- Valeriano Magni
- Heinrich Gustav Magnus
- Emanuel Maignan
- Jean Jacques D'Ortous de Mairan
- Ettore Majorana
- Dmitry Dmitrievich Maksutov
- Étienne Louis Malus
- Leonid Isaakovich Mandelshtam
- Johannes Marcus Marci of Kronland
- Guglielmo Marconi
- Max Margules
- Edme Mariotte
- Giovanni Marliani
- Ernest Marsden
- David Forbes Martyn
- Éleuthère Élie Nicolas Mascart
- Antoine-Philibert Masson
- Émile Léonard Mathieu
- Carlo Matteucci
- Motonori Matuyama
- Charles Victor Mauguin
- Pierre Louis Moreau de Maupertuis
- Francesco Maurolico
- James Clerk Maxwell
- Alfred Marshall Mayer
- Julius Robert Mayer
- Maria Goeppert Mayer
- William Frederick Meggers
- Walther Meissner
- Lise Meitner
- Macedonio Melloni
- Thomas Melvill
- Marin Mersenne
- Jean- Baptiste-Marie-Charles Meusnier de la Place
- Albert Abraham Michelson
- Gustav Mie
- Dayton Clarence Miller
- William Allen Miller
- William Hallowes Miller
- Robert Andrews Millikan
- Edward Arthur Milne
- Henri Mineur
- Gerard Moll
- Richard Mollier
- Samuel Molyneux
- William Molyneux
- Geminiano Montanari
- Edward Williams Morley
- Henry Gwyn Jeffreys Moseley
- Ottaviano Fabrizio Mossotti
- Gustav Müller
- Johann Müller
- Georg Wilhelm Muncke
- Petrus van Musschenbroek
- Claude Mydorge
- Hantaro Nagaoka
- Edward Nairne
- Władysław Natanson
- Hermann Walther Nernst
- Carl Gottfried Neumann
- Franz Ernst Neumann
- Hugh Frank Newall
- Isaac Newton
- Jean-François Niceron
- Ernest Fox Nichols
- John William Nicholson
- William Nicol
- Nicomachus of Gerasa
- Paul Niggli
- Yoshio Nishina
- Friedrich Adolph Nobert
- Leopoldo Nobili
- Étienne Noël
- Jean-Antoine Nollet
- Robert Norman
- Boris Vasilievich Numerov
- Ernst Kraft Wilhelm Nusselt
- Hans Christian Oersted
- Georg Simon Ohm
- Karol Stanisław Olszewski
- Lars Onsager
- J. Robert Oppenheimer
- Aleksandr Yakovlevich Orlov
- Sergey Vladimirovich Orlov
- Leonard Salomon Ornstein
- Friedrich Wilhelm Ostwald
- Antonio Pacinotti
- Friedrich Adolf Paneth
- Nikolai Dmitrievich Papaleksi
- Ignace Gaston Pardies
- Antoine Parent
- Blaise Pascal
- Louis Carl Heinrich Friedrich Paschen
- Louis Pasteur
- Wolfgang Pauli
- John Pecham
- George Braxton Pegram
- Benjamin Osgood Peirce
- Jean Charles Athanase Peltier
- Henry Pemberton
- Benedictus Pereira
- Jean-Baptiste Gaspard Gustav Alfred Pérot
- Pierre de Peter Peregrinus
- Alexis Thérèse Petit
- Pierre Petit
- Vasily Vladimirovich Petrov
- Esprit Pezenas
- Philo of Byzantium
- Auguste Piccard
- Marc-Auguste Pictet
- Raoul-Pierre Pictet
- George Washington Pierce
- George Placzek
- Max Karl Ernst Ludwig Planck
- Joseph Antoine Ferdinand Plateau
- John Playfair
- Julius Plücker
- Johann Christian Poggendorff
- Robert Wichard Pohl
- Jules-Henri Poincaré
- Jean Léonard Marie Poiseuille
- Simeon-Denis Poisson
- Giovanni Poleni
- Giuseppe Saverio Poli
- Pierre Polinière
- Isaak Iakovlevich Pomeranchuk
- Aleksandr Stepanovich Popov
- Ignazio Porro
- Claude-Servais-Mathias Pouillet
- Baden Powell
- Cecil Frank Powell
- John Henry Poynting
- Ludwig Prandtl
- Isaac-Bénédict Prévost
- Pierre Prevost
- Joseph Priestley
- Ernst Pringsheim
- Charles Pritchard
- Joseph Privat de Molières
- Carl Pulfrich
- Michael Idvorsky Pupin
- Georg Hermann Quincke
- Quṭb al-Dīn al-Shīrāzī
- Chandrasekhara Venkata Raman
- Carl Wilhelm Ramsauer
- Lewis Stephen Ramsdell
- Peter Ramus
- Alexander Oliver Rankine
- William John Macquorn Rankine
- Arthur Cowper Ranyard
- Auguste Camille Edmond Rateau
- René-Antoine Ferchault de Réaumur
- Erich Rudolph Alexander Regener
- Henri Victor Regnault
- Harry Fielding Reid
- Osborne Reynolds
- Annibale Riccò
- Owen Willans Richardson
- Jean Richer
- Georg Wilhelm Richmann
- Floyd Karker Richtmyer
- Eduard Riecke
- Georg Friedrich Bernhard Riemann
- Augusto Righi
- Friedrich Risner
- Johann Wilhelm Ritter
- Walter Ritz
- Gilles Personne de Roberval
- John Robison
- Édouard Albert Roche
- Jean-Baptiste Louis Romé de L'Isle
- Wilhelm Conrad Röntgen
- Ogden Nicholas Rood
- Gustav Rose
- Hans Oswald Rosenberg
- Francesco Rossetti
- Henry Augustus Rowland
- Dmitry Sergeevich Rozhdestvensky
- Heinrich Rubens
- Carl David Tolmé Runge
- Henry Norris Russell
- Ernest Rutherford
- Lewis Morris Rutherfurd
- Johannes Rydberg
- Edward Sabine
- Paul Earls Sabine
- Wallace Clement Ware Sabine
- Georges M. M. Sagnac
- Meghnad Saha
- Shoichi Sakata
- Aleksandr Filippovich Samoylov
- Frederick Albert Saunders
- Joseph Sauveur
- Félix Savart
- Julius Scheiner
- Paul Hermann Scherrer
- Johann Jakob Scheuchzer
- Leonard Isaac Schiff
- Bernhard Voldemar Schmidt
- Carl August von Schmidt
- Johann Friedrich Julius Schmidt
- Arthur Moritz Schoenflies
- Basil Ferdinand Jamieson Schonland
- Charles Anthony Schott
- Gaspar Schott
- Erwin Schrödinger
- Arthur Schuster
- Johann Salomo Christoph Schweigger
- Angelo Secchi
- Thomas Seebeck
- János-András Segner
- Marc Seguin
- Henri Hureau de Sénarmont
- Lucius Annaeus Seneca
- Vsevolod Vasilievich Sharonov
- William Napier Shaw
- Grigory Abramovich Shayn
- Walter Andrew Shewhart
- James Short
- Alexei Vasilievich Shubnikov
- Henry Friedrich Wilhelm Siedentopf
- Karl Manne Georg Siegbahn
- Ernst Werner von Siemens
- Joseph- Aignan Sigaud de Lafond
- Pierre Sigorgne
- Franz Eugen Simon
- John Clarke Slater
- Louis Byrne Slichter
- Adolf Gustav Stephan Smekal
- Robert Smith
- Marian Smoluchowski
- Willebrord Snel
- Charles Percy Snow
- Frederick Soddy
- Leonhard Sohncke
- Jean-Baptiste-François Soleil
- Arnold Sommerfeld
- Walthère Victor Spring
- Johannes Stark
- Josef Stefan
- Karl August Steinheil
- Aleksandr Vasil'evich Stepanov
- Joseph Stepling
- Otto Stern
- Pavel Karlovich Sternberg
- Stanley Smith Stevens
- Balfour Stewart
- George Gabriel Stokes
- Aleksandr Grigorievich Stoletov
- Edmund Clifton Stoner
- George Johnstone Stoney
- Fredrik Carl Mülertz Størmer
- Samuel Wesley Stratton
- Erwin Stresemann
- John William Strutt
- Robert Strutt
- William Sturgeon
- Charles-François Sturm
- William Sutherland
- Harald Ulrik Sverdrup
- William Francis Gray Swann
- Jan Hendrik van Swinden
- Robert Symmer
- Synesius of Cyrene
- Leo Szilard
- Peter Guthrie Tait
- Igor Evgenievich Tamm
- Aikitsu Tanakadate
- Geoffrey Ingram Taylor
- Nikola Tesla
- Louis Thollon
- Alvaro Thomaz
- Benjamin Thompson
- Silvanus Phillips Thompson
- George Paget Thomson
- Joseph John Thomson
- Sir William Thomson
- Gavriil Adrianovich Tikhov
- Johann Daniel Titius
- Richard Chace Tolman
- Sin-Itiro Tomonaga
- Evangelista Torricelli
- John Sealy Edward Townsend
- Edward Troughton
- Frederick Thomas Trouton
- John Trowbridge
- Ehrenfried Walther Tschirnhaus
- Göte Wilhelm Turesson
- Alfred Edwin Howard Tutton
- Merle Antony Tuve
- Nikolai Alexeevich Umov
- Harold Clayton Urey
- Robert Jemison Van de Graaff
- John Hasbrouck Van Vleck
- Sergey Ivanovich Vavilov
- Lars Vegard
- Vladimir Iosifovich Veksler
- Felix Andries Vening Meinesz
- Marcel Émile Verdet
- Sergei Nikolaevich Vernov
- Paul Villard
- Emilio Villari
- Jules Louis Gabriel Violle
- Hermann Carl Vogel
- Woldemar Voigt
- Paul Oskar Eduard Volkmann
- Alessandro Giuseppe Antonio Anastasio Volta
- Johann Von Neumann
- Johannes Diderik van der Waals
- Walter of Odington
- Emil Gabriel Warburg
- John James Waterston
- William Watson
- Robert Alexander Watson-Watt
- Ernst Heinrich Weber
- Wilhelm Eduard Weber
- Arthur Gordon Webster
- David Locke Webster
- Alfred Lothar Wegener
- Arthur Rudolph Berthold Wehnelt
- Christian Samuel Weiss
- Pierre Weiss
- Gregor Wentzel
- Hermann Weyl
- Charles Wheatstone
- Alfred North Whitehead
- Edmund Taylor Whittaker
- Emil Wiechert
- Gustav Heinrich Wiedemann
- Wilhelm Carl Werner Otto Fritz Franz Wien
- Ludwig Christian Wiener
- Otto Wiener
- Johan Carl Wilcke
- Ludwig Ferdinand Wilhelmy
- Benjamin Wilson
- Charles Thomson Rees Wilson
- Edwin Bidwell Wilson
- Harold Albert Wilson
- Witelo
- William Hyde Wollaston
- Robert Williams Wood
- Robert Simpson Woodward
- Zygmunt Florenty von Wróblewski
- Georg Wulff
- Hideki Yukawa
- William Houlder Zachariasen
- Pieter Zeeman
- Frits Zernike
- Gustav Anton Zeuner
- Johann Karl Friedrich Zöllner
- Niccolò Zucchi
- Fritz Zwicky
?
- Hibat Allah Abu'l-Barakāt al-Baghdādī
- Florentino Ameghino
- Antiphon
- Dmitrii Nikolaevich Anuchin
- Aristotle
- Karl Ernst von Baer
- Alexander Bain
- John Banister
- Benjamin Smith Barton
- Johann Joachim Becher
- Johann Beckmann
- Georg von Békésy
- Vladimir Mikhailovich Bekhterev
- Hippolyte Bernheim
- Irénée-Jules Bienaymé
- Alfred Binet
- Davidson Black
- Alberto-Carlo Blanc
- Johann Friedrich Blumenbach
- Franz Boas
- Pierre Paul Broca
- George Busk
- Peter Camper
- James McKeen Cattell
- George Ellett Coghill
- Isidore Auguste Marie François Xavier Comte
- Étienne Bonnot Abbé de Condillac
- Achille-Pierre Dionis du Séjour
- Pierre-Charles-François Dupin
- William Frédéric Edwards
- Friedrich Engels
- Giovanni Valentino Mattia Fabbroni
- Gustav Theodor Fechner
- Julien Fraipont
- James George Frazer
- Sigmund Freud
- Gustav Theodor Fritsch
- Franz Joseph Gall
- Francis Galton
- Prosper Garnot
- Arnold Lucius Gesell
- Louis Pierre Gratiolet
- John Graunt
- Jean Paul Gua de Malves
- Granville Stanley Hall
- Roland McMillan Harper
- David Hartley
- Samuel Hartlib
- Johann Friedrich Herbart
- Karl Ewald Konstantin Hering
- Charles Judson Herrick
- Thomas Hobbes
- Jan van der Hoeven
- Victor Alexander Haden Horsley
- David Hume
- James Hunt
- Thomas Henry Huxley
- William James
- Thomas Jefferson
- William Stanley Jevons
- Carl Gustav Jung
- Johann Heinrich Gottlob von Justi
- Arthur Keith
- John Maynard Keynes
- Khaldūn Ibn
- Wolfgang Köhler
- Jens Kraft
- Stepan Petrovich Krasheninnikov
- Julien Offray de La Mettrie
- Carl Georg Lange
- Louis Lapicque
- Karl Spencer Lashley
- Antoine-Laurent Lavoisier
- Louis Seymour Bazett Leakey
- Vladimir Ilyich Lenin
- Alfred James Lotka
- Sir John Lubbock
- Ernst Mach
- Thomas Robert Malthus
- Paolo Mantegazza
- Rudolf Martin
- Karl Friedrich Philipp von Martius
- Karl Marx
- Franz Anton Mesmer
- John Stuart Mill
- Charles-Louis de Secondat Montesquieu
- Conwy Lloyd Morgan
- Louis-Laurent Gabriel de Mortillet
- Samuel George Morton
- Georg Elias Müller
- Agostino Nifo
- William of Ockham
- Olaus Magnus
- Garcia d' Orta
- Ivan Petrovich Pavlov
- William Petty
- Augustus Henry Lane Fox Pitt-Rivers
- Mihály Polányi
- Grigory Nikolaevich Potanin
- John Wesley Powell
- James Cowles Prichard
- Franz Ignace Pruner Bey
- Raphael Pumpelly
- Frederic Ward Putnam
- Jean- Louis-Armand de Quatrefages de Bréau
- Friedrich Ratzel
- Anders Adolf Retzius
- Magnus Gustaf Retzius
- Charles Robert Richet
- Émile- Valère Rivière de Précourt
- George Rolleston
- George John Romanes
- Ezra Dwight Sanderson
- Satō Nobuhiro
- Karl Sax
- Henry Rowe Schoolcraft
- Ivan Mikhaylovich Sechenov
- Samuel Thomas Soemmerring
- William Johnson Sollas
- Herbert Spencer
- Johann Christoph Spurzheim
- Stanley Smith Stevens
- Abu'l-Ḥasan ʿAlī ibn Sahl Rabbān al-Ṭabarī
- Jean Léo Testut
- Themistius
- John Thurnam
- Joseph Townsend
- Cuthbert Tunstall
- Anne-Robert-Jacques Turgot
- Pierre-François Verhulst
- Rudolf Carl Virchow
- Juan Luis Vives
- Constantin-François Chasse-Boeuf Volney
- Rudolph Wagner
- Abraham Wald
- Pehr Wilhelm Wargentin
- Maximilian Zu Wied
- Wilhelm Wundt
- Robert Mearns Yerkes
?
- ʿAbbās ibn Firnās
- Alexander Agassiz
- Leone Battista Alberti
- Carl Theodor Albrecht
- Giovan Battista Amici
- Jakob Amsler
- Archimedes
- Edwin Howard Armstrong
- Jean- François d' Aubuisson de Voisins
- Hertha Ayrton
- Charles Babbage
- Henry Baker
- Balbus
- Bernardino Baldi
- Heinrich Georg Barkhausen
- Franz Andreas Bauer
- Lionel Smith Beale
- Johann Beckmann
- Isaac Beeckman
- Henri Béghin
- Bernard Forest de Bélidor
- Alexander Graham Bell
- Faddei F. Bellinsgauzen
- Hans Berger
- Lloyd Viel Berkner
- Jakob Bernoulli
- Louis-Émile Bertin
- Henry Bessemer
- Augustin de Betancourt y Molina
- Nicolas Bion
- André Eugène Blondel
- Nicolas-François Blondel
- Étienne Bobillier
- Giovanni Alfonso Borelli
- Bodo von Borries
- Charles Bossut
- Edmond Bour
- Eugène Bourdon
- Joseph Valentin Boussinesq
- Nikolai Dmitrievich Brashman
- Louis François Clément Breguet
- Johan August Brinell
- Francesco Brioschi
- Barnabé Brisson
- Ernest William Brown
- Filippo Brunelleschi
- Viktor Yakovlevich Bunyakovsky
- Paolo del Buono
- Vannevar Bush
- Louis Paul Cailletet
- Hugh Longbourne Callendar
- Giuseppe Campani
- Charles-Étienne-Louis Camus
- Lazare-Nicolas- Marguerite Carnot
- Benedetto Castelli
- Alberto Castigliano
- Augustin-Louis Cauchy
- Sergei Alekseevich Chaplygin
- Jean-Baptiste Charcot
- Louis-Marie- Hilaire Bernigaud Chardonnet
- Jean François Chazy
- Nicholas Constantine Christofilos
- Alexis-Claude Clairaut
- Benoit-Pierre-Émile Clapeyron
- Josiah Latimer Clark
- Georges Claude
- Ludvig August Colding
- Charles-Pierre-Mathieu Combes
- Leslie John Comrie
- William Congreve
- Gaspard Gustave de Coriolis
- Martín Cortes de Albacar
- Eugène Maurice Pierre Cosserat
- Frederick Gardner Cottrell
- Charles Augustin Coulomb
- Gaspard le Compasseur de Créquy- Montfort Courtivron
- August Leopold Crelle
- Ctesibius
- Germinal Pierre Dandelin
- Erasmus Darwin
- August Yulevich Davidov
- Jan Cornets De Groot
- Warren De La Rue
- Charles-Eugène Delaunay
- Marcel Deprez
- Charles Derosne
- René du Perron Descartes
- Nicolas Desmarest
- Denis Diderot
- Eustachio Divini
- Giovanni Dondi
- Cornelius Drebbel
- Hugh Latimer Dryden
- Pierre-Louis-Georges Du Buat
- Robert Dudley
- Guillaume-Henri Dufour
- Henri- Louis Duhamel du Monceau
- Pierre-Maurice-Marie Duhem
- Louis-Isidore Duperrey
- Wallace John Eckert
- Thomas Alva Edison
- Aleksandr Aleksandrovich Eichenwald
- Friedrich Engels
- Hans Conrad Escher von der Linth
- Leonhard Euler
- Johann Albert C. Eytelwein
- Louis Fabry
- James Ferguson
- Galileo Ferraris
- Reginald Aubrey Fessenden
- John Ambrose Fleming
- August Föppl
- Jean Nicolas Fortin
- Benoît Fourneyron
- Joseph Fraunhofer
- Aleksandr Aleksandrovich Friedman
- William Froude
- Dennis Gabor
- Aimable Jean-Baptiste Gaillot
- Boris Grigorievich Galerkin
- Henri-Prudence Gambey
- Johann Heinrich Wilhelm Geissler
- Henry Gellibrand
- Giovanni Giorgi
- Pierre-Simon Girard
- Wilhelm Friedrich von Gleichen-Russworm
- Robert Hutchings Goddard
- Thomas Godfrey
- George Graham
- Zénobe-Théophile Gramme
- Franz Grashof
- Howard Grubb
- Thomas Grubb
- Otto von Guericke
- Edmund Gunter
- Louis Bernard Guyton de Morveau
- Jean Nicolas Pierre Hachette
- John Hadley
- William Hale
- William Rowan Hamilton
- William Hampson
- Maurice Théodore Adolphe Hamy
- William Webster Hansen
- John Harrison
- Pieter Harting
- Georg Hartmann
- Nicolaas Hartsoeker
- Francis Hauksbee
- Oliver Heaviside
- Daniel Friedrich Hecht
- Friedrich Franz von Hefner-Alteneck
- Martin Heidenhain
- Sigismund Friedrich Hermbstaedt
- Hero of Alexandria
- Johannes Hevelius
- Emil Heyn
- Kiyotsugu Hirayama
- Eaton Hodgkinson
- Maksymilian Tytus Huber
- Pierre Henri Hugoniot
- Tadataka Inō
- Abram Fedorovich Ioffe
- Pierre Armand Jacquet
- Abu-l-ʿizz Ismāʿīl ibn al-Razzāz al-Jazarīʿ
- Thomas Jefferson
- Henry Charles Fleeming Jenkin
- Frank Baldwin Jewett
- Louis Joblot
- Jordanus de Nemore
- László Kalmár
- Theodore von Kármán
- Alexander Blackie William Kennedy
- Arthur Edwin Kennelly
- Charles Franklin Kettering
- Abu'l-Fatḥ ʿAbd al-Raḥmān al-Khāzinī
- David Kirkaldy
- Gabriel Koenigs
- August Karl Johann Valentin Köhler
- Gury Vasilievich Kolosov
- Sergey Pavlovich Korolev
- Aleksandr Petrovich Kotelnikov
- Cornelis Rudolphus Theodorus Krayenhoff
- Aleksei Nikolaevich Krylov
- Thomas Fantet de Lagny
- Joseph Louis Lagrange
- Bernard Lamy
- Frederick William Lanchester
- Marsilio Landriani
- Claude Langlois
- Michael Florent van Langren
- Pierre-Simon Marquis de Laplace
- Aimé Laussedat
- Mikhail Petrovich Lazarev
- Claude-Nicolas Le Cat
- Léon François Alfred Lecornu
- Antoni van Leeuwenhoek
- Jacques Lemaire
- Leonardo da Vinci
- Jean-Baptiste Le Roy
- Urbain-Jean-Joseph Le Verrier
- Maurice Lévy
- William Lewis
- Leonid Samuilovich Leybenzon
- Carl von Linde
- João de Lisboa
- Vladimir Mikhaylovich Lokhtin
- Hans Lorenz
- Aleksandr Mikhailovich Lyapunov
- Jean-Hyacinthe de Magellan
- Raffaello Magiotti
- Shihāb al-Dīn Aḥmad ibn Mājid ibn Mājid
- Robert Mallet
- Eustachio Manfredi
- Guglielmo Marconi
- Edme Mariotte
- Giovanni Marliani
- Adolf Martens
- Benjamin Martin
- Francesco di Giorgio di Martini
- Pedro de Medina
- Luigi Federico Menabrea
- Christopher Merrett
- Marin Mersenne
- Ivan Vsevolodovich Meshchersky
- Adriaen Metius
- Jean- Baptiste-Marie-Charles Meusnier de la Place
- Famiano Michelini
- Richard von Mises
- Christian Otto Mohr
- Nikolay Dmitrievich Moiseev
- Friedrich Rudolf Heinrich Carl Moll
- Gaspard Monge
- Geminiano Montanari
- Guidobaldo Monte
- Jacques-Philippe Mérigon de Montgéry
- Étienne Jacques de Montgolfier
- William Moore
- Samuel Morland
- Théodore Florentin Moutard
- Heinrich Müller-Breslau
- Carl Wilhelm von Naegeli
- James Nasmyth
- Claude-Louis-Marie- Henri Navier
- John Turberville Needham
- Aleksandr Ivanovich Nekrasov
- Antonio Neri
- Thomas Newcomen
- Isaac Newton
- William Nicholson
- Friedrich Adolph Nobert
- Robert Norman
- Richard Norwood
- Mikhail Vasilievich Ostrogradsky
- François Marie Guyonneau de Pambour
- Denis Papin
- Blaise Pascal
- Rembrandt Peale
- Benedictus Pereira
- Duarte Pacheco Pereira
- Joseph Jean Camille Pérès
- Claude Perrault
- Jean-Rodolphe Perronet
- Nikolay Pavlovich Petrov
- Philo of Byzantium
- Jean François Pilatre de Rozier
- Henri Pitot
- Jules-Henri Poincaré
- Louis Poinsot
- Jean Victor Poncelet
- Aleksandr Stepanovich Popov
- Johann Heinrich Pott
- Henry Power
- Gaspard-François-Clair- Marie Riche de Prony
- Victor Puiseux
- Jesse Ramsden
- William John Macquorn Rankine
- Auguste Camille Edmond Rateau
- René-Antoine Ferchault de Réaumur
- Ferdinand Jakob Redtenbacher
- Ferdinand Reech
- Georg Friedrich von Reichenbach
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- Carlos Ribeiro Santos
- Ostilio Ricci
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- Abraham Robinson
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- Adhémar Jean Claude Barré de Saint-Venant
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- Santorio Santorio
- Joseph Saurin
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- Gaspar Schott
- Otto Friedrich Schott
- Jan Arnoldus Schouten
- Max Johann Sigismund Schultze
- Armand Séguin
- Marc Seguin
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- Charles William Siemens
- Ernst Werner von Siemens
- John Smeaton
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- Emanuel Swedenborg
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- Niccolò Tartaglia
- Frederick Winslow Taylor
- Geoffrey Ingram Taylor
- Nikola Tesla
- al-Ṣābiʾ al-Ḥarrānī Thābit ibn Qurra
- Silvanus Phillips Thompson
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- Stepan Timoshenko
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- Fritz Zwicky
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- Pierre Abailard
- Pietro d'Abano
- ʿAbbās ibn Firnās
- Cleveland Abbe
- Ernst Abbe
- John Jacob Abel
- Niels Henrik Abel
- Othenio Abel
- Antonio Abetti
- Otto Hermann Wilhelm Abich
- William de Wiveleslie Abney
- Abraham Bar Ḥiyya Ha-Nasi
- Max Abraham
- Aleixo de Abreu
- Abū Ḥāmid al-Gharnāṭī
- Abū Kāmil Shujāʿ ibn Aslam ibn Muḥammad ibn Shujāʿ
- Jaʿfar ibn Muḥammad Abū Maʿshar al-Balkhī
- Hibat Allah Abu'l-Barakāt al-Baghdādī
- ʿImād al-Dīn Abu'l-Fidāʾ Ismāʿīl ibn ʿAlī ibn Maḥmūd ibn … Ayyūb
- Muḥammad ibn Muḥammad ibn Yaḥyā ibn Ismāʿīl ibn al-ʿAbbās Abū'l-Wafāʾ al-Būzjānī
- Friedrich Christian Accum
- Franz Karl Achard
- Erik Acharius
- Alessandro Achillini
- Cristóbal Acosta
- José de Acosta
- Acyuta Piṣāraṭi
- Adam of Bodenstein
- Frank Dawson Adams
- John Couch Adams
- Leason Heberling Adams
- Roger Adams
- Walter Sydney Adams
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- Adelard of Bath
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- Aëtius of Amida
- Carl Adolph Agardh
- Jacob Georg Agardh
- Alexander Agassiz
- Jean Louis Rodolphe Agassiz
- Claudius Agathinus
- Maria Gaetana Agnesi
- Izrail' Iosifovich Agol
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- François d'Aguilon
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- Pierre d'Ailly
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- Kurt Alder
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- Jakob Amsler
- Anatolius of Alexandria
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- Edgar Anderson
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- Jean-Baptiste Bourguignon d'Anville
- Stephan Apáthy
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- Peter Apian
- Apollonius of Perga
- Paul Appell
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- Saint Thomas Aquinas
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- Archigenes
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- Antoine-Joseph Dezallier d'Argenville
- Andrea Argoli
- Aristaeus
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- Aristotle
- Aristoxenus
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- Vladimir Konstantinovich Arkadiev
- William Joscelyn Arkell
- Edward Frankland Armstrong
- Edwin Howard Armstrong
- Henry Edward Armstrong
- Arnald of Villanova
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- Heinrich Louis d'Arrest
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- Peter Artedi
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- George Atwood
- Wallace Walter Atwood
- Jean-François d'Aubuisson de Voisins
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- Louis Winslow Austin
- Autolycus of Pitane
- Arthur Julius Georg Friedrich von Auwers
- Karl Friedrich von Auwers
- Adrien Auzout
- Oswald T. Avery
- Amedeo Avogadro
- ʿAwwām Abū Zakariyyā Yaḥyā ibn Muḥammad ibn al-
- Hertha Ayrton
- Félix de Azara
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- Wilhelm Heinrich Walter Baade
- Charles Babbage
- Ernest Brown Babcock
- Stephen Moulton Babcock
- Jacques Babinet
- Charles Cardale Babington
- William Babington
- Guido Baccelli
- Aleksei Nikolaevich Bach
- Alexander Dallas Bache
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- Augustus Quirinus Bachmann
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- Ernst E. A. Back
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- Francis Bacon
- Roger Bacon
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- Leo Hendrik Baekeland
- Karl Ernst von Baer
- Adolf Johann Friedrich Wilhelm von Baeyer
- Abū Manṣūr ʿAbd al-Qāhir ibn Ṭāhir ibn Muḥammad ibn ʿAbdallah al-Tamīmī al-Shafiʿī al-Baghdādī
- Georgius Baglivi
- Johann Jacob Baier
- Edward Battersby Bailey
- Liberty Hyde Bailey
- Loring Woart Bailey
- Solon Irving Bailey
- Matthew Baillie
- Guillaume de Baillou
- Jean-Sylvain Bailly
- Francis Baily
- Alexander Bain
- Spencer Fullerton Baird
- René Louis Baire
- Abū Bakr Muḥammad ibn Yaḥyā ibn al-ṢāʾIgh ibn Bājja
- Henry Baker
- John Gilbert Baker
- Robert Bakewell
- Abū ʿUbayd ʿAbdallāh ibn ʿAbd al-ʿAzīz ibn Muḥammad al-Bakrī
- Aleksey Aleksandrovich Balandin
- Antoine Jérome Balard
- Edouard-Gérard Balbiani
- Balbus
- Bernardino Baldi
- Francis Maitland Balfour
- Isaac Bayley Balfour
- John Hutton Balfour
- Giovanni Battista Baliani
- Johann Jakob Balmer
- Eugen Bamberger
- Stefan Banach
- Thaddeus Banachiewicz
- Wilder Dwight Bancroft
- Orville Lee Bandy
- John Banister
- Joseph Banks
- Bannāʾ al-Marrākushī ibn al-
- Guido Banti
- Frederick Grant Banting
- Banū Mūsā
- Robert Bárány
- Giovanni Antonio Baranzano
- Alvaro Alonso Barba
- Joseph-Émile Barbier
- Henry Gray Barbour
- Johann Conrad Barchusen
- John Barclay
- Joseph Barcroft
- George Barger
- Heinrich Georg Barkhausen
- Charles Glover Barkla
- Peter Barlow
- William Barlow
- Edward Emerson Barnard
- Howard Turner Barnes
- Franciscus Barocius
- Louis Barrabé
- Joachim Barrande
- Joseph Barrell
- Charles-Louis Barreswil
- Charles Barrois
- Isaac Barrow
- Martin Barry
- Julius Bartels
- Paul-Joseph Barthez
- Caspar Bartholin
- Erasmus Bartholin
- Thomas Bartholin
- Daniello Bartoli
- Gian Giacomo Bartolotti
- Benjamin Smith Barton
- John Bartram
- William Bartram
- Carl Barus
- Francesco Bassani
- Agostino Maria Bassi
- Raymond Smith Bassler
- Sebastian Basso
- Henry Charlton Bastian
- Jean Eugène Bataillon
- Alan Mara Bateman
- Harry Bateman
- Henry Walter Bates
- Leslie Fleetwood Bates
- Marston Bates
- William Bateson
- Francis Arthur Bather
- Abū ʿAbd Allāh Muḥammad ibn Jābir ibn Sinān al-Raqqī al-Ḥarrānī al-Ṣābiʾ al-Battānī
- Baṭṭūṭa Ibn
- Alexandre Édouard Baudrimont
- Edmond Bauer
- Ferdinand Lucas Bauer
- Franz Andreas Bauer
- Louis Agricola Bauer
- Gaspard Bauhin
- Jean Bauhin
- Antoine Baumé
- Edouard Henri von Baumhauer
- Heinrich Adolf Baumhauer
- Erwin Baur
- Frederick Charles Bawden
- Pierre Bayen
- Johann Bayer
- Thomas Bayes
- al-Qibjāqī Baylak
- Leonard Ernest Bayliss
- William Maddock Bayliss
- Ḍiyāʾ al-dīn Abū Muḥhammad ʿAbdallāh ibn Aḥmad ibn al-Bayṭār al-Mālaqī
- Lionel Smith Beale
- Jean Beaugrand
- William Beaumont
- Nello Beccari
- Giambatista Beccaria
- Pierre Jacques Antoine Béchamp
- Johann Joachim Becher
- Friedrich Johann Karl Becke
- George Ferdinand Becker
- Ernest Otto Beckmann
- Johann Beckmann
- Alexandre-Edmond Becquerel
- Antoine-César Becquerel
- Henri Becquerel
- Jean Antoine Edmond Marie Becquerel
- Paul Becquerel
- John Beddoe
- Thomas Beddoes
- the Venerable Bede
- Isaac Beeckman
- Wilhelm Beer
- Charles Edward Beevor
- Henri Béghin
- Jean Beguin
- Alexandre-Émile Béguyer de Chancourtois
- Martin Behaim
- Anton Friedrich Robert Behrend
- Emil von Behring
- Martinus Willem Beijerinck
- Konrad Friedrich Beilstein
- Georg von Békésy
- Nikolai Nikolaevich Beketov
- Vladimir Mikhailovich Bekhterev
- Nicholas Timothy Belaiew
- Karl Bělǎr
- Bernard Forest de Bélidor
- Alexander Graham Bell
- Charles Bell
- Eric Temple Bell
- Robert Bell
- Angelo Bellani
- Luigi Bellardi
- Robert Bellarmine
- Giusto Bellavitis
- Pierre Richer de Belleval
- Lorenzo Bellini
- Faddei F. Bellinsgauzen
- Pierre Belon
- Aristarkh Apollonovich Belopolsky
- Nikolai Vasil'Evich Belov
- Nikolai Vasil'evich Belov
- Andrei Nikolaevich Belozerskii
- Eugenio Beltrami
- Edouard van Beneden
- Pierre-Joseph van Beneden
- Alessandro Benedetti
- Giovanni Battista Benedetti
- Carl Axel Fredrik Benedicks
- Francis Gano Benedict
- Antonio Benivieni
- Justin-Mirande René Benoit
- Robert Russell Bensley
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- Alfred Theodor Bentz
- Johann Friedrich Benzenberg
- Jacques Étienne Bérard
- Joseph Frédéric Bérard
- Giacomo Berengario da Carpi
- Lev Simonovich Berg
- Hans Berger
- Johann Gottfried Berger
- Friedrich Bergius
- Stefan Bergman
- Torbern Olof Bergman
- Max Bergmann
- Henri-Louis Bergson
- Claude Guillermet de Bérigard
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- Johann Bartholomaeus Adam Beringer
- George Berkeley
- Miles Joseph Berkeley
- Lloyd Viel Berkner
- John Desmond Bernal
- Bernardus Bernard of Chartres
- Bernard of Le Treille
- Bernard of Trevisan
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- Bernard de Bernard Silvestre
- Claude Bernard
- Noël Bernard
- Paul Isaac Bernays
- Hippolyte Bernheim
- Daniel Bernoulli
- Jakob Bernoulli
- Jakob I Bernoulli
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- Johann Bernoulli
- Johann I Bernoulli
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- Johann III Bernoulli
- Nikolaus I Bernoulli
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- Felix Bernstein
- Julius Bernstein
- Sergey Natanovich Bernstein
- Heinrich August Bernthsen
- Paul Bert
- Pierre Eugène Marcellin Berthelot
- Pierre Berthier
- Arnold Adolphe Berthold
- Claude-Louis Berthollet
- Pierre Bertholon
- Gasparo Berti
- Louis-Émile Bertin
- Eugenio Bertini
- Charles-Eugène Bertrand
- Gabriel Bertrand
- Joseph Louis François Bertrand
- Marcel-Alexandre Bertrand
- William Edward Hodgson Berwick
- Jöns Jacob Berzelius
- Abram Samoilovitch Besicovitch
- Friedrich Wilhelm Bessel
- Henry Bessemer
- Charles Edwin Bessey
- Charles Herbert Best
- Augustin de Betancourt y Molina
- Enrico Betti
- François-Sulpice Beudant
- Gabriel-Léopold-Charles-Amé Bexon
- Heinrich Ernst Beyrich
- Albert von Bezold
- Étienne Bezout
- Homi Jehangir Bhabha
- Bhāskara I
- Bhāskara II
- Czesław Białobrzeski
- Angelo Bianchi
- Luigi Bianchi
- Marie-François-Xavier Bichat
- Alexander William Bickerton
- Friedrich Heinrich Bidder
- Govard Bidloo
- Wilhelm von Biela
- Irénée-Jules Bienaymé
- Camille Guillaume Bigourdan
- Theodor Bilharz
- Elkanah Billings
- Christian Albert Theodor Billroth
- Jacques de Billy
- Alfred Binet
- Nicolas Bion
- Jean-Baptiste Biot
- John Bird
- Edward Asahel Birge
- Raymond Thayer Birge
- Vannoccio Biringuccio
- George David Birkhoff
- John Birmingham
- William Radcliff Birt
- Abū Rayḥān al-Bīrūnī
- Carl Gustav Christoph Bischof
- Gottlieb Wilhelm Bischoff
- Theodor Ludwig Wilhelm Bischoff
- Johann Heinrich Bisterfeld
- Abū Isḥāq al-Biṭrūjī al-Ishbīlī
- Giulio Cesare Bizzozero
- Carl Anton Bjerknes
- Jacob Aall Bonnevie Bjerknes
- Vilhelm Frimann Koren Bjerknes
- Niels Janniksen Bjerrum
- Davidson Black
- James Black
- Joseph Black
- Frederick Frost Blackman
- Willem Janszoon Blaeu
- Charles Blagden
- Henri Marie Ducrotay de Blainville
- Patrick Blair (surgeon)
- Alberto-Carlo Blanc
- Raoul Blanchard
- Wilhelm Johann Eugen Blaschke
- Blasius of Parma
- Sergei Nikolaevich Blazhko
- Hans Frederick Blichfeldt
- Gilbert Ames Bliss
- Christian Wilhelm Blomstrand
- André Eugène Blondel
- Nicolas-François Blondel
- René-Prosper Blondlot
- Johann Friedrich Blumenbach
- Edward Blyth
- Franz Boas
- Étienne Bobillier
- Jean-Baptiste-Gaspard Bochart de Saron
- Maxime Bôcher
- Salomon Bochner
- Jerome Bock
- Johann Elert Bode
- Fritz Simon Bodenheimer
- Max Bodenstein
- Jacob Boehme
- Hermann Boerhaave
- Anicius Manlius Severinus Boethius
- Aleksandr Aleksandrovich Bogdanov
- Aleksei Alekseevich Bogdanov
- Palm Heinrich Ludwig von Boguslavsky
- Piers Bohl
- Johannes Bohn
- Christian Harald Lauritz Peter Emil Bohr
- Harald Bohr
- Niels Henrik David Bohr
- Paul Émile Lecoq de Boisbaudran
- Lodewijk Bolk
- Bolos of Mendes
- Andrei Timofeevich Bolotov
- Bertram Borden Boltwood
- Ludwig Boltzmann
- Farkas Bolyai
- János Bolyai
- Oskar Bolza
- Bernard Bolzano
- Rafael Bombelli
- Lucien Jules Laurent Bonaparte
- Federigo Bonaventura
- Baldassarre Boncompagni
- George Phillips Bond
- William Cranch Bond
- Charles Bonnet
- Pierre-Ossian Bonnet
- Thomas George Bonney
- Gaston Bonnier
- Giovan Cosimo Bonomo
- Costanzo Benedetto Bonvicino
- Anselmus Boetius de Boodt
- George Boole
- Carl Wilhelm Borchardt
- Jean-Charles Borda
- Jules Bordet
- Théophile de Bordeu
- Émile Borel
- Pierre Borel
- Giovanni Alfonso Borelli
- Theodoric Borgognoni of Lucca
- Ignaz Edler von Born
- Max Born
- Aleksandr Porfirevich Borodin
- Olaus Borrichius
- Bodo von Borries
- Girolamo Borro
- Karol Borsuk
- Ladislaus Bortkiewicz
- Ettore Bortolotti
- Jean Baptiste Georges Marie Bory de Saint-Vincent
- Louis Augustin Guillaume Bosc
- Carl Bosch
- Georg Matthias Bose
- Jagadischandra Bose
- Satyendranath Bose
- Rudjer J. Bošković
- Lewis Boss
- Abraham Bosse
- Charles Bossut
- John Bostock
- Leonardo Botallo
- Walther Wilhelm Georg Bothe
- Filippo Bottazzi
- Jacques Boucher de Crèvecoeur de Perthes
- Ami Boué
- Louis Antoine de Bougainville
- Pierre Bouguer
- Pol André Bouin
- Marcellin Boule
- Nicolas-Antoine Boullanger
- Ismael Boulliau
- Jean-Claude Bouquet
- Edmond Bour
- Claude Bourdelin
- Pierre Michon Bourdelot
- Eugène Bourdon
- Louis Bourguet
- Jacques-Louis Bournon
- Joseph Valentin Boussinesq
- Jean Baptiste Joseph Dieudonné Boussingault
- Pierre Léon Boutroux
- Alexis Bouvard
- Charles Bouvelles
- Theodor Boveri
- Henry Pickering Bowditch
- Nathaniel Bowditch
- Ira Sprague Bowen
- Norman Levi Bowen
- Rufus Bowen
- Frederick Orpen Bower
- William Bowie
- Isaiah Bowman
- William Bowman
- Robert Boyle
- Charles Vernon Boys
- de Witt Bristol Brace
- Albert Brachet
- Henri Braconnot
- Joshua Taylor Bradford
- James Bradley
- Richard Bradley
- Thomas Bradwardine
- Sir William Lawrence Bragg
- William Henry Bragg
- Tycho Brahe
- Brahmadeva
- Brahmagupta
- William Braikenridge
- Benjamin Bramer
- William Thomas Brande
- Heinrich Wilhelm Brandes
- Georg Brandt
- Johann Friedrich Brandt
- John Alfred Brashear
- Nikolai Dmitrievich Brashman
- Richard Dagobert Brauer
- Alexander Carl Heinrich Braun
- Ferdinand Braun
- Bohuslav Brauner
- Anton von Braunmühl
- Auguste Bravais
- Fedor Aleksandrovich Bredikhin
- Simon Bredon
- Julius Oscar Brefeld
- Louis François Clément Breguet
- Scipione Breislak
- Johann Friedrich August Breithaupt
- Carl Bremiker
- Otto Rudolf Martin Brendel
- Gilbert Breschet
- Jean Jacques Bret
- Pierre Bretonneau
- Josef Breuer
- Henri Édouard Prosper Breuil
- David Brewster
- Charles-Julien Brianchon
- Calvin Blackman Bridges
- Percy Williams Bridgman
- Henry Briggs
- Lyman James Briggs
- Richard Bright
- Alexander Wilhelm von Brill
- Léon Nicolas Brillouin
- Marcel Louis Brillouin
- Johan August Brinell
- Erland Samuel Bring
- John Brinkley
- Francesco Brioschi
- Charles Auguste Briot
- Thomas Brisbane
- Barnabé Brisson
- Mathurin-Jacques Brisson
- James Britten
- Nathaniel Lord Britton
- Pierre Paul Broca
- Pierre René Jean-Baptiste Henri Brocard
- Giovanni Battista Brocchi
- André-Jean-François-Marie Brochant de Villiers
- Wallace Reed Brode
- Benjamin Collins Brodie
- Waldemar Christopher Brøgger
- Louis-César-Victor-Maurice de Broglie
- Ferdinand Broili
- Magnus von Bromell
- Thomas John I'Anson Bromwich
- Adolphe-Théodore Brongniart
- Alexandre Brongniart
- Detlev Wulf Bronk
- Heinrich Georg Bronn
- Johannes Nicolaus Brønsted
- Alfred Hulse Brooks
- William Keith Brooks
- William Robert Brooks
- Robert Broom
- William Brouncker
- François Joseph Victor Broussais
- Pierre-Auguste-Marie Broussonet
- Dirk Brouwer
- Hendrik Albertus Brouwer
- Luitzen Egbertus Jan Brouwer
- Alexander Crum Brown
- Ernest William Brown
- Robert Brown
- Thomas Browne
- William Rowan Browne
- William Brownrigg
- Charles-Édouard Brown-Séquard
- Jan Brożek
- David Bruce
- James Bruce
- Ernst Wilhelm von Brücke
- Max Brödel
- Karl Christian Bruhns
- Émile Brumpt
- Filippo Brunelleschi
- Otto Brunfels
- Jean Brunhes
- Giordano Bruno
- Léon Brunschvicg
- Hieronymus Brunschwig
- Thomas Lauder Brunton
- Kirk Bryan
- Bryson of Heraclea
- Walter Brytte
- Philippe Buache
- Serge Nikolaevich von Bubnoff
- Leopold von Buch
- John Young Buchanan
- Walter Herman Bucher
- Alfred Heinrich Bucherer
- Eduard Buchner
- Friedrich Karl Christian Ludwig Büchner
- Christian Friedrich Bucholz
- Edgar Buckingham
- William Buckland
- Jean-Baptiste Michel Bucquet
- Ferdinand François Désiré Budan de Boislaurent
- William Budd
- Arthur Francis Buddington
- Georges-Louis Leclerc Buffon
- Nicolay Vasilievich Bugaev
- Edward Crisp Bullard
- Keith Edward Bullen
- Arthur Henry Reginald Buller
- William Bulloch
- Hermon Carey Bumpus
- Gustav von Bunge
- Robert Wilhelm Eberhard Bunsen
- Viktor Yakovlevich Bunyakovsky
- Francesco Buonamici
- Filippo Buonanni
- Paolo del Buono
- Jacques Buot
- Cesare Burali-Forti
- Karl Friedrich Burdach
- Nicolai Nilovich Burdenko
- John Scott Burdon-Sanderson
- Johann Tobias Bürg
- Herman Carel Burger
- Frank Burgersdijk
- Joost Bürgi
- Jean Buridan
- Walter Burley
- Thomas Burnet
- Sherburne Wesley Burnham
- William Burnside
- Carl Jensen Burrau
- Charles Rugeley Bury
- August Ludwig Busch
- Vannevar Bush
- George Busk
- Johannes Buteo
- Abuʾl-Ḥasan al-Mukhtār ibn ʿAbdūn ibn Saʿdūn ibn Buṭlān
- Aleksandr Mikhailovich Butlerov
- Otto Bütschli
- Rudolph Christian Böttger
- Christoph Hendrik Diederik Buys Ballot
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- Pierre-Jean-Georges Cabanis
- Niccolo Cabeo
- Blas Cabrera
- Charles-Louis Cadet de Gassicourt
- Antoine-Alexis-François Cadet de Vaux
- Louis-Claude Cadet
- Charles Cagniard de la Tour
- Auguste André Thomas Cahours
- Louis Paul Cailletet
- John Caius
- Giuseppe Calandrelli
- Ignazio Calandrelli
- Calcidius
- Leopoldo Marcantonio Caldani
- Francisco José de Caldas
- Gary Nathan Calkins
- Nicholas Callan
- Pierre Jean Octave Callandreau
- Hugh Longbourne Callendar
- Callinicos of Heliopolis
- Callippus
- Albert Calmette
- Rudolph Jakob Camerarius
- Angus Ewan Cameron
- Tommaso Campanella
- Giuseppe Campani
- Campanus of Novara
- Douglas Houghton Campbell
- Ian Campbell
- Norman Robert Campbell
- William Wallace Campbell
- Peter Camper
- Charles-Étienne-Louis Camus
- Giovan Battista Canano
- Franz Ludwig von Cancrin
- Alphonse de Candolle
- Augustin-Pyramus de Candolle
- Stanislao Cannizzaro
- Annie Jump Cannon
- Walter Bradford Cannon
- John Canton
- Georg Cantor
- Moritz Benedikt Cantor
- Baldassar Capra
- Juan Caramuel y Lobkowitz
- Arnould Carangeot
- Constantin Carathéodory
- Pierre de Carcavi
- Girolamo Cardano
- Anthony Carlisle
- Anton Julius Carlson
- Rudolf von Carnall
- Lazare-Nicolas-Marguerite Carnot
- Nicolas Léonard Sadi Carnot
- Heinrich Caro
- Wallace Hume Carothers
- Henry Cort Harold Carpenter
- William Benjamin Carpenter
- Herbert Wildon Carr
- Alexis Carrel
- Richard Christopher Carrington
- James Carroll
- Rachel Louise Carson
- Élie Cartan
- Julius Victor Carus
- Paul Carus
- Gaspar Roque Francisco Narciso Casal Julian
- Cassegrain
- Giulio Casseri
- César-François Cassini de Thury
- Gian Domenico Cassini
- Jacques Cassini
- Jean-Dominique Cassini
- Flavius Magnus Aurelius Cassiodorus Senator
- Ernst Alfred Cassirer
- Luigi Castaldi
- Louis-Bertrand Castel
- Benedetto Castelli
- Guido Castelnuovo
- Alberto Castigliano
- Johann Castillon
- William Ernest Castle
- Miguel Antonio Catalán
- Pietro Antonio Cataldi
- Mark Catesby
- James McKeen Cattell
- Augustin-Louis Cauchy
- Maurice Caullery
- Bonaventura Cavalieri
- Tiberius Cavallo
- Antonio José Cavanilles
- Henry Cavendish
- Joseph-Bienaimé Caventou
- Lucien Cayeux
- Arthur Cayley
- Eduard Čech
- Juan de Celaya
- Jacques-Philippe-Martin Cels
- Anders Celsius
- Aulus Cornelius Celsus
- Censorinus
- Mieczysław Centnerszwer
- Vicente Cervantes
- Andrea Cesalpino
- Ernesto Cesàro
- Federico Cesi
- Giacinto Cestoni
- Ludolph van Ceulen
- Giovanni Ceva
- Tomasso Ceva
- Laurent Chabry
- James Chadwick
- Carlos Ribeiro Justiniano Chagas
- Ernst Boris Chain
- James Challis
- Charles Joseph Chamberlain
- Charles Edouard Chamberland
- Thomas Chrowder Chamberlin
- Robert Chambers
- Adelbert von Chamisso
- Gustav Charles Bonaventure Chancel
- Seth Carlo Chandler
- Ralph Works Chaney
- Sergei Alekseevich Chaplygin
- Alvan Wentworth Chapman
- David Leonard Chapman
- Frank Michler Chapman
- Sydney Chapman
- Jean-Baptiste Chappe D'Auteroche
- Jean Antoine Chaptal
- Jean-Baptiste Charcot
- Jean-Martin Charcot
- Jean Pierre Chardenon
- Louis-Marie-Hilaire Bernigaud Chardonnet
- Jacques-Alexandre-César Charles
- Walter Charleton
- Johann de Charpentier
- Augustin Georges Albert Charpy
- Michel Chasles
- Gabrielle-Émilie Le Tonnelier de Breteuil Châtelet
- Geoffrey Chaucer
- Guy de Chauliac
- Jean-Baptiste Auguste Chauveau
- Jean François Chazy
- Nikolai Grigorievich Chebotaryov
- Pafnuty Lvovich Chebyshev
- Richard Chenevix
- Dmitri Konstantinovich Chernov
- Ilya Ilyich Chernyaev
- Feodosii Nikolaevich Chernyshev
- Sergei Sergeevich Chetverikov
- Jean-Baptiste-Alphonse Chevallier
- Temple Chevallier
- Pierre Antoine Jean Sylvestre Chevenard
- Michel Eugène Chevreul
- George Cheyne
- Giulio Chiarugi
- Alexei Yevgenievich Chichibabin
- Harriette Chick
- Charles Manning Child
- Joshua Childrey
- Ch'in Chiu-Shao
- Russell Henry Chittenden
- Ernst Florenz Friedrich Chladni
- Robert Chodat
- Christian Christiansen
- Samuel Hunter Christie
- William Henry Mahoney Christie
- Jacob Christmann
- Elwin Bruno Christoffel
- Nicholas Constantine Christofilos
- Jules de Christol
- George Chrystal
- Chu Shih-Chieh
- Lev Aleksandrovich Chugaev
- Nicolas Chuquet
- Leon Chwistek
- Giacomo Luigi Ciamician
- Pedro Ciruelo
- Alexis-Claude Clairaut
- Ludwig Claisen
- Benoit-Pierre-Émile Clapeyron
- Alvan Clark
- Josiah Latimer Clark
- Thomas Clark
- William Mansfield Clark
- Edward Daniel Clarke
- Frank Wigglesworth Clarke
- Samuel Clarke
- William Branwhite Clarke
- Alexander Classen
- François Auguste Claude
- Georges Claude
- Adolf Carl Ludwig Claus
- Carl Ernst Claus
- Jens Christen Clausen
- Thomas Clausen
- Rudolf Clausius
- Christoph Clavius
- Jacob Clay
- Parker Cleaveland
- Rudolf Friedrich Alfred Clebsch
- Ralph Erskine Cleland
- Nicholas Clément
- Frederic Edward Clements
- Cleomedes
- Carl Alexander Clerck
- Claude Clerselier
- Per Teodor Cleve
- William Kingdon Clifford
- William Clift
- Hans Cloos
- Jean-François Clouet
- William Weber Coblentz
- Igino Cocchi
- William Gemmell Cochran
- John Douglas Cockcroft
- Delfino Codazzi
- George Ellett Coghill
- Carlo Francesco Cogrossi
- Ernst Julius Cohen
- Morris Raphael Cohen
- Edwin Joseph Cohn
- Ferdinand Julius Cohn
- Lassar Cohn
- Volcher Coiter
- Cadwallader Colden
- Ludvig August Colding
- Frank Nelson Cole
- Leon Jacob Cole
- Hippolyte-Victor Collet-Descotils
- John Norman Collie
- John Collins
- Peter Collinson
- James Bertram Collip
- Realdo Colombo
- Christopher Columbus
- José Comas Solá
- Charles-Pierre-Mathieu Combes
- Raoul Combes
- John Amos Comenius
- Federico Commandino
- Philibert Commerson
- Andrew Ainslie Common
- Arthur Holly Compton
- Karl Taylor Compton
- Leslie John Comrie
- George Cary Comstock
- Isidore Auguste Marie François Xavier Comte
- James Bryant Conant
- Étienne Bonnot Abbé de Condillac
- Marie-Jean-Antoine-Nicolas Caritat Condorcet
- William Congreve
- Edwin Grant Conklin
- Conon of Samos
- Timothy Abbott Conrad
- Constantine the African
- William Daniel Conybeare
- James Cook
- Josiah Parsons Cooke
- Julian Lowell Coolidge
- William David Coolidge
- Thomas Cooper
- Hippolyte Eugène Copaux
- Edward Drinker Cope
- Nicholas Copernicus
- Orso Mario Corbino
- Pierre-Louis-Antoine Cordier
- Euricius Cordus
- Valerius Cordus
- Gerty Theresa Radnitz Cori
- Gaspard Gustave de Coriolis
- Claude-Melchior Cornette
- Marie Alfred Cornu
- Luis Nuñez Coronel
- Vincenzo Maria Coronelli
- Carl Franz Joseph Erich Correns
- Carl Wilhelm Correns
- Martín Cortes de Albacar
- Alfonso Giacomo Gaspare Corti
- Bonaventura Corti
- Jean-Nicolas Corvisart
- Alfonso Cossa
- Eugène Maurice Pierre Cosserat
- Julien Noël Costantin
- Dirk Coster
- Roger Cotes
- Carl Bernhard von Cotta
- Louis Cotte
- Aimé-Auguste Cotton
- Frederick Gardner Cottrell
- Domenico Felice Antonio Cotugno
- Elliott Coues
- Charles Augustin Coulomb
- William Thomas Councilman
- Archibald Scott Couper
- Antoine-Augustin Cournot
- Gaspard le Compasseur de Créquy-Montfort Courtivron
- Bernard Courtois
- Louis Couturat
- Philip Herbert Cowell
- William Crabtree
- John Craig
- Gabriel Cramer
- Johann Andreas Cramer
- Henry Edward Crampton
- Adair Crawford
- Hermann Georg Credner
- Charles Creighton
- Lorenz Florenz Friedrich von Crell
- August Leopold Crelle
- Antonio Luigi Gaudenzio Giuseppe Cremona
- Hasdai Crescas
- Henry Crew
- James Croll
- Oswald Crollius
- Andrew Claude de la Cherois Crommelin
- Axel Fredrik Cronstedt
- William Crookes
- William Croone
- Charles Whitman Cross
- Jean-Pierre de Crousaz
- William Cumberland Cruikshank
- Walter Crum
- Jean Cruveilhier
- Oswaldo Gonçalves Cruz
- Ctesibius
- Ralph Cudworth
- Lucien Cuénot
- William Cullen
- Karl Culmann
- James Cumming
- José Anastácio da Cunha
- Joseph Thomas Cunningham
- Marie Curie
- Pierre Curie
- Heber Doust Curtis
- Ralph Hamilton Curtiss
- Theodor Curtius
- E. L. W. Maximilian Curtze
- Nicholas von Cusa
- Harvey Williams Cushing
- Joseph Augustine Cushman
- Arthur Robertson Cushny
- Frédéric Cuvier
- Georges Cuvier
- Johann Baptist Cysat
- Aleksander Piotr Czekanowski
- Johann Nepomuk Czermak
- Jan Czerski
?
- Gunnar Dahlberg
- Giotto Dainelli
- Henry Drysdale Dakin
- Giorgio Dal Piaz
- Henry Hallett Dale
- Jacques Daléchamps
- Joachim Dalencé
- Thomas François Dalibard
- William Healey Dall
- John Dalton
- John Call Dalton
- Reginald Aldworth Daly
- Henrik Dam
- James Dwight Dana
- Germinal Pierre Dandelin
- Charles Haskell Danforth
- John Frederic Daniell
- Farrington Daniels
- Egnatio Danti
- David van Dantzig
- Jean-Gaston Darboux
- Jean D'Arcet
- Patrick D'Arcy
- Cyril Dean Darlington
- William Darlington
- Charles Galton Darwin
- Charles Robert Darwin
- Erasmus Darwin
- Francis Darwin
- George Howard Darwin
- Daśabala
- Cunradus Dasypodius
- Louis-Jean-Marie Daubenton
- Charles Giles Bridle Daubeny
- Gabriel-Auguste Daubrée
- Casimir Joseph Davaine
- Charles Benedict Davenport
- Harold Davenport
- Tannatt William Edgeworth David
- August Yulevich Davidov
- D(Elbert) Dwight Davis
- William Morris Davis
- William Davison
- Clinton Joseph Davisson
- Humphry Davy
- John Davy
- William Rutter Dawes
- Charles Dawson
- John William Dawson
- David Talbot Day
- Anton De Bary
- Gavin Rylands De Beer
- Lee De Forest
- Jan Cornets De Groot
- Johannes De Groot
- Henry Thomas De La Beche
- Warren De La Rue
- Augustus De Morgan
- Bashford Dean
- Florimond Debeaune
- Frank Debenham
- Henri Jules Debray
- Peter Joseph William Debye
- Claude François Milliet Dechales
- Joseph Déchelette
- Heinrich von Dechen
- Richard Dedekind
- John Dee
- Everette Lee DeGolyer
- Max Dehn
- Gabriel Delafosse
- Yves Delage
- Richard Delamain
- Jean-Baptiste Joseph Delambre
- Charles-Eugène Delaunay
- Stéphane-Marcel Delépine
- Alire Delile
- Guillaume Delisle
- Joseph-Nicolas Delisle
- Giovanni Maria Della Torre
- Eugène Joseph Delporte
- Jean Frédéric Auguste Delsarte
- Jean André Deluc
- Ercole Dembowski
- Milislav Demerec
- Democritus
- Jean-Baptiste Denis
- Arnaud Denjoy
- David Mathias Dennison
- Antoine Deparcieux
- Charles Depéret
- Marcel Deprez
- William Derham
- Charles Derosne
- Konstantin Mikhailovich Deryugin
- Alfred-Louis-Olivier Legrand Des Cloizeaux
- John Theophilus Desaguliers
- Girard Desargues
- René du Perron Descartes
- Michel Étienne Descourtilz
- Gerard Paul Deshayes
- Henri Deslandres
- Nicolas Desmarest
- Pierre Jean Édouard Desor
- Charles-Bernard Desormes
- Jean Despagnet
- Victor Dessaignes
- Henri Devaux
- Henri Étienne Sainte-Claire Deville
- James Dewar
- Roscoe Gilkey Dickinson
- Leonard Eugene Dickson
- Samuel Dickstein
- Denis Diderot
- Otto Paul Hermann Diels
- Dietrich von Freiberg
- Wilhelm Otto Dietrich
- Kenelm Digby
- Leonard Digges
- Thomas Digges
- Johann Jacob Dillenius
- Dinakara
- Hugo Albert Emil Hermann Dingler
- Ulisse Dini
- Dinostratus
- Diocles
- Diocles of Carystus
- Achille-Pierre Dionis du Séjour
- Dionysodorus
- Diophantus of Alexandria
- Pedanius Dioscorides
- Paul Adrien Maurice Dirac
- Gustav Peter Lejeune Dirichlet
- William Dittmar
- Eustachio Divini
- Prokop Diviš
- Harold Baily Dixon
- Henry Horatio Dixon
- Jeremiah Dixon
- Cecil Clifford Dobell
- Theodosius Dobzhansky
- Denis Dodart
- Charles Lutwidge Dodgson
- Rembert Dodoens
- Cornelio August Severinus Doelter
- Valentin Alexandrovich Dogel
- Felix Anton Dohrn
- Vasilii Vasilevich Dokuchaev
- Louis Antoine Marie Joseph Dollo
- John Dollond
- Dieudonné Dolomieu
- Gerhard Domagk
- Joseph Dombey
- Dominicus de Dominicus de Clavasio
- Marko Antonije Dominis
- Domninus of Larissa
- Henry Herbert Donaldson
- Giovan Battista Donati
- Franciscus Cornelis Donders
- Giovanni Dondi
- Frederick George Donnan
- Johann Gabriel Doppelmayr
- Johann Christian Doppler
- Hendrik Berend Dorgelo
- Gerard Dorn
- Carl W. M. Dorno
- Dorotheus of Sidon
- Dositheus
- James Douglas
- Jesse Douglas
- Heinrich Wilhelm Dove
- Arthur Matthew Weld Downing
- Jules Joseph Drach
- Jacques-Philippe-Raymond Draparnaud
- Henry Draper
- John William Draper
- Cornelius Drebbel
- Johann Louis Emil Dreyer
- Hans Adolf Eduard Driesch
- Paul Karl Ludwig Drude
- Hugh Latimer Dryden
- Erich von Drygalski
- Emil Heinrich Du Bois–Reymond
- Paul David Gustav Du Bois–Reymond
- Pierre-Louis-Georges Du Buat
- Jean-Baptiste Du Hamel
- Théodose Achille Louis Du Moncel
- Alexander Logie Du Toit
- William Duane
- Johann Wolfgang Döbereiner
- Angelo Dubini
- Jacques Dubois
- Raphael-Horace Dubois
- Octave Duboscq
- Joseph Duchesne
- Émile Duclaux
- Andreas Dudith
- Robert Dudley
- Charles-François de Cisternai Dufay
- Guillaume-Henri Dufour
- Ours-Pierre-Armand Dufrénoy
- Raymond Smith Dugan
- Benjamin Minge Duggar
- Henri-Louis Duhamel du Monceau
- Jean-Marie-Constant Duhamel
- Pierre-Maurice-Marie Duhem
- Félix Dujardin
- Jean Dullaert of Ghent
- Ignaz Döllinger
- Pierre Louis Dulong
- Jean-Baptiste-André Dumas
- André-Marie-Constant Duméril
- Jesse William Monroe Dumond
- Carl Owen Dunbar
- John Charles Duncan
- Archibald Cochrane Dundonald
- Nils Christofer Dunér
- Robley Dunglison
- Leslie Clarence Dunn
- Louis Dominique Joseph Armand Dunoyer de Segonzac
- John Duns Scotus
- Louis-Isidore Duperrey
- Pierre-Charles-François Dupin
- Athanase Louis Victoire Dupré
- Albrecht Dürer
- Georg Samuel Dürffel
- René-Joachim-Henri Dutrochet
- Clarence Edward Dutton
- Mathias Marie Duval
- Joseph-Guichard Duverney
- Iustin Evdokimovich Dyadkovsky
- Walther Franz Anton von Dyck
- Frank Watson Dyson
?
- Edward Murray East
- Cornelis Easton
- Amos Eaton
- Johann Gottfried Ebel
- Carl Joseph Eberth
- Carl Henry Eckart
- Wallace John Eckert
- Arthur Stanley Eddington
- Cornelis Hendrik Edelman
- Josef Ḿaria Eder
- Johanna Gabrielle Otillie Edinger
- Thomas Alva Edison
- David Edwardes
- Austin Burton Edwards
- William Frédéric Edwards
- Antonio Caetano de Abreu Freire Egas Moniz
- Dimitrii Fedorovich Egorov
- Christian Gottfried Ehrenberg
- Paul Ehrenfest
- Felix Ehrenhaft
- Charles Ehresmann
- Georg Dionysius Ehret
- Paul Ehrlich
- Aleksandr Aleksandrovich Eichenwald
- August Wilhelm Eichler
- Karl Eduard Ivanovich Eichwald
- Carl H. Eigenmann
- Christiaan Eijkman
- Theodor Gustav Heinrich Eimer
- Albert Einstein
- Willem Einthoven
- Luther Pfahler Eisenhart
- Ferdinand Gotthold Max Eisenstein
- Anders Gustaf Ekeberg
- Vagn Walfrid Ekman
- Fausto d'Elhuyar
- Juan José d'Elhuyar
- Jean-Baptiste-Armand-Louis-Léonce Élie de Beaumont
- William Lewis Elkin
- Johann Theodor Eller von Brockhausen
- Grafton Elliot Smith
- William Ellis
- Johann Philipp Ludwig Julius Elster
- Conrad Arnold Elvehjem
- Pio Emanuelli
- Gustav Embden
- Robert Emden
- Benjamin Kendall Emerson
- Robert Emerson
- Ebenezer Emmons
- Samuel Franklin Emmons
- Empedocles of Acragas
- Johann Franz Encke
- Friedrich Engel
- George Engelmann
- Theodor Wilhelm Engelmann
- Friedrich Engels
- Heinrich Gustav Adolf Engler
- Federigo Enriques
- David Enskog
- George Ent
- Epicurus
- Paul Sophus Epstein
- Erasistratus
- Thomas Erastus
- Eratosthenes
- Lazarus Ercker
- Arthur Erdélyi
- Otto Linné Erdmann
- Johannes Scottus Eriugena
- Joseph Erlanger
- Richard August Carl Emil Erlenmeyer
- Georg Adolph Erman
- Léo-Abram Errera
- Hans Ertel
- Hans Conrad Escher von Der Linth
- Hans Conrad Escher von der Linth
- Berend George Escher
- Theodor Escherich
- Mikkel Pedersön Escholt
- Johann Friedrich Eschscholtz
- Ernest Benjamin Esclangon
- Pentti Elias Eskola
- James Pollard Espy
- William Esson
- Charles Estienne
- Arnold Thomas Eucken
- Euclid
- Euctemon
- Eudemus of Rhodes
- Eudoxus of Cnidus
- Leonhard Euler
- Hans Karl August Simon von Euler-Chelpin
- Bartolomeo Eustachi
- Eutocius of Ascalon
- Baron von Eötvös
- Alexander William Evans
- Frederick John Owen Evans
- Griffith Conrad Evans
- Lewis Evans
- William Harry Evans
- John Evelyn
- John Evershed
- Paul Peter Ewald
- James Ewing
- James Alfred Ewing
- William Maurice Ewing
- Henry Eyring
- Johann Albert C. Eytelwein
- Abraham Ben Meir ibn Ezra
?
- Giovanni Valentino Mattia Fabbroni
- Jean Henri Fabre
- Honoré Fabri
- Girolamo Fabrici
- Johann Christian Fabricius
- Charles Fabry
- Louis Fabry
- Giovanni Francesco Fagnano dei Toschi
- Giulio Carlo Fagnano dei Toschi
- Daniel Gabriel Fahrenheit
- Kasimir Fajans
- Hugh Falconer
- Gabriele Falloppio
- Isidor Fankuchen
- Gino Fano
- Abū Naṣr Muḥammad ibn Muḥammad ibn Ṭarkhan ibn Awzalagh al-Fārābī
- Michael Faraday
- John Farey
- Abu'l-ʿAbbās Aḥmad ibn Muḥammad ibn Kathīr al-Farghānī
- Laszlo Farkas
- John Bretland Farmer
- John Farrar
- Pierre Joseph Louis Fatou
- Barthélemy Faujas de Saint-Fond
- Johann Faulhaber
- Alexei Yevgrafovich Favorsky
- Pierre Antoine Favre
- Hervé Faye
- Muḥammad ibn Ibrāhīm al-Fazārī
- George William Featherstonhaugh
- Gustav Theodor Fechner
- Berend Wilhelm Feddersen
- Evgenii Konstantinovich Fedorov
- Antoine-Laurent-Apollinaire Fée
- Georg Feigl
- Lipót Fejér
- William Feller
- Wallace Osgood Fenn
- Nevin Melancthon Fenneman
- Clarence Norman Fenner
- James Ferguson
- Pierre de Fermat
- Enrico Fermi
- Merritt Lyndon Fernald
- Jean François Fernel
- Ludovico Ferrari
- Galileo Ferraris
- Antoine Ferrein
- William Ferrel
- David Ferrier
- Scipione dal Ferro
- Aleksandr Evgenievich Fersman
- Reginald Aubrey Fessenden
- Karl Wilhelm Feuerbach
- Louis Feuillée
- Robert Joachim Feulgen
- Leonardo Fibonacci
- Lazare-Eugène Fichot
- Adolf Eugen Fick
- John Charles Fields
- Louis Frederick Fieser
- Noël Fiessinger
- Paul Gordon Fildes
- Iurii Aleksandrovich Filipchenko
- Henry Burchard Fine
- Oronce Fine
- Thomas Fink
- Carlos Juan Finlay
- Niels Ryberg Finsen
- Firmicus Maternus
- Emil Hermann Fischer
- Hans Fischer
- Hermann Otto Laurenz Fischer
- Nicolaus Wolfgang Fischer
- Ronald Aylmer Fisher
- Asa Fitch
- Rudolph Fittig
- William Henry Fitton
- George Francis Fitzgerald
- Robert Fitzroy
- Armand-Hippolyte-Louis Fizeau
- Camille Flammarion
- John Flamsteed
- Paul Emil Flechsig
- Johannes Fleischer
- Alexander Fleming
- John Fleming
- John Ambrose Fleming
- Williamina Paton Fleming
- Walther Flemming
- Walter Morley Fletcher
- John Smith Flett
- Simon Flexner
- Howard Walter Florey
- Marie-Jean-Pierre Flourens
- William Henry Flower
- Robert Fludd
- August Frederick Foerste
- Vladimir Aleksandrovich Fok
- Hermann Fol
- Otto Folin
- Martin Folkes
- Alexis Fontaine
- Felice Fontana
- Bernard Le Bouyer de Fontenelle
- Alexander Forbes
- Edward Forbes
- James David Forbes
- Stephen Alfred Forbes
- Johan Georg Forchhammer
- Mathurin-Joseph Fordos
- Auguste-Henri Forel
- François Alphonse Forel
- Peter Forsskål
- Georg Adam Forster
- Johann Reinhold Forster
- Andrew Russell Forsyth
- Jean Nicolas Fortin
- William Frederick Foshag
- Henry Foster
- Michael Foster
- Jean-Bernard-Léon Foucault
- Jean-Paul Grandjean de Fouchy
- Ferdinand André Fouqué
- Antoine François de Fourcroy
- Jean-Baptiste-Joseph Fourier
- Paul Fourmarier
- Ernest Fourneau
- Benoît Fourneyron
- Alfred Fowler
- Ralph Howard Fowler
- George Fownes
- Girolamo Fracastoro
- Adolf Abraham Fraenkel
- Julien Fraipont
- François Français
- Jacques Frédéric Français
- Piero della Francesca
- Francis of Marchia
- Francis of Meyronnes
- James Franck
- Sebastian Franck
- Philipp Frank
- Moritz Ludwig Frankenheim
- Edward Frankland
- Percy Faraday Frankland
- Benjamin Franklin
- Rosalind Elsie Franklin
- Joseph Fraunhofer
- James George Frazer
- René Maurice Fréchet
- Frederick II of Hohenstaufen
- Léon Fredericq
- Ivar Fredholm
- Friedrich Ludwig Gottlob Frege
- Johann Karl Freiesleben
- John Freind
- Edmond Frémy
- Jean-Frédéric Frenet
- Bernard Frenicle De Bessy
- Yakov Ilyich Frenkel
- Friedrich August Frenzel
- John Frere
- Carl Remigius Fresenius
- Augustin Jean Fresnel
- Sigmund Freud
- Karl Johann Freudenberg
- Erwin Finlay Freundlich
- Herbert Max Finlay Freundlich
- Maximilian Ruppert Franz von Frey
- Georges Friedel
- Aleksandr Aleksandrovich Friedman
- John Albert Newton Friend
- Elias Magnus Fries
- Jakob Friedrich Fries
- Karl Ritter von Frisch
- Otto Robert Frisch
- Paolo Frisi
- Gustav Theodor Fritsch
- Carl Julius Fritzsche
- Georg Ferdinand Frobenius
- Edwin Brant Frost
- William Froude
- Aleksandr Naumovich Frumkin
- Guido Fubini
- Immanuel Lazarus Fuchs
- Johann Nepomuk von Fuchs
- Leonhart Fuchs
- Georg Christian Füchsel
- Karl Rudolf Fueter
- Johann Karl Fuhlrott
- John Farquhar Fulton
- Casimir Funk
- August Föppl
- Jean Fusoris
- Nicolaus Fuss
- Evgraf Stepanovich Fyodorov
?
- William More Gabb
- Dennis Gabor
- Siegmund Gabriel
- Johan Gadolin
- Wolfgang Gaede
- Joseph Gaertner
- Karl Friedrich von Gaertner
- Georg Theodor August Gaffky
- Domenico Gagliardi
- Élie Gagnebin
- Johan Gottlieb Gahn
- Aimable Jean-Baptiste Gaillot
- Joseph Paul Gaimard
- Walter Lee Gaines
- Domenico Gusmano Galeazzi
- Galen
- Boris Grigorievich Galerkin
- Galileo Galilei
- Vincenzio Galilei
- Franz Joseph Gall
- Johann Gottfried Galle
- Jean Gallois
- Evariste Galois
- Francis Galton
- Luigi Galvani
- Nikolay Fyodorovich Gamaleya
- Henri-Prudence Gambey
- George Gamow
- Gaṇeśa Daivajna
- Antonio Giorgio Garbasso
- Thomas Garnett
- Prosper Garnot
- Lazare Garreau
- Archibald Edward Garrod
- Walter Garstang
- William Gascoigne
- Walter Holbrook Gaskell
- Pierre Gassendi
- Herbert Spencer Gasser
- John Peter Gassiot
- Reginald Ruggles Gates
- Marc Antoine Augustin Gaudin
- Albert Jean Gaudry
- Henri-François Gaultier de Claubry
- Carl Friedrich Gauss
- Armand E.-J. Gautier
- Paul Ferdinand Gautier
- Frederick Parker Gay
- Louis Gayant
- Joseph-Louis Gay-Lussac
- Charles de Geer
- Gerhard Jakob de Geer
- Carl Gegenbaur
- Adolf Ferdinand Gehlen
- Hans Geiger
- Archibald Geikie
- James Geikie
- Karl Friedrich Geiser
- Johann Heinrich Wilhelm Geissler
- F. K. Hans Geitel
- Alexandr Osipovich Gelfond
- Henry Gellibrand
- Paul Josef Jakob Gelmo
- Geminus
- Thomas Geminus
- Reiner Gemma Frisius
- Frederick Augustus Genth
- Gerhard Gentzen
- Étienne Geoffroy Saint-Hilaire
- Isidore Geoffroy Saint-Hilaire
- Claude Joseph Geoffroy
- Étienne François Geoffroy
- Étienne Louis Geoffroy
- Gerard of Brussels
- Gerard of Cremona
- Gerard of Silteo
- John Gerard
- Boris Petrovich Gerasimovich
- Gerbert d'Gerbert
- Marcus Gerbezius
- Joseph Diaz Gergonne
- Charles Frédéric Gerhardt
- Sophie Germain
- Henricus Martellus Germanus
- Arnold Lucius Gesell
- Konrad Gesner
- Johannes Gessner
- Anton Geuther
- Marino Ghetaldi
- Luca Ghini
- Martino Ghisi
- Alfred Giard
- William Francis Giauque
- Josiah Willard Gibbs
- Wolcott Gibbs
- Friedrich Oskar Giesel
- Maurice Gignoux
- Grove Karl Gilbert
- William Gilbert
- Giles of Lessines
- Giles of Rome
- David Gill
- Theodore Nicholas Gill
- James Gilluly
- Giovanni Giorgi
- Albert Girard
- Pierre-Simon Girard
- Christoph Girtanner
- John Hall Gladstone
- James Glaisher
- James Whitbread Lee Glaisher
- Joseph Glanvill
- Christopher Glaser
- Johann Heinrich Glaser
- Johann Rudolph Glauber
- Richard Tetley Glazebrook
- Wilhelm Friedrich von Gleichen-Russworm
- Marcel-Eugène-Émile Gley
- Francis Glisson
- Johann Georg Gmelin
- Leopold Gmelin
- Nicolas-Théodore Gobley
- Robert Hutchings Goddard
- Thomas Godfrey
- Louis Godin
- Robert Alfred Cloyne Godwin-Austen
- Karl Goebel
- Johannes Goedaert
- Heinrich Robert Goeppert
- Johann Wolfgang von Goethe
- Alexander Wilhelm Goette
- Jacques Gohory
- Christian Goldbach
- Joseph Goldberger
- Winifred Goldring
- Richard Benedict Goldschmidt
- Victor Goldschmidt
- Victor Moritz Goldschmidt
- Eugen Goldstein
- Camillo Golgi
- Boris Borisovich Golitsyn
- Friedrich Leopold Goltz
- Moses Gomberg
- Benjamin Gompertz
- Edwin Stephen Goodrich
- John Goodricke
- John Goodsir
- Thomas Harper Goodspeed
- Paul Albert Gordan
- Walter Gordon
- George Gore
- Michele Gortani
- Jules-Auguste Gosselet
- William Sealy Gosset
- Samuel Abraham Goudsmit
- Augustus Addison Gould
- Benjamin Apthorp Gould
- John Gould
- Édouard Jean-Baptiste Goursat
- Louis-Georges Gouy
- Regnier de Graaf
- Amadeus William Grabau
- Karl James Peter Graebe
- Kasimir Romuald Graff
- Karl Heinrich Gräffe
- George Graham
- Thomas Graham
- Hans Christian Joachim Gram
- Zénobe-Théophile Gramme
- Antoine Alfred Arnaud Xavier Louis de Gramont
- Cyrille Grand'eury
- Guido Grandi
- Walter Willis Granger
- Franz Grashof
- Giovanni Battista Grassi
- Hermann Günther Grassmann
- Louis Pierre Gratiolet
- John Graunt
- Dmitry Aleksandrovich Grave
- Willem Jacob 's Gravesande
- Asa Gray
- Henry Gray
- Stephen Gray
- George Green
- Jacob Green
- George Bellas Greenough
- Isaac Greenwood
- David Gregory
- Duncan Farquharson Gregory
- Frederick Gugenheim Gregory
- James Gregory
- Olinthus Gilbert Gregory
- William Gregory
- William King Gregory
- Friedrich Albrecht Carl Gren
- Amanz Gressly
- Nehemiah Grew
- Johann Peter Griess
- Richard John Griffith
- William Griffith
- François Auguste Victor Grignard
- Gerrit Grijns
- Francesco Maria Grimaldi
- Joseph Grinnell
- August Heinrich Rudolf Grisebach
- Federico de Grisogono
- Albrecht von Groddeck
- Walter Robert Gross
- Robert Grosseteste
- Ernst A. F. W. Grossmann
- Marcel Grossmann
- Augustus Radcliffe Grote
- Paul Heinrich von Groth
- Theodor Grotthuss
- William Robert Grove
- Howard Grubb
- Thomas Grubb
- Johann Ulrich Grubenmann
- Max von Gruber
- David Gruby
- Jean Paul Gua de Malves
- Giovanni Battista Guccia
- Johann Bernhard Aloys von Gudden
- Kurt Friedrich Gödel
- Christoph Gudermann
- Adam Wilhelm Siegmund Guenther
- Otto von Guericke
- William Minot Guertler
- Jean-Étienne Guettard
- Nicolas Guibert
- Guido Guidi
- Jean-Louis-Léon Guignard
- Charles Édouard Guillaume
- Léon Alexandre Guillet
- Marie Antoine Alexandre Guilliermond
- Joannes Guinter
- Cato Maximilian Guldberg
- Paul Guldin
- John Thomas Gulick
- John Masson Gulland
- Allvar Gullstrand
- Dominicus Gundissalinus
- Edmund Gunter
- Adolph Göpel
- Arthur Görgey
- Aleksandr Gavrilovich Gurvich
- Felix Alexander Gutbier
- Beno Gutenberg
- Charles-Eugène Guye
- Michael Frederic Guyer
- Arnold Henri Guyot
- Louis Bernard Guyton de Morveau
- David Thomas Gwynne-Vaughan
- Leonhard Gyllenhaal
?
- Theodore Haak
- Alfréd Haar
- Arthur Erich Haas
- Wander Johannes de Haas
- Johann Franz Julius von Haast
- Aḥmad ibn ʿAbdallāh al-Marwazī Ḥabash al-Ḥāsib
- Fritz Haber
- Gottlieb Haberlandt
- Jean Nicolas Pierre Hachette
- Jacques Hadamard
- Robert Abbott Hadfield
- John Hadley
- Ernst Hadorn
- Ernst Heinrich Philipp August Haeckel
- Waldemar Mordecai Wolfe Haffkine
- Arnold Hague
- Otto Hahn
- Christian Friedrich Samuel Hahnemann
- Wilhelm Karl Haidinger
- Richard Hakluyt
- John Burdon Sanderson Haldane
- John Scott Haldane
- Richard Burdon Haldane
- George Ellery Hale
- William Hale
- Stephen Hales
- Asaph Hall
- Charles Martin Hall
- Edwin Herbert Hall
- Granville Stanley Hall
- James Hall
- Marshall Hall
- Sir James Hall
- Albrecht von Haller
- Edmond Halley
- William Dobinson Halliburton
- Ernst Hans Hallier
- Wilhelm Ludwig Franz Hallwachs
- Jacob Karl Ernst Halm
- Georges-Henri Halphen
- George Bruce Halsted
- William Stewart Halsted
- Axel Hamberg
- Abū Muḥammad al-Ḥasan ibn Aḥmad ibn YaʿQūb al-Hamdānī
- William Hamilton
- William Rowan Hamilton
- William Hampson
- Maurice Théodore Adolphe Hamy
- Hermann Hankel
- Wilhelm Gottlieb Hankel
- Julius Ferdinand von Hann
- Emil Christian Hansen
- Gerhard Henrik Armauer Hansen
- Peter Andreas Hansen
- William Webster Hansen
- Aleksey Pavlovich Hansky
- Christopher Hansteen
- Arthur Rudolf Hantzsch
- Walter Helmut Häntzschel
- A. G. Vernon Harcourt
- Arthur Harden
- Carl Ludwig Harding
- Claude Hardy
- Godfrey Harold Hardy
- William Bate Hardy
- Robert Hare
- Haridatta I
- Haridatta II
- Charles Robert Harington
- Harish-Chandra
- Alfred Harker
- William Draper Harkins
- William Harkness
- Richard Harlan
- Robert Almer Harper
- Roland McMillan Harper
- Henrik Harpestraeng
- Thomas Harriot
- John Harris
- John Harrison
- Ross Granville Harrison
- Edwin Bret Hart
- Theodor Hartig
- Pieter Harting
- David Hartley
- Samuel Hartlib
- Carl Friedrich Alexander Hartmann
- Georg Hartmann
- Johannes Hartmann
- Johannes Franz Hartmann
- Douglas Rayner Hartree
- Nicolaas Hartsoeker
- Ernst Hartwig
- Edmund Newton Harvey
- William Harvey
- William Henry Harvey
- Friedrich Hasenöhrl
- Helmut Hasse
- Jean-Henri Hassenfratz
- Ferdinand Rudolph Hassler
- Charles Hatchett
- Berthold Hatschek
- Gustave Emile Haug
- Francis Hauksbee
- Felix Hausdorff
- Paul Gabriel Hautefeuille
- René-Just Haüy
- Clopton Havers
- Adrian Hardy Haworth
- Walter Norman Haworth
- Abū'l-Qāsim Muḥammad ibn Ḥawqal
- Ferdinand Vandiveer Hayden
- John Fillmore Hayford
- Abū ʿAlī al-Ḥasan ibn al-Ḥasan ibn al-Haytham
- Thomas Little Heath
- Oliver Heaviside
- Hecataeus of Miletus
- Daniel Friedrich Hecht
- Erich Hecke
- Sven Anders Hedin
- Johann Hedwig
- Oswald Heer
- Bruce C. Heezen
- Friedrich Franz von Hefner-Alteneck
- Martin Heidenhain
- Rudolf Peter Heinrich Heidenhain
- Ian Morris Heilbron
- Hans Arnold Heilbronn
- Albert Heim
- Albert Arnold Heim
- Heinrich Eduard Heine
- Oskar August Heinroth
- Werner Karl Heisenberg
- Weikko Aleksanteri Heiskanen
- Lorenz Heister
- Ludvig Hektoen
- Maximilian Hell
- Bjørn Helland-Hansen
- Ernst Hellinger
- Jean Hellot
- Hermann Hellriegel
- Eduard Helly
- Grigory Petrovich Helmersen
- Friedrich Robert Helmert
- Hermann von Helmholtz
- Johannes Helmont
- Johann Friedrich Henckel
- Lawrence Joseph Henderson
- Thomas Henderson
- Yandell Henderson
- Arthur Henfrey
- Hermann Henking
- Friedrich Gustav Jacob Henle
- Emil Hans Willi Hennig
- Victor Henri
- Sophus Henrichsen
- Denis Henrion
- Henry Bate of Malines
- Henry of Hesse
- Henry of Mondeville
- Joseph Henry
- Paul Pierre Henry
- Thomas Henry
- William Henry
- Kurt Hensel
- Christian Hensen
- John Stevens Henslow
- Heraclides Ponticus
- Heraclitus of Ephesus
- John Herapath
- William Bird Herapath
- Johann Friedrich Herbart
- William Herbert
- Jacques Herbrand
- Curt Alfred Herbst
- Félix d'Hérelle
- Pierre Hérigone
- Karl Ewald Konstantin Hering
- Hermann the Lame
- Carl Heinrich Hermann
- Jakob Hermann
- Sigismund Friedrich Hermbstaedt
- Hermes Trismegistus
- Charles Hermite
- Francisco Hernández
- Hero of Alexandria
- Herodotus of Halicarnassus
- Herophilus
- Paul Louis Toussaint Héroult
- Alfonso Luís Herrera
- Charles Judson Herrick
- Caroline Lucretia Herschel
- John Frederick William Herschel
- William Herschel
- Karl Wilhelm Theodor Richard von Hertwig
- Wilhelm August Oscar Hertwig
- Heinrich Rudolf Hertz
- Ejnar Hertzsprung
- Germain Henri Hess
- Harry Hammond Hess
- Victor Franz Hess
- Ludwig Otto Hesse
- Johann Friedrich Christian Hessel
- Hendrik van Heuraet
- Jan van Heurne
- Johannes Hevelius
- György Hevesy
- William Hewson
- Emil Heyn
- Friedrich Anton von Heynitz
- Jaroslav Heyrovský
- William Heytesbury
- Arend Heyting
- Urban Hiärne
- Hicetas of Syracuse
- Bryan Higgins
- William Higgins
- Nathaniel Highmore
- David Hilbert
- Georg Friedrich Hildebrandt
- Hildegard of Bingen
- Thomas Percy Hilditch
- George William Hill
- John Hill
- Lester Sanders Hill
- Maurice Neville Hill
- John Russell Hind
- Carl Friedrich Hindenburg
- Cyril Norman Hinshelwood
- Hipparchus
- Hippias of Elis
- Hippocrates of Chios
- Hippocrates of Cos
- Kiyotsugu Hirayama
- Gustave Adolfe Hirn
- Ludwig Hirszfeld
- Wilhelm His
- Wilhelm Hisinger
- Albert Spear Hitchcock
- Edward Hitchcock
- Johann Wilhelm Hittorf
- Eduard Hitzig
- Johan Hjort
- Dennis Robert Hoagland
- Thomas Hobbes
- Ernest William Hobson
- William Vallance Douglas Hodge
- Eaton Hodgkinson
- Martinus Hoek
- Józef Maria Hoëné-Wroński
- Jan van der Hoeven
- Jan van Der Hoeven
- Jan van der Hoeven
- Karl Ernst Adolf von Hoff
- Friedrich Hoffmann
- August Wilhelm von Hofmann
- Franz Hofmeister
- Wilhelm Friedrich Benedikt Hofmeister
- Paul Henri Thiry Holbach
- Ludwig Christian Friedrich Holborn
- John Edwards Holbrook
- Edward Singleton Holden
- Bernt Michael Holmboe
- Arthur Holmes
- Frithiof Holmgren
- Wilhelm Homberg
- Everard Home
- Kotaro Honda
- Robert Hooke
- Joseph Dalton Hooker
- William Jackson Hooker
- Thomas Charles Hope
- Heinz Hopf
- Frederick Gowland Hopkins
- William Hopkins
- John Hopkinson
- Felix Hoppe-Seyler
- Jan Horbaczewski
- Guido Horn D'Arturo
- George Henry Horn
- Johannes van Horne
- Leonard Horner
- William George Horner
- Thomas Hornsby
- Christian Horrebow
- Peder Nielsen Horrebow
- Jeremiah Horrocks
- Eben Norton Horsford
- Victor Alexander Haden Horsley
- August Friedrich Horstmann
- Martinus Hortensius
- David Hosack
- Guillaume-Jules Hoüel
- George Washington Hough
- Douglass Houghton
- Bernardo Alberto Houssay
- Leland Ossian Howard
- James Lewis Howe
- William Henry Howell
- Aleš Hrdlička
- Edwin Powell Hubble
- Carl Leavitt Hubbs
- Johann Jacob Huber
- Maksymilian Tytus Huber
- Rudolf Otto Anselm Hüber
- Ambrosius Arnold Willem Hubrecht
- Jan Hudde
- Claude Silbert Hudson
- William Hudson
- Friedrich Freiherr von Huene
- Leon Hufnagel
- William Huggins
- Hugh of St. Victor
- Pierre Henri Hugoniot
- Otto Ludwig Hölder
- Albert Wallace Hull
- Marie-Georges Humbert
- Pierre Humbert
- Friedrich Wilhelm Heinrich Alexander von Humboldt
- David Hume
- William Hume-Rothery
- Abū Zayd Ḥunayn ibn Isḥāq al-ʿIbādī
- Canis Hundt
- Otto Hönigschmid
- Frederick Vinton Hunt
- James Hunt
- Reid Hunt
- Thomas Sterry Hunt
- John Hunter
- William Hunter
- Edward Vermilye Huntington
- Witold Hurewicz
- Adolf Hurwitz
- Emil Huschke
- William Joseph Hussey
- John Hutchinson
- Charles Hutton
- James Hutton
- Thomas Henry Huxley
- Christiaan Huygens
- Alpheus Hyatt
- Egil Andersen Hylleraas
- Libbie Henrietta Hyman
- Hypatia
- Hypsicles of Alexandria
- Joseph Hyrtl
?
- Iamblichus
- Carlos Ibáñez E Ibáñez de Ibero
- Ibn Hibintā
- Ibrāhīm ibn Sinān ibn Thābit ibn Qurra
- Ibrāhīm ibn Yaʿqūb al-IsrāʾAīlī al-Turṭushi
- Joseph Paxson Iddings
- Naum Ilich Idelson
- al-Sharīf al-Idrīsī al-Idrīsī
- Vincent Charles Illing
- Akitune Imamura
- Leopold Infeld
- Jan Ingen-Housz
- Giovanni Filippo Ingrassia
- Robert Thorburn Ayton Innes
- Tadataka Inō
- Abram Fedorovich Ioffe
- Vladimir Nikolaevich Ipatiev
- János Irinyi
- Isaac Israeli
- Charles Edward Isaacs
- Abū Yaʿqūb Isḥāq ibn Ḥunayn
- Jun Ishiwara
- Isidore of Seville
- Isidorus of Miletus
- Arturo Issel
- Ilya Ivanovich Ivanov
- Piotr Pavlovich Ivanov
- Dmitri Iosifovich Ivanovsky
- Herbert Eugene Ives
- James Ivory
?
- Abū Muḥammad Jābir ibn Aflaḥ al-Ishbīlī
- Jābir ibn Ḥayyān
- Auguste Jaccard
- Charles Thomas Jackson
- John Hughlings Jackson
- Carl Gustav Jacob Jacobi
- Moritz Hermann von Jacobi
- Walter Abraham Jacobs
- Pierre Armand Jacquet
- Nikolaus Josef Jacquin
- Frans Maurits Jaeger
- Georg Friedrich Jaeger
- Otto Jaekel
- Jagannātha
- Thomas Augustus Jaggar
- Abū ʿUthmān ʿAmr ibn Baḥr al-Jāḥiẓ
- Hans Max Jahn
- James of Venice
- William James
- Robert Jameson
- Zygmunt Janiszewski
- Zacharias Jansen
- Pierre Jules César Janssen
- Antoine Gabriel Jars
- al-ʿAbbās ibn Saʿīd al-Jawharī
- Jayasiṃha
- Abū ʿAbd Allāh Muḥammad ibn Muʿādh al-Jayyānī
- Abu-l-ʿizz Ismāʿīl ibn al-Razzāz al-Jazarīʿ
- James Hopwood Jeans
- Edme-Sébastien Jeaurat
- Thomas Jefferson
- Edward Charles Jeffrey
- John Gwyn Jeffreys
- Zay Jeffries
- Henry Charles Fleeming Jenkin
- John Wilfred Jenkinson
- Edward Jenner
- Herbert Spencer Jennings
- Carl Oluf Jensen
- Johan Ludvig William Valdemar Jensen
- Glen Lowell Jepsen
- Willis Linn Jepson
- George Birch Jerrard
- William Stanley Jevons
- Frank Baldwin Jewett
- Ferdinand Joachimsthal
- Louis Joblot
- Johannes Lauratius de Fundis
- Albert Johannsen
- Wilhelm Ludvig Johannsen
- John of Dumbleton
- John of Gmunden
- Johannes de John of Lignères
- John of Murs
- John of Palermo
- John of Saxony
- John of Sicily
- John Philoponus
- John Simonis of Selandia
- Douglas Wilson Johnson
- Manuel John Johnson
- Thomas Johnson
- Willard Drake Johnson
- William Johnson
- William Ernest Johnson
- Frédéric Joliot
- Irène Joliot-Curie
- Philipp Johann Gustav von Jolly
- John Joly
- Harry Clary Jones
- Walter Jennings Jones
- William Jones
- Ernest Jean Philippe Fauque de Jonquières
- John Jonston
- Camille Jordan
- Claude Jordan
- David Starr Jordan
- Edwin Oakes Jordan
- Ernst Pascual Jordan
- Heinrich Ernst Jordan
- Jordanus de Nemore
- Sophus Mads Jørgensen
- James Prescott Joule
- Jorge Juan y Santacilla
- Chancey Juday
- Sophus Christian Juel
- Joseph Beete Jukes
- Percy Lavon Julian
- Willem Henri Julius
- Sulaymān ibn Ḥasan ibn Juljul
- Johann Juncker
- Carl Gustav Jung
- Joachim Jungius
- Adrien Henri Laurent de Jussieu
- Antoine de Jussieu
- Antoine-Laurent de Jussieu
- Bernard de Jussieu
- Joseph de Jussieu
- Johann Heinrich Gottlob von Justi
?
- Ivan Alexsevich Kablukov
- Engelbert Kaempfer
- Abraham Gotthelf Kaestner
- Benjamin Fedorovich Kagan
- Louis Albrecht Kahlenberg
- Frederik Kaiser
- Pehr Kalm
- László Kalmár
- Theodor Franz Eduard Kaluza
- Kamāl al-Dīn Abu'l Ḥasan Muḥammad ibn al-Ḥasan al-Fārisī
- Kamalākara
- Heike Kamerlingh Onnes
- Kanaka
- Robert John Kane
- Immanuel Kant
- Jacobus Cornelius Kapteyn
- Abū Bakr ibn Muḥammad ibn al Ḥusayn al-Karajī
- Valentin Alekseevich Kargin
- Theodore von Kármán
- Georgii Dmitrievich Karpechenko
- Louis Charles Karpinski
- Alexandr Petrovich Karpinsky
- Paul Karrer
- Karl Johann Bernhard Karsten
- Ghiyāth al-Dīn Jamshīd Masʾūd al-Kāshī
- Henry Kater
- Walter Kaufmann
- Vladimir Vladimirovich Kavraysky
- George Frederick Kay
- Marshall Kay
- Heinrich Johannes Gustav Kayser
- Bartholomew Keckermann
- James Edward Keeler
- Willem Hendrik Keesom
- David Keilin
- James Keill
- John Keill
- James Keir
- Arthur Keith
- August Kekule von Stradonitz
- David Kellner
- Albert Kellogg
- Vernon Lyman Kellogg
- Raymond Alexander Kelser
- Edward Calvin Kendall
- Alexander Blackie William Kennedy
- Arthur Edwin Kennelly
- Johannes Kepler
- Béla Kerékjártó
- John Kerr
- John Graham Kerr
- Keśava
- Charles Franklin Kettering
- Henry Bernard Davis Kettlewell
- John Maynard Keynes
- Alexandr Andreevich Keyserling
- Khaldūn Ibn
- Shams al-Dīn Abū ʿAbdallāh Muḥammad ibn Muḥammad al-Khalīlī
- Morris Selig Kharasch
- Ghiyāth al-Dīn Abu'l-Fath ʿUmar ibn Ibrāhīm al-Nīsā-Būrī al-Khayyāmī
- Abū Jaʿfar Muhammad ibn al-Ḥasan al-Khurāsānī al-Khāzin
- Abu'l-Fatḥ ʿAbd al-Raḥmān al-Khāzinī
- Aleksandr Yakovlevich Khinchin
- Rem Victorovich Khokhlov
- Abū Maḥmūd Ḥāmid ibn al-Khiḍr al-Khujandī
- Conrad Khunrath
- Heinrich Khunrath
- Abu' L-Qāsim ʿUbayd AllāhʿAbd Allāh ibn Khurradādhbih
- Abū ʿAbd Allāh Muḥammad ibn Aḥmad ibn Yūsuf al-Khuwārizmī
- Abū Jaʿfar Muḥammad ibn Mūsā al-Khwārizmī
- John Kidd
- Carl Friedrich Kielmeyer
- Hisashi Kimura
- Abū Yūsuf Yaʿqūb ibn Isḥāq al-Ṣabbāḥ al-Kindī
- Clarence Rivers King
- Harold King
- Helen Dean King
- William Bernard Robinson King
- Ebenezer Kinnersley
- Frederick Stanley Kipping
- Athanasius Kircher
- Konstantin Sigizmundovich Kirchhof
- Gustav Robert Kirchhoff
- David Kirkaldy
- Thomas Penyngton Kirkman
- Daniel Kirkwood
- John Gamble Kirkwood
- Richard Kirwan
- Pál Kitaibel
- Shibasaburo Kitasato
- Johann Gustav Christoffer Kjeldahl
- Martin Heinrich Klaproth
- Georg Albrecht Klebs
- Christian Felix Klein
- Hermann Joseph Klein
- Jacob Theodor Klein
- Oskar Benjamin Klein
- Nicolaus Kleinenberg
- Ewald Georg von Kleist
- Ernst Klenk
- Samuel Klingenstierna
- Georg Simon Klügel
- Albert Jan Kluyver
- Adolf Kneser
- Samuel Howell Knight
- Thomas Andrew Knight
- Nikolai Mikhailovich Knipovich
- Adolph Knopf
- Konrad Knopp
- Georg Wolfgang Knorr
- Ludwig Knorr
- Cargill Gilston Knott
- Robert Knox
- Martin Hans Christian Knudsen
- Vern Oliver Knudsen
- Paul Erich Otto Wilhelm Knuth
- Heinrich Hermann Robert Koch
- Helge von Koch
- Nikolai Yevgrafovich Kochin
- Paul Koebe
- Rudolf Albert von Koelliker
- Joseph Gottlieb Koelreuter
- Johann Samuel Koenig
- Julius Koenig
- Karl Rudolph Koenig
- Gabriel Koenigs
- Charles Atwood Kofoid
- Friedrich Wilhelm Georg Kohlrausch
- Rudolph Herrmann Arndt Kohlrausch
- Adolf Wilhelm Hermann Kolbe
- Gury Vasilievich Kolosov
- Nikolai Konstantinovich Koltzoff
- Ivan Lavrentievich Kondakov
- Laurent-Guillaume de Koninck
- Miklós von Konkoly Thege
- Dmitry Petrovich Konovalov
- Hermann Kopp
- Sergey Pavlovich Korolev
- Diederik Johannes Korteweg
- Karl Martin Leonhard Albrecht Kossel
- Walther Kossel
- Stanisław Kostanecki
- Sergey Konstantinovich Kostinsky
- Aleksandr Petrovich Kotelnikov
- Bunjiro Kotō
- Aleksandr Onufrievich Kovalevsky
- Sonya Kovalevsky
- Vladimir Onufrievich Kovalevsky
- Marian Albertovich Kovalsky
- Lew Kowarski
- Alexandre Koyré
- Jens Kraft
- Hendrik Anthony Kramers
- Chrétien Kramp
- Stepan Petrovich Krasheninnikov
- Andrey Nikolaevich Krasnov
- Theodosy Nicolaevich Krasovsky
- Charles August Kraus
- Ernst Ludwig Krause
- Torichan Pavlovich Kravets
- Cornelis Rudolphus Theodorus Krayenhoff
- Hans Adolf Krebs
- Schack August Steenberg Krogh
- Hugo Kronecker
- Leopold Kronecker
- Petr Alekseevich Kropotkin
- Kṛṣṇa
- Aleksandr Aleksandrovich Kruber
- Wolfgang Krull
- August Karl Krönig
- Iurii Aleksandrovich Krutkov
- Aleksei Nikolaevich Krylov
- Nikolai Mitrofanovich Krylov
- Jacob Kübel
- Johannes Petrus Kuenen
- Philip Henry Kuenen
- August Karl Johann Valentin Köhler
- Wolfgang Köhler
- Alfred Kühn
- Othmar Kühn
- Richard Kuhn
- Werner Kuhn
- Wilhelm Friedrich Kühne
- Ernst Eduard Kummer
- Johann Kunckel
- August Adolph Kundt
- Arthur Künig
- Emanuel König
- Leo Königsberger
- Moses Kunitz
- Hisashi Kuno
- Carl Sigismund Kunth
- Carl Ernst Otto Kuntze
- Kazimierz Kuratowski
- Igor Vasilievich Kurchatov
- Ferdinand Kurlbaum
- Nikolai Semyonovich Kurnakov
- József Kürschák
- Abu' L-Ḥasan al-Jīlī Kushyār ibn Labbān ibn Bāshahrī
- Friedrich Traugott Kützing
- Johann Harald Kylin
?
- Guy de La Brosse
- Charles-Marie de La Condamine
- Charles de La Faille
- Gabriel-Philippe de La Hire
- Philippe de La Hire
- Julien Offray de La Mettrie
- Arthur-Auguste de La Rive
- Charles-Gaspard de La Rive
- Estienne de La Roche
- Nicolas-Louis de Lacaille
- Félix-Joseph Henri de Lacaze-Duthiers
- Bernard-Germain-Étienne De La Ville-Sur-Illon Lacépède
- David Lambert Lack
- Alfred Lacroix
- Sylvestre François Lacroix
- Albert Ladenburg
- Rudolf Walther Ladenburg
- Théophile-René-Hyacinthe Laennec
- Thomas Fantet de Lagny
- Joseph Louis Lagrange
- Edmond Nicolas Laguerre
- Joseph-Jérôme Lefrançais de Lalande
- Lalla
- Antoine de Lalouvère
- Jean-Baptiste-Pierre-Antoine De Monet de Lamarck
- Horace Lamb
- Johann Heinrich Lambert
- Gabriel Lamé
- Jean-Claude de Lamétherie
- Johann von Lamont
- Jean Vincent Félix Lamouroux
- Bernard Lamy
- Guillaume Lamy
- Rebecca Craighill Lancefield
- Frederick William Lanchester
- Giovanni Maria Lancisi
- Michel Ange Lancret
- Edmund Landau
- Lev Davidovich Landau
- John Landen
- Hans Heinrich Landolt
- Marsilio Landriani
- Georg Landsberg
- Grigory Samuilovich Landsberg
- Karl Landsteiner
- Alfred Church Lane
- Jonathan Homer Lane
- Arnold Lang
- Karl Nikolaus Lang
- William Henry Lang
- Carl Georg Lange
- Paul Langerhans
- Paul Langevin
- John Newport Langley
- Samuel Pierpont Langley
- Claude Langlois
- Irving Langmuir
- Michael Florent van Langren
- Edwin Ray Lankester
- Philip van Lansberge
- Louis Lapicque
- Pierre-Simon Marquis de Laplace
- Albert-Auguste Cochon de Lapparent
- Arthur Lapworth
- Charles Lapworth
- Bernardino Larghi
- Karl Lark-Horovitz
- Joseph Larmor
- Esper Signius Larsen
- Édouard Amant Isidore Hippolyte Lartet
- Louis Lartet
- Karl Spencer Lashley
- William Lassell
- Lāṭadeva
- Wendell Mitchell Latimer
- Pierre-André Latreille
- Hans Emil Lau
- Jakob Johann Laub
- Max von Laue
- André du Laurens
- Auguste Laurent
- Matthieu Paul Hermann Laurent
- Pierre Alphonse Laurent
- Aimé Laussedat
- João Baptista Lavanha
- Charles-Louis-Alphonse Laveran
- Fritz H. Laves
- Antoine-Laurent Lavoisier
- Boris Innokentievich Lavrentiev
- John Bennet Lawes
- Ernest Orlando Lawrence
- William Lawrence
- Andrew Cowper Lawson
- Gaspar Lax
- Mikhail Petrovich Lazarev
- Petr Petrovich Lazarev
- Joseph Achille Le Bel
- Max Julius Louis Le Blanc
- Claude-Nicolas Le Cat
- Henry Louis Le Châtelier
- Félix Le Dantec
- Anatole Félix Le Double
- Nicaise Le Febvre
- Jean Le Fèvre
- Guillaume-Joseph-Hyacinthe-Jean-Baptiste Le Gentil de la Galaisière
- Louis-Guillaume Le Monnier
- Pierre-Charles Le Monnier
- Constantin Le Paige
- Jacques-François Le Poivre
- Charles Le Roy
- Édouard Le Roy
- Jean-Baptiste Le Roy
- Jacques-Alexandre Le Tenneur
- Urbain-Jean-Joseph Le Verrier
- Isaac Lea
- Louis Seymour Bazett Leakey
- Henrietta Swan Leavitt
- Aleksandr Nikolaevich Lebedev
- Petr Nikolaevich Lebedev
- Sergei Vasilievich Lebedev
- Vyacheslav Vasilievich Lebedinsky
- Henri Léon Lebesgue
- Nicolas Leblanc
- Charles de L'Écluse
- John Leconte
- Joseph Leconte
- Léon François Alfred Lecornu
- Antoni van Leeuwenhoek
- Solomon Lefschetz
- Julien Jean César Legallois
- Adrien-Marie Legendre
- Urbain-Louis-Eugène Léger
- Jean-Pierre Lehman
- Johann Gottlob Lehmann
- Otto Lehmann
- Gottfried Wilhelm Leibniz
- Joseph Leidy
- Aleksandr Il'ich Leipunskii
- Jacques Lemaire
- Georges Lemaître
- Louis Lemery
- Nicolas Lemery
- Émile Michel Hyacinthe Lemoine
- Philipp Lenard
- Vladimir Ilyich Lenin
- John Edward Lennard-Jones
- Emil Khristianovich Lenz
- Leo
- Leo the African
- Leo the Mathematician
- Leodamas of Thasos
- Leonardo da Vinci
- Karl Cäsar von Leonhard
- Johann Gottfried Leonhardi
- Nicolò Leoniceno
- Ivan Ivanovich Lepekhin
- Mathias Lerch
- Dominique-Auguste Lereboullet
- George-Louis Lesage
- J. Peter Lesley
- John Leslie
- Stanislaw Leśniewski
- Leo Lesquereux
- René-Primevère Lesson
- Charles-Alexandre Lesueur
- Leucippus
- Karl Georg Friedrich Rudolf Leuckart
- Jean Leurechon
- François Leuret
- Constantin Levaditi
- François Levaillant
- Phoebus Aaron Theodor Levene
- Frank Leverett
- Levi Ben Gerson
- Giuseppe Levi
- Tullio Levi-Civita
- Norman Levinson
- Franz Yulevich Levinson-Lessing
- Solomon Grigorevich Levit
- Grigorii Andreevich Levitskii
- Maurice Lévy
- Serve-Dieu Abailard Lévy
- Gilbert Newton Lewis
- Thomas Lewis
- Timothy Richards Lewis
- William Lewis
- Anders Johan Lexell
- Leonid Samuilovich Leybenzon
- Franz von Leydig
- Charles Louis L'Héritier de Brutelle
- Guillaume-François-Antoine de L'Hospital
- Simon-Antoine-Jean L'Huillier
- Edward Lhwyd
- Li Chih
- hao P'in-hu Li Shih-Chen
- Li Siguang
- Andreas Libavius
- Eduardo Liceaga
- Georg Christoph Lichtenberg
- Marius Sophus Lie
- Johannes Nathanael Lieberkühn
- Carl Theodore Liebermann
- Justus von Liebig
- Joseph Xaver Liesganig
- Joseph Lieutaud
- Il'ia Mikhailovich Lifshits
- Élie Antoine Octave Lignier
- Frank Rattray Lillie
- Thomas Linacre
- James Lind
- Bertil Lindblad
- Carl von Linde
- Ernst Leonhard Lindelöf
- Carl Louis Ferdinand Lindemann
- Frederick Alexander Lindemann
- Bernhard August von Lindenau
- Kaj Ulrik Linderstrøm-Lang
- Waldemar Lindgren
- John Lindley
- Heinrich Friedrich Link
- Carl Linnaeus
- Iurii Vladimirovich Linnik
- Joseph Liouville
- Gabriel Jonas Lippmann
- Rudolf Otto Sigismund Lipschitz
- João de Lisboa
- Jules Antoine Lissajous
- Joseph Lister
- Joseph Jackson Lister
- Martin Lister
- Fyodor Petrovich Litke
- Clarence Cook Little
- John Edensor Littlewood
- Liu Hui
- Burton Edward Livingston
- Humphrey Lloyd
- John Uri Lloyd
- Nikolai Ivanovich Lobachevsky
- Mathias de L'Obel
- John Locke
- Joseph Norman Lockyer
- Oliver Joseph Lodge
- Jacques Loeb
- Leo Loeb
- Friedrich August Johannes Loeffler
- Otto Loewi
- Charles Loewner
- Alfred Loewy
- James Logan
- William Edmond Logan
- Marie Joseph Maximin Lohest
- Wilhelm Oswald Lohse
- Vladimir Mikhaylovich Lokhtin
- Mikhail Vasilievich Lomonosov
- Fritz London
- Heinz London
- Cyril Norman Hugh Long
- Adam Lonicerus
- Dame Kathleen Yardley Lonsdale
- William Lonsdale
- Elias Loomis
- Hendrik Antoon Lorentz
- Hans Lorenz
- Ludwig Valentin Lorenz
- Richard Lorenz
- Giuseppe Lorenzoni
- Gino Loria
- Anne Charles Lorry
- Johann Joseph Loschmidt
- Karl August Lossen
- Alfred James Lotka
- Jan Paulus Lotsy
- Hermann Rudolph Lotze
- Augustus Edward Hough Love
- Arthur Oncken Lovejoy
- John Harvey Lovell
- Sven Lovén
- Johann Tobias Lovits
- Percival Lowell
- Richard Lower
- John William Lubbock
- Richard Lubbock
- Sir John Lubbock
- François-Édouard-Anatole Lucas
- Keith Lucas
- Luigi Luciani
- Lucretius
- F. W. Hans Ludendorff
- Carl Friedrich Wilhelm Ludwig
- Jakob Lueroth
- Maurice Lugeon
- Vladimir Fedorovich Luginin
- Georg Engelhardt von Löhneyss
- Jan Łukasiewicz
- Peter Ivanovich Lukirskii
- Ramon Lull
- Otto Richard Lummer
- Emerico Luna
- Georg Lunge
- Amatus Lusitanus
- Graham Lusk
- Alessandro Lustig
- C. Robert Luther
- Leopold Löwenheim
- Nikolai Nikolaievich Luzin
- Aleksandr Mikhailovich Lyapunov
- Charles Lyell
- Benjamin Smith Lyman
- Chester Smith Lyman
- Theodore Lyman
- Pierre Lyonet
- Bernard Lyot
- Trofim Denisovich Lysenko
?
- Adriaan van Maanen
- Archibald Byron Macallum
- Robert Helmer MacArthur
- Francis Sowerby Macaulay
- David Macbride
- Ernest William MacBride
- James MacCullagh
- John MacCulloch
- Ernst Mach
- Felix Karl Ludwig Machatschki
- Michel Macheboeuf
- Colin Maclaurin
- John Maclean
- Thomas Maclear
- Colin Munro MacLeod
- John James Rickard Macleod
- William Maclure
- Percy Alexander MacMahon
- William Duncan Macmillan
- Pierre Joseph Macquer
- Ambrosius Theodosius Macrobius
- Johann Heinrich Mädler
- Lorenzo Magalotti
- Cesare Magati
- Jean-Hyacinthe de Magellan
- François Magendie
- Bartolomeo Maggi
- Giovanni Antonio Magini
- Raffaello Magiotti
- Johann Chrysostom Magnenus
- Valeriano Magni
- Leonty Filippovich Magnitsky
- Pierre Magnol
- Heinrich Gustav Magnus
- Rudolf Magnus
- Adolf Magnus-Levy
- Mahādeva
- Abū ʿAbd Allāh Muḥammad ibn ʿĪsā al-Māhānī
- Mahāvīra
- Mahendra Sūri
- Michael Maier
- Albert Maige
- Emanuel Maignan
- Benoît de Maillet
- Rabbi Moses Ben Maimon Maimonides
- John Maior
- Jean Jacques D'Ortous de Mairan
- René-Charles-Joseph-Ernest Maire
- Shihāb al-Dīn Aḥmad ibn Mājid ibn Mājid
- Ettore Majorana
- Abu'l-Qāsim Maslama ibn Aḥmad al-Faraḍī al-Majrītī
- Abu'l-Ḥasan ʿAlī ibn ʿAbbās al-Majūsī
- Makaranda
- Stepan Osipovich Makarov
- Nikolay Aleksandrovich Maksimov
- Dmitry Dmitrievich Maksutov
- Nicolas Malebranche
- Chrétien-Guillaume de La-Moignon de Malesherbes
- Gian Francesco Malfatti
- Franklin Paine Mall
- Ernest Mallard
- Robert Mallet
- Paul-Jacques Malouin
- Marcello Malpighi
- Thomas Robert Malthus
- Anatoly Ivanovich Maltsev
- Étienne Louis Malus
- Giovanni Manardo
- Leonid Isaakovich Mandelshtam
- Eustachio Manfredi
- Louis Alexandre Mangin
- Marcus Manilius
- Victor Mayer Amédée Mannheim
- Paul Mansion
- Patrick Manson
- Abū Naṣr Manṣūr ibn ʿAlī ibn ʿIrāq
- Paolo Mantegazza
- Gideon Algernon Mantell
- Shams al-Dīn Abū ʿAbdallāh Muḥammad ibn Aḥmad ibn Abī Bakr al-Bannāʾ al-Shāmī al-Maqdisī al-Bashshārī al-Maqdisī
- Giacomo Filippo Maraldi
- Richard Felix Marchand
- Jean Marchant
- Vittorio Marchi
- Ettore Marchiafava
- Leon Paweł Teodor Marchlewski
- Johannes Marcus Marci of Kronland
- Guglielmo Marconi
- Jules Marcou
- Étienne-Jules Marey
- Emmanuel Marie Pierre Martin Jacquin de Margerie
- Andreas Sigismund Marggraf
- Max Margules
- Pierre Marie
- Jean Charles Galissard de Marignac
- Marinus
- Antoine Fortuné Marion
- Edme Mariotte
- Georg Markgraf
- Clements Robert Markham
- Andrei Andreevich Markov
- Vladimir Vasilevich Markovnikov
- Giovanni Marliani
- John Richardson Marrack
- Ernest Marsden
- Othniel Charles Marsh
- Luigi Ferdinando Marsili
- Marsilius of Inghen de
- Adolf Martens
- Antonio de Martí Franqués
- Martianus Capella
- Benjamin Martin
- Charles James Martin
- Henry Newell Martin
- Rudolf Martin
- Crisóstomo Martínez
- Francesco di Giorgio di Martini
- Ignác Martinovics
- Karl Friedrich Philipp von Martius
- Emmanuel-Louis-Eugène de Martonne
- David Forbes Martyn
- Martin van Marum
- Carl Shipp Marvel
- Karl Marx
- Paolo Mascagni
- Éleuthère Élie Nicolas Mascart
- Lorenzo Mascheroni
- Francis Maseres
- Māshāʾallāh
- Nevil Maskelyne
- Charles Mason
- Niccolo Massa
- Antoine-Philibert Masson
- Samuel Ottmar Mast
- Michael Mästlin
- Abuʾul-ḤasanʿAlī ibn al-Ḥusayn ibn ʿAlī al-Masʿūdī
- Kirtley Fletcher Mather
- William Williams Mather
- George Ballard Mathews
- Émile Léonard Mathieu
- Mathurānātha Śarman
- Louis Matruchot
- Carlo Matteucci
- Augustus Matthiessen
- Pietro Andrea Gregorio Mattioli
- Motonori Matuyama
- Charles Victor Mauguin
- Edward Walter Maunder
- François Émile Maupas
- Pierre Louis Moreau de Maupertuis
- Julius Maximilian Maurer
- Fra Mauro
- Francesco Maurolico
- Antonia Caetana de Paiva Pereira Maury
- Matthew Fontaine Maury
- Sir Douglas Mawson
- James Clerk Maxwell
- Alfred Marshall Mayer
- Christian Mayer
- Christian Gustav Adolph Mayer
- Johann Tobias Mayer
- Julius Robert Mayer
- Maria Goeppert Mayer
- Karl Mayer-Eymar
- Herbert Mayo
- John Mayow
- Simon Mayr
- Stefan Mazurkiewicz
- Waldo Lee McAtee
- Clarence Erwin McClung
- Hugh McColl
- Elmer Verner McCollum
- William Carmichael McIntosh
- John Cunningham McLennan
- Pierre-François-André Méchain
- Johann Friedrich Meckel
- Friedrich Casimir Medicus
- Pedro de Medina
- Fielding Bradford Meek
- William Frederick Meggers
- Robert Franklin Mehl
- Oscar Edward Meinzer
- Georg Meissner
- Walther Meissner
- Lise Meitner
- Raphael Meldola
- Edward Mellanby
- Francisco de Mello
- Macedonio Melloni
- Samuel James Meltzer
- Thomas Melvill
- Luigi Federico Menabrea
- Menaechmus
- Johann Gregor Mendel
- Lafayette Benedict Mendel
- Dmitry Ivanovich Mendeleev
- Egidio Meneghetti
- Menelaus of Alexandria
- Vincenzo Antonio Menghini
- Pietro Mengoli
- Nikolay Aleksandrovich Menshutkin
- Jean Jacques Menuret de Chambaud
- Hugues Charles Robert Méray
- Michele Mercati
- Gerardus Mercator
- Nicolaus Mercator
- Paul Dyer Merica
- Christopher Merrett
- Clinton Hart Merriam
- John Campbell Merriam
- Elmer Drew Merrill
- George Perkins Merrill
- Marin Mersenne
- Jean Méry
- Ivan Vsevolodovich Meshchersky
- Franz Anton Mesmer
- Félix Mesnil
- Charles Messier
- Ivan Illarionovich Mesyatsev
- Elie Metchnikoff
- Adriaen Metius
- Meton
- Georg Heinrich Mettenius
- Hélène Metzger
- Jean-Baptiste-Marie-Charles Meusnier de la Place
- Franz Julius Ferdinand Meyen
- Christian Erich Hermann von Meyer
- Johann Friedrich Meyer
- Julius Lothar Meyer
- Kurt Heinrich Meyer
- Victor Meyer
- Wilhelm Franz Meyer
- Otto Meyerhof
- Émile Meyerson
- Michael Scot
- Arthur Michael
- Leonor Michaelis
- Peter Michaelis
- André Michaux
- Pier Antonio Micheli
- Famiano Michelini
- John Michell
- Auguste Michel-Lévy
- Albert Abraham Michelson
- Ivan Vladimirovich Michurin
- Aleksandr Fedorovich Middendorf
- Thomas Midgley
- Gustav Mie
- Aldo Mieli
- Henry Alexander Miers
- Johann Friedrich Miescher
- Mikhail Nikolaevich Miklukho-Maklay
- Gaston Milhaud
- John Stuart Mill
- Dayton Clarence Miller
- George Abram Miller
- Hugh Miller
- Philip Miller
- William Allen Miller
- William Hallowes Miller
- William Lash Miller
- Robert Andrews Millikan
- Thomas Millington
- Auguste-Nicolas-Eugène Millon
- William Hobson Mills
- Edward Arthur Milne
- John Milne
- Henri Milne-Edwards
- Ernst Ferdinand Adolf Minding
- Henri Mineur
- Hermann Minkowski
- Oskar Minkowski
- Marcel Gilles Jozef Minnaert
- Charles Sedgwick Minot
- George Richards Minot
- Friedrich Anton Wilhelm Miquel
- Charles François Brisseau de Mirbel
- Alfred Ezra Mirsky
- Richard von Mises
- Elisha Mitchell
- Maria Mitchell
- Silas Weir Mitchell
- Eilhard Mitscherlich
- Magnus Gustaf Mittag-Leffler
- Alwin Mittasch
- St. George Jackson Mivart
- José Mariano Mociño
- Conrad Moench
- William of Moerbeke
- William Of Guillelmus de Moerbeke
- Thomas Moffett
- Hugo von Mohl
- Henrik Mohn
- Andrija Mohorovičić
- Carl Friedrich Mohr
- Christian Otto Mohr
- Georg Mohr
- Friedrich Mohs
- Nikolay Dmitrievich Moiseev
- Ferdinand-Frédéric-Henri Moissan
- Abraham de Moivre
- Johann Jacob Paul Moldenhawer
- Jacob Moleschott
- Fedor Eduardovich Molin
- Juan Ignacio Molina
- Friedrich Rudolf Heinrich Carl Moll
- Gerard Moll
- Marin Molliard
- Richard Mollier
- Karl Brandan Mollweide
- Samuel Molyneux
- William Molyneux
- Nicolás Bautista Monardes
- Ludwig Mond
- Mondino de'Luzzi
- Gaspard Monge
- Antoine-Grimoald Monnet
- Jacques-Lucien Monod
- Alexander Monro
- Alexander (1697–1767) Monro
- Alexander (1733–1817) Monro
- Geminiano Montanari
- Guidobaldo Monte
- Paul Montel
- Gustav Oscar Montelius
- Charles-Louis de Secondat Montesquieu
- Jacques-Philippe Mérigon de Montgéry
- Étienne Jacques de Montgolfier
- Edmund Duncan Montgomery
- Thomas Harrison Montgomery
- Henri Louis Habert de Montmor
- Pierre Rémond de Montmort
- Jean Étienne Montucla
- Eliakim Hastings Moore
- Joseph Haines Moore
- Raymond Cecil Moore
- Robert Lee Moore
- William Moore
- Jean-Pierre Morat
- Sir Robert Moray
- Louis Joel Mordell
- Henry More
- Léon Moret
- Giovanni Battista Morgagni
- Conwy Lloyd Morgan
- Herbert Rollo Morgan
- Thomas Hunt Morgan
- Domenico Lino Morichini
- Jean-Baptiste Morin
- Robert Morison
- Samuel Morland
- Edward Williams Morley
- Antonio-Lazzaro Moro
- Georgy Fedorovich Morozov
- Edward Sylvester Morse
- Jedidiah Morse
- Louis-Laurent Gabriel de Mortillet
- John Morton
- Samuel George Morton
- Carl Gustaf Mosander
- Henry Gwyn Jeffreys Moseley
- William Lorenzo Moss
- Angelo Mosso
- Ottaviano Fabrizio Mossotti
- Andrzej Mostowski
- James Cecil Mottram
- Ernest Barthélémy Mouchez
- Ruth Moufang
- Forest Ray Moulton
- Théodore Florentin Moutard
- Gabriel Mouton
- August Ferdinand Möbius
- Karl August Möbius
- Muḥyi 'L-Dīn al-maghribī
- Matthew Moncrieff Pattison Muir
- Gerardus Johannes Mulder
- Didrik Magnus Axel Möller
- Franz Müller
- Fritz Müller
- Georg Elias Müller
- Gustav Müller
- Hermann Joseph Muller
- Johann Müller
- Johannes Peter Müller
- Otto Frederik Müller
- Paul Müller
- Heinrich Müller-Breslau
- Georg Wilhelm Muncke
- Ernest Charles Philippe Auguste Munier-Chalmas
- Munīśvara Viśvarūpa
- Muñjāla
- Sebastian Münster
- Johannes von Muralt
- Roderick Impey Murchison
- James Bumgardner Murphy
- George Robert Milne Murray
- John Murray
- David Mushet
- Ivan Vasilievich Mushketov
- Petrus van Musschenbroek
- José Celestino Bruno Mutis y Bossio
- Claude Mydorge
- Claude Mylon
?
- Carl Wilhelm von Naegeli
- ʿAlāʾ al-Dīn Abu 'L-Ḥasan ʿAlī ibn Abi ʾL-Ḥazm al-Qurashī ibn al-Nafīs
- Hantaro Nagaoka
- Nāgeśa
- Mark Aronovich Naimark
- Edward Nairne
- Sergey Semenovich Nametkin
- Fridtjof Nansen
- John Napier
- Nārāyaṇa
- ʿAlī ibn Aḥmad al-Nasawī
- James Nasmyth
- Władysław Natanson
- Alfred Gabriel Nathorst
- Giulio Natta
- Charles Naudin
- Alexander Naumann
- Karl Friedrich Naumann
- Sergey Gavrilovich Navashin
- Claude-Louis-Marie-Henri Navier
- Abu'l-ʿAbbās al-Faḍl ibn Ḥātim al-Nayrīzī
- Michael Neander
- Louis-Albert Necker
- John Turberville Needham
- Christian Gottfried Nees von Esenbeck
- John Ulric Nef
- Adelchi Negri
- Alfred Nehring
- Albert Ludwig Sigesmund Neisser
- Aleksandr Ivanovich Nekrasov
- Nemesius
- Marceli Nencki
- Antonio Neri
- Hermann Walther Nernst
- Eugen Netto
- Otto Neubauer
- Joseph Neuberg
- Carl Gottfried Neumann
- Caspar Neumann
- Franz Ernst Neumann
- Melchior Neumayr
- Grigory Nikolaevich Neuymin
- Rolf Herman Nevanlinna
- Hugh Frank Newall
- John Strong Newberry
- Simon Newcomb
- Thomas Newcomen
- John Alexander Reina Newlands
- Horatio Hackett Newman
- George Newport
- Edwin Tulley Newton
- Hubert Anson Newton
- Isaac Newton
- Jerzy Neyman
- Jean-François Niceron
- John Spangler Nicholas
- Ernest Fox Nichols
- John William Nicholson
- Seth Barnes Nicholson
- William Nicholson
- William Nicol
- Friedrich Bernhard Gottfried Nicolai
- Nicolaus of Damascus
- Charles Jules Henri Nicolle
- Nicomachus of Gerasa
- Nicomedes
- Jean Nicot
- Carsten Niebuhr
- Niels Nielsen
- Joseph Niepce
- Jean Louis Nicolas Niesten
- Willem Nieuwenkamp
- Bernard Nieuwentijt
- Julius Arthur Nieuwland
- Agostino Nifo
- Paul Niggli
- Sergey Nikolaevich Nikitin
- Viktor Arsenievich Nikolaev
- Nīlakaṇṭha
- Herman Nilsson-Ehle
- Yoshio Nishina
- Franz Nissl
- Alfred Bernhard Nobel
- Friedrich Adolph Nobert
- Leopoldo Nobili
- Gladwyn Kingsley Noble
- Walter Noddack
- Étienne Noël
- Amalie Emmy Noether
- Max Noether
- Hideyo Noguchi
- Jean-Antoine Nollet
- Adolf Erik Nordenskiöld
- Nils Erik Nordenskiöld
- Robert Norman
- John Pitkin Norton
- Richard Norwood
- Michael de Nostradamus
- Domenico Maria Novara
- Petr Sergeevich Novikov
- Frederick George Novy
- Arthur Amos Noyes
- William Albert Noyes
- Boris Vasilievich Numerov
- Pedro Nuñez Salaciense
- Ernst Kraft Wilhelm Nusselt
- Thomas Nuttall
- Fredrik Nylander
- William Nylander
?
- Vladimir Afanasievich Obruchev
- Philbert Maurice d'Ocagne
- Carl Ochsenius
- William of Ockham
- Ruggero Oddi
- Gioanbatista Odierna
- William Odling
- Oenopides of Chios
- Hans Christian Oersted
- Georg Simon Ohm
- Lorenz Oken
- Olaus Magnus
- Heinrich Wilhelm Matthias Olbers
- Henry Oldenburg
- Richard Dixon Oldham
- Thomas Oldham
- George Oliver
- Karol Stanisław Olszewski
- Christian Friis Rottbøll Olufsen
- Olympiodorus
- Jean Baptiste Julien d'Omalius d'Halloy
- Fusakichi Omori
- Lars Onsager
- Aleksandr Ivanovich Oparin
- Albert Oppel
- Samuel Oppenheim
- J. Robert Oppenheimer
- Theodor Ritter von Oppolzer
- Leon Abgarovich Orbeli
- Alcide Charles Victor Dessalines d'Orbigny
- Jean Orcel
- Nicole Oresme
- Oribasius
- Aleksandr Yakovlevich Orlov
- Sergey Vladimirovich Orlov
- Yuri Aleksandrovich Orlov
- Leonard Salomon Ornstein
- Garcia d'Orta
- Juan de Ortega
- Abraham Ortelius
- James Orton
- Henry Fairfield Osborn
- Thomas Burr Osborne
- William Fogg Osgood
- Andreas Osiander
- Floris Osmond
- Winthrop John Vanleuven Osterhout
- Mikhail Vasilievich Ostrogradsky
- Carl Wilhelm Wolfgang Ostwald
- Friedrich Wilhelm Ostwald
- Isaac Ott
- Corneille Antoine Jean Abram Oudemans
- William Oughtred
- Réginald Outhier
- Charles Ernest Overton
- David Dale Owen
- George Owen
- Richard Owen
- Jacques Ozanam
- Aleksandr Dmitrievich Ozersky
?
- Antonio Pacchioni
- Filippo Pacini
- Antonio Pacinotti
- Luca Pacioli
- Alpheus Spring Packard
- Alessandro Padoa
- Giuseppe Pagano
- Paul Painlevé
- Theophilus Shickel Painter
- William Paley
- Johann Palisa
- Bernard Palissy
- Aleksandr Vladimirovich Palladin
- Vladimir Ivanovich Palladin
- Pyotr Simon Pallas
- Edward Palmer
- François Marie Guyonneau de Pambour
- Christian Heinrich Pander
- Friedrich Adolf Paneth
- Antonie Pannekoek
- Nikolai Dmitrievich Papaleksi
- George Nicholas Papanicolaou
- Denis Papin
- Pappus of Alexandria
- Theophrastus Philippus Aureolus Bombastus von Hohenheim Paracelsus
- Parameśvara
- Ignace Gaston Pardies
- Ambroise Paré
- Pavel Petrovich Parenago
- Antoine Parent
- John Adelbert Parkhurst
- James Parkinson
- Sydney Parkinson
- Parmenides of Elea
- Antoine-Augustin Parmentier
- Jakub Karol Parnas
- Marc-Antoine Parseval des Chênes
- William Parsons
- James Riddick Partington
- Blaise Pascal
- Étienne Pascal
- Moritz Pasch
- Louis Carl Heinrich Friedrich Paschen
- Louis Pasteur
- Francesco Patrizi
- John Thomas Patterson
- Paul of Aegina
- Paul of Alexandria
- Paul of Venice
- Wolfgang Pauli
- Pauliśa
- Simon Paulli
- August Pauly
- Aleksei Petrovich Pavlov
- Ivan Petrovich Pavlov
- José Antonio Pavón y Jiménez
- Anselme Payen
- Gustaf Paykull
- Fernandus Payne
- George Peacock
- Charles Willson Peale
- Rembrandt Peale
- Titian Ramsay Peale
- Léon Péan de Saint-Gilles
- Giuseppe Peano
- Raymond Pearl
- George Pearson
- Karl Pearson
- Francis Gladhelm Pease
- John Pecham
- Jean Pecquet
- George Braxton Pegram
- Benjamin Peirce
- Benjamin Osgood Peirce
- Charles Sanders Peirce
- Nicolas Claude Fabri de Peiresc
- Cornelis Adrianus Pekelharing
- Jacques Peletier
- John Pell
- Bertrand Pelletier
- Pierre-Joseph Pelletier
- Théophile-Jules Pelouze
- Jean Charles Athanase Peltier
- Henry Pemberton
- Albrecht Penck
- Walther Penck
- Thomas Pennant
- Frederick Penny
- Antonio Pensa
- John Percy
- Benedictus Pereira
- Duarte Pacheco Pereira
- Joseph Jean Camille Pérès
- Bernardo Pérez de Vargas
- William Henry Perkin
- William Henry Jr. Perkin
- François Péron
- Jean-Baptiste Gaspard Gustav Alfred Pérot
- Claude Perrault
- Pierre Perrault
- Edmond Perrier
- Georges Perrier
- Jean-Baptiste Perrin
- Charles Dillon Perrine
- Edoardo Perroncito
- Jean-Rodolphe Perronet
- Henri Joseph Anastase Perrotin
- Perseus
- Jacques Personne
- Christiaan Hendrik Persoon
- Jean-François Persoz
- Pierre de Peter Peregrinus
- Petrus Peter Philomena of Dacia
- Carl F. W. Peters
- Christian August Friedrich Peters
- Christian Heinrich Friedrich Peters
- Julius Petersen
- Karl Mikhailovich Peterson
- Alexis Thérèse Petit
- Pierre Petit
- Pseudo-Petosiris
- William Petrie
- Nikolay Pavlovich Petrov
- Vasily Vladimirovich Petrov
- Ivan Georgievich Petrovsky
- Petrus Bonus
- Max Josef von Pettenkofer
- Hans Pettersson
- William Petty
- Georg Peurbach
- Bernhard Peyer
- Johann Conrad Peyer
- Jean André Peyssonnel
- Albert Pezard
- Esprit Pezenas
- Johann Friedrich Pfaff
- Max Jakob Pfannenstiel
- Wilhelm Friedrich Philipp Pfeffer
- Paul Pfeiffer
- Eduard Friedrich Wilhelm Pflüger
- Philinus of Cos
- Alexander Philips Wilson Philip
- John Phillips
- Theodore Evelyn Reece Phillips
- William Phillips
- Philo of Byzantium
- Philolaus of Crotona
- Giuseppe Pianese
- Giuseppe Piazzi
- Charles Émile Picard
- Jean Picard
- Auguste Piccard
- Arcangelo Piccolomini
- Edward Charles Pickering
- William Henry Pickering
- Marc-Auguste Pictet
- Raoul-Pierre Pictet
- George Washington Pierce
- Mario Pieri
- Louis-Édouard-Stanislas Piette
- Edward Pigott
- Jean François Pilatre de Rozier
- Salvatore Pincherle
- Gregory Goodwin Pincus
- Philippe Pinel
- Alexandre-Gui Pingré
- Tomé Pires
- Muḥyī al-Dīn Pirī Rais
- Nikolay Ivanovich Pirogov
- Willem Piso
- Archibald Pitcairn
- Bartholomeo Pitiscus
- Henri Pitot
- Augustus Henry Lane Fox Pitt-Rivers
- George Placzek
- Giovanni Plana
- Max Karl Ernst Ludwig Planck
- Maximus Planudes
- John Stanley Plaskett
- Ludwig Hermann Plate
- Joseph Antoine Ferdinand Plateau
- Plato
- Plato of Tivoli
- Félix Platter
- Karl Friedrich Plattner
- John Playfair
- Lyon Playfair
- Marcus Antonius Plenčič
- Pliny
- Robert Plot
- Plotinus
- Noël-Antoine Pluche
- Julius Plücker
- Charles Plumier
- Andrew Plummer
- Henry Crozier Plummer
- Johann Christian Poggendorff
- Antoine-Baudoin Poggiale
- Robert Wichard Pohl
- Jules-Henri Poincaré
- Louis Poinsot
- Jean Léonard Marie Poiseuille
- Simeon-Denis Poisson
- Pierre Poivre
- Mihály Polányi
- Giovanni Poleni
- Giuseppe Saverio Poli
- Pierre Polinière
- Aloys Pollender
- Isaak Iakovlevich Pomeranchuk
- Pietro Pomponazzi
- Pomponius Mela
- Jean Victor Poncelet
- Jean-Louis Pons
- Giulio Pontedera
- Charles Lane Poor
- William Jackson Pope
- Aleksandr Nikiforivich Popov
- Aleksandr Stepanovich Popov
- Platon Sergeevich Poretsky
- Ignazio Porro
- Giambattista Della Porta
- Luigi Porta
- Antoine Portal
- Albert Marcel Germain René Portevin
- Paul Portier
- Franz Pošepný
- Posidonius
- Emil Leon Post
- Grigory Nikolaevich Potanin
- Johann Heinrich Pott
- Félix-Archimède Pouchet
- Claude-Servais-Mathias Pouillet
- Edward Bagnall Poulton
- François Pourfour du Petit
- Louis François de Pourtalès
- Karl Rudolph Powalky
- Baden Powell
- Cecil Frank Powell
- John Wesley Powell
- Frederick Belding Power
- Henry Power
- John Henry Poynting
- Ludwig Prandtl
- Frederick Haven Pratt
- John Henry Pratt
- Praxagoras of Cos
- Fritz Pregl
- Karel Boriwoj Presl
- Joseph Prestwich
- Isaac-Bénédict Prévost
- Jean-Louis Prevost
- Louis-Constant Prévost
- Pierre Prevost
- Thierry William Preyer
- James Cowles Prichard
- John Gillies Priestley
- Joseph Priestley
- John Pringle
- Alfred Pringsheim
- Ernst Pringsheim
- Nathanael Pringsheim
- Charles Pritchard
- Ivan Ivanovich Privalov
- Joseph Privat de Molières
- Georgius Procháska
- Proclus
- Richard Anthony Proctor
- Gaspard-François-Clair-Marie Riche de Prony
- Joseph Louis Proust
- William Prout
- Stanislaus von Lanov Prowazek
- Theophil Mitchell Prudden
- Franz Ignace Pruner Bey
- Pierre Eugène Marie Joseph Pruvost
- Dmitry Nikolaevich Pryanishnikov
- Nikolay Mikhaylovich Przhevalsky
- Michael Psellus
- Claudius Ptolemy
- Victor Puiseux
- Carl Pulfrich
- Raphael Pumpelly
- Reginald Crundall Punnett
- Michael Idvorsky Pupin
- Thomas Purdie
- Jan Evangelista Purkyně
- Frederick Pursch
- Frederic Ward Putnam
- Pythagoras of Samos
- Pytheas of Massalia
?
- Abū al-Ṣaqr ʿAbd al-ʿAzīz ibn ʿUthmān ibn ʿAlī al-Qabīṣī
- Qāḍī Zāda al-Rūmī
- Abu'l-ḥasan ʿAlī ibn Muḥammad ibn ʿAlī al-Qalaṣādī
- Zakariyā ibn Muḥammad ibn Maḥmūd Abū Yaḥyā al-Qazwīnī
- Jean-Louis-Armand de Quatrefages de Bréau
- Friedrich Quenstedt
- Lambert-Adolphe-Jacques Quetelet
- Amīn al-Dawlah Abū al-Faraj ibn Muwaffaq al-Dīn YaʿQūb ibn Isḥāq al-Masīhī al-Karakī ibn al-Quff
- Abū Sahl Wayjan ibn Rustam al-Qūhī
- Georg Hermann Quincke
- Jean-René-Constant Quoy
- Qusṭā ibn Lūqā al-Baʿlabakkī
- Abū Muḥammad ʿAbdallāh ibn Muslim al-Dīnawarī al-Jabalī ibn Qutayba
- Quṭb al-Dīn al-Shīrāzī
?
- François Rabelais
- Cari Rabl
- Hans Rademacher
- Emanuel Rádl
- Tibor Radó
- Johann Radon
- Thomas Stamford Bingley Raffles
- Constantine Samuel Rafinesque
- Rāghavānanda Śarman
- Chandrasekhara Venkata Raman
- Srinivasa Aaiyangar Ramanujan
- Jean Baptiste Rames
- Karl Rammelsberg
- Santiago Ramón y Cajal
- Gaston Ramon
- Louis François Élisabeth Ramond de Carbonnières
- Carl Wilhelm Ramsauer
- Andrew Crombie Ramsay
- William Ramsay
- Lewis Stephen Ramsdell
- Jesse Ramsden
- Frank Plumpton Ramsey
- Peter Ramus
- Alexander Oliver Rankine
- William John Macquorn Rankine
- Louis-Antoine Ranvier
- Arthur Cowper Ranyard
- François Marie Raoult
- François-Vincent Raspail
- Rudolf Erich Raspe
- Auguste Camille Edmond Rateau
- Martin Heinrich Rathke
- Friedrich Ratzel
- Jules Raulin
- Leonhard Rauwolf
- John Ray
- Prafulla Chandra Ray
- Georges Antoine Pons Rayet
- Raymond of Marseilles
- Percy Edward Raymond
- Abū Bakr Muḥammad ibn Zakariyyā al-Rāzī
- Andrei Mikhailovich Razmadze
- Raganātha
- René-Antoine Ferchault de Réaumur
- Hans Reck
- Élisée Reclus
- Robert Recorde
- William C. Redfield
- Francesco Redi
- Pierre-Joseph Redouté
- Ferdinand Jakob Redtenbacher
- Ferdinand Reech
- Walter Reed
- Erich Rudolph Alexander Regener
- Johannes Regiomontanus
- Henri Victor Regnault
- Georg Friedrich von Reichenbach
- Hans Reichenbach
- Karl Reichenbach
- Karl Bogislaus Reichert
- Harry Fielding Reid
- Kurt Werner Friedrich Reidemeister
- Johann Christian Reil
- Erasmus Reinhold
- Robert Remak
- Ira Remsen
- Alphonse François Renard
- Bernard Renault
- Joseph-Louis Renaut
- Eugène Renevier
- James Rennell
- Otto Renner
- Alfréd Rényi
- Adolf Repsold
- Lorenzo Respighi
- Anders Adolf Retzius
- Magnus Gustaf Retzius
- Franz Reuleaux
- August Emanuel Reuss
- Franz Ambrosius Reuss
- Julio Rey Pastor
- Abel Rey
- Jean Rey
- Theodor Reye
- Francisco de la Reyna
- Charles René Reyneau
- Osborne Reynolds
- Anton Maria Schyrlaeus de Rheita
- George Joachim Rheticus
- Albert Ribaucour
- Carlos Ribeiro Santos
- Jacopo Francesco Riccati
- Vincenzo Riccati
- Matteo Ricci
- Michelangelo Ricci
- Ostilio Ricci
- Gregorio Ricci-Curbastro
- Giambattista Riccioli
- Annibale Riccò
- Richard of Wallingford
- Jules Antoine Richard
- Louis Paul Émile Richard
- Alfred Newton Richards
- Francis John Richards
- Theodore William Richards
- Benjamin Ward Richardson
- Owen Willans Richardson
- Jean Richer
- Charles Robert Richet
- Georg Wilhelm Richmann
- Jeremias Benjamin Richter
- Ferdinand von Richthofen
- Floyd Karker Richtmyer
- Howard Taylor Ricketts
- Oscar Riddle
- Eric Keightley Rideal
- Robert Ridgway
- Abū'l-Ḥasan ʿAlī ibn ʿAlī ibn Jaʿafar al-Miṣrī ibn Riḍwān
- Eduard Riecke
- Georg Friedrich Bernhard Riemann
- Adam Ries
- Frigyes Riesz
- Marcel Riesz
- Augusto Righi
- Tommaso Rima
- Sydney Ringer
- Sven Rinman
- Andrés Manuel del Río
- Pío del Río-Hortega
- Jean Riolan
- Friedrich Risner
- Ristoro
- George Willis Ritchey
- Joseph Fels Ritt
- David Rittenhouse
- Johann Wilhelm Ritter
- William Emerson Ritter
- Karl Heinrich Ritthausen
- Walter Ritz
- Scipione Riva-Rocci
- Albert Cherbury David Rivett
- Émile-Valère Rivière de Précourt
- Isaac Roberts
- William Chandler Roberts-Austen
- Gilles Personne de Roberval
- Charles-Phillipe Robin
- Jean-Baptiste René Robinet
- Benjamin Robins
- Abraham Robinson
- Pierre-Jean Robiquet
- John Robison
- Édouard Albert Roche
- John Roebuck
- Ferdinand Roemer
- Friedrich Adolph Roemer
- August Johann Roesel von Rosenhof
- Roger of Hereford
- Henry Darwin Rogers
- Jacques Rohault
- Karl Rohn
- Luigi Rolando
- Guerner Rolfinck
- Michel Rolle
- George Rolleston
- Joseph-Pierre-Martin Rollet
- George John Romanes
- Jean-Baptiste Louis Romé de L'Isle
- Alfred Sherwood Romer
- Eugeniusz Mikołaj Romer
- Guillaume Rondelet
- Ogden Nicholas Rood
- Lawrence Rooke
- Adriaan van Roomen
- Hendrik Willem Bakhuis Roozeboom
- Daniele Rosa
- Jakob Rosanes
- Henry Enfield Roscoe
- Gustav Rose
- Heinrich Rose
- Hans Oswald Rosenberg
- Johann Karl Ferdinand Rosenberger
- Otto August Rosenberger
- Arturo Rosenblueth
- Harry Rosenbusch
- Johann Georg Rosenhain
- Walter Rosenhain
- Arthur Rosenheim
- Frank Elmore Ross
- James Clark Ross
- Ronald Ross
- Carl-Gustav Arvid Rossby
- Francesco Rossetti
- Roger James Rossiter
- Léon Louis Rostan
- Jean Cyrus Rostand
- Justus Ludwig Adolph Roth
- Christoph Rothmann
- Guillaume-François Rouelle
- Hilaire-Marin Rouelle
- Jean Rouelle
- Charles Marie Benjamin Rouget
- Francis John Worsley Roughton
- Karl Frantsovich Rouillier
- Edward John Routh
- Pierre Paul Émile Roux
- Wilhelm Roux
- Gaetano Rovereto
- Allan Winter Rowe
- Henry Augustus Rowland
- John Rowning
- Dmitry Sergeevich Rozhdestvensky
- Heinrich Rubens
- Max Rubner
- Olof Rudbeck
- Reinhold Rüdenberg
- Ferdinand Rudio
- Christoff Rudolff
- Karl Asmund Rudolphi
- Rudolf Ruedemann
- Jean Ruel
- Marc Armand Ruffer
- Angelo Ruffini
- Paolo Ruffini
- Giordano Ruffo
- Rufinus
- Rufus of Ephesus
- Heinrich Daniel Rühmkorff
- Carlo Ruini
- Hipólito Ruiz
- Martin Ruland
- Ulrich Rülein
- Ole Christensen Rømer
- Stepan Yakolevich Rumovsky
- Carl David Tolmé Runge
- Friedlieb Ferdinand Runge
- Wilhelm Conrad Röntgen
- Girolamo Ruscelli
- Benjamin Rush
- Abu'l-Walīd Muḥammad ibn Aḥmad ibn Muḥammad ibn Rushd
- Bertrand Arthur William Russell
- Edward John Russell
- Henry Chamberlaine Russell
- Henry Norris Russell
- Richard Joel Russell
- Daniel Rutherford
- Ernest Rutherford
- Lewis Morris Rutherfurd
- Karl Ludwig Rütimeyer
- Martin Gerard Rutten
- Frederik Ruysch
- Leopold Ružička
- Johannes Rydberg
?
- Armand Sabatier
- Paul Sabatier
- Florence Rena Sabin
- Edward Sabine
- Paul Earls Sabine
- Wallace Clement Ware Sabine
- Girolamo Saccheri
- Luigi Sacco
- Julius von Sachs
- Johannes de Sacrobosco
- Balthazar-Georges Sage
- Georges M. M. Sagnac
- Meghnad Saha
- Gregorius Saint Vincent
- Augustin François César Prouvençal de Saint-Hilaire
- Adhémar Jean Claude Barré de Saint-Venant
- Shoichi Sakata
- Vladimir Vladimirovich Sakharov
- Stanislaw Saks
- Angelo Sala
- Raphaël Salem
- Salernitan Anatomists
- Rollin Daniel Salisbury
- Denys de Sallo
- George Salmon
- Carl Julius Salomonsen
- Ippolito Salviani
- Najīb al-Dīn Abū Ḥāmid Muḥammad ibn ʿAlī ibn ʿUmar al-Samarqandī
- Shams al-Dīn Muḥammad ibn Ashraf al-Ḥusaynī al-Samarqandī
- Ibn Yaḥyā al-Maghribī al-Samawʾal
- Aleksandr Filippovich Samoylov
- Ralph Allen Sampson
- Giuseppe Sanarelli
- Francisco Sanchez
- Ezra Dwight Sanderson
- Karl Gustav Sanio
- Giovanni Domenico Santorini
- Santorio Santorio
- Louis Charles Joseph Gaston de Saporta
- Paolo Sarpi
- Michael Sars
- George Alfred Léon Sarton
- Gavriil Andreevich Sarychev
- Śatānanda
- Satō Nobuhiro
- Frederick Albert Saunders
- Joseph Saurin
- Horace Bénédict de Saussure
- Nicolas-Théodore de Saussure
- Camille-François Sauvageau
- Albert Sauveur
- Joseph Sauveur
- Leonard Jimmie Savage
- Félix Savart
- Marie-Jules-César Lelorgne de Savigny
- Karl Sax
- Joseph Saxton
- Thomas Say
- Julius Caesar Scaliger
- Antonio Scarpa
- George Scatchard
- John Martin Schaeberle
- Wilhelm Schäfer
- John Frank Schairer
- Hans Schardt
- Juliusz Pawel Schauder
- Fritz Richard Schaudinn
- Carl Wilhelm Scheele
- Henry Scheffé
- Georg Scheffers
- Jakob Schegk
- Christoph Scheiner
- Julius Scheiner
- Frederick Wilhelm Joseph von Schelling
- Paul Hermann Scherrer
- Johann Jakob Scheuchzer
- Giovanni Virginio Schiaparelli
- Wilhelm Schickard
- Hugo Josef Schiff
- Leonard Isaac Schiff
- Moritz Schiff
- Andreas Franz Wilhelm Schimper
- Karl Friedrich Schimper
- Wilhelm Philipp Schimper
- Hans Carl Frederik Christian Schjellerup
- Ludwig Schläfli
- Jacob Mathias Schleiden
- Frank Schlesinger
- Friedrich Albert Schlick
- Heinrich Schliemann
- Ernst Friedrich Schlotheim
- Charles Schlumberger
- Philippe-Charles Schmerling
- Casimir Christoph Schmidel
- Bernhard Voldemar Schmidt
- Carl August von Schmidt
- Erhard Schmidt
- Ernst Johannes Schmidt
- Gerhard Carl Nathaniel Schmidt
- Johann Friedrich Julius Schmidt
- Karl Patterson Schmidt
- Johann Ernst Schmiedeberg
- Friedrich Anton Schneider
- Hans Schneiderhöhn
- Arthur Moritz Schoenflies
- Rudolf Schoenheimer
- Basil Ferdinand Jamieson Schonland
- Henry Rowe Schoolcraft
- Frans van Schooten
- William-Henri Schopfer
- Carl Schorlemmer
- Charles Anthony Schott
- Gaspar Schott
- Otto Friedrich Schott
- Friedrich Hermann Schottky
- Pieter Hendrik Schoute
- Jan Arnoldus Schouten
- Joakim Frederik Schouw
- Franz Schrader
- Karl Schreibers
- Jacobus Ludovicus Conradus Schroeder van der Kolk
- Heinrich Eduard Schroeter
- Friedrich Wilhelm Karl Ernst Schröder
- Erwin Schrödinger
- Johann Hieronymus Schröter
- Anton von Schrötter
- Hermann Cäsar Hannibal Schubert
- Charles Schuchert
- Max Johann Sigismund Schultze
- Franz Ferdinand Schulze
- Heinrich Christian Schumacher
- Victor Schumann
- Christian Friedrich Schönbein
- Henry Edward Schunck
- Johannes Schöner
- Eduard Schönfeld
- Carl Johan Schünherr
- Johann Lucas Schönlein
- Issai Schur
- Arthur Schuster
- Samuel Heinrich Schwabe
- Theodor Ambrose Hubert Schwann
- Hermann Amandus Schwarz
- Gerold Karl Schwarzenbach
- Karl Schwarzschild
- Johann Salomo Christoph Schweigger
- Ferdinand Karl Schweikart
- Simon Schwendener
- Agostino Scilla
- Philip Lutley Sclater
- Dukinfield Henry Scott
- William Berryman Scott
- George Julius Poulett Scrope
- Samuel Hubbard Scudder
- Frederick Hanley Seares
- Angelo Secchi
- Ivan Mikhaylovich Sechenov
- Johannes Jakob Sederholm
- Adam Sedgwick
- Georgy Yakovlevich Sedov
- Thomas Jefferson Jackson See
- Thomas Seebeck
- Hugo von Seeliger
- János-András Segner
- Corrado Segre
- Armand Séguin
- Marc Seguin
- Philipp Ludwig von Seidel
- Takakazu Seki
- Edmund Selous
- Alfred Richard Cecil Selwyn
- Ignaz Philipp Semmelweis
- Richard Wolfgang Semon
- Carl Gottfried Semper
- Petr Petrovich Semyonov-Tyan-Shansky
- Jean-Baptiste Senac
- Henri Hureau de Sénarmont
- Michael Sendivogius
- Jean Senebier
- Lucius Annaeus Seneca
- Daniel Sennert
- Aleksandr Sergeevich Serebrovskii
- Serenus
- Edmond Sergent
- Marcel Pierre Toussaint de Serres de Mesplès
- Antoine Étienne Reynaud Augustin Serres
- Olivier de Serres
- Joseph Alfred Serret
- Enrico Sertoli
- Friedrich Wilhelm Adam Ferdinand Sertürner
- Georges-Simon Serullas
- Michael Servetus
- François-Joseph Servois
- Martín de Sessé y Lacasta
- William Albert Setchell
- Vasily Mikhaylovich Severgin
- Francesco Severi
- Christian Severin
- Marco Aurelio Severino
- Petrus Severinus
- Aleksey Nikolaevich Severtsov
- Albert Charles Seward
- Sextus Empiricus
- Katsutada Sezawa
- Jeremy Shakerley
- Nathaniel Southgate Shaler
- William Shanks
- Harlow Shapley
- Vsevolod Vasilievich Sharonov
- William Sharpey
- Edward Albert Sharpey-Schäfer
- Robert Sharrock
- ʿĀlāʾ al-Dīn Abu'l-Ḥasan ʿAlī ibn Ibrāhīm ibn al-Shāṭir
- Samuil Osipovich Shatunovsky
- Peter Shaw
- William Napier Shaw
- Grigory Abramovich Shayn
- Victor Ernest Shelford
- Mikhail Mikhailovich Shemiakin
- Shen Kua
- Philip MacDonald Sheppard
- William Sherard
- Charles Scott Sherrington
- Walter Andrew Shewhart
- Harumi Shibukawa
- Nikolay Aleksandrovich Shilov
- Anania Shirakatsí
- Tadao Shizuki
- Ivan Ivanovich Shmalhauzen
- Lev Genrikhovich Shnirelman
- Yuly Mikhaylovich Shokalsky
- James Short
- Vladimir Borisovich Shtokman
- Alexei Vasilievich Shubnikov
- Aaron Franklin Shull
- Nevil Vincent Sidgwick
- Carl Theodor Ernst von Siebold
- Henry Friedrich Wilhelm Siedentopf
- Michal Siedlecki
- Karl Manne Georg Siegbahn
- Carl Ludwig Siegel
- Charles William Siemens
- Ernst Werner von Siemens
- Waclaw Sierpiński
- Joseph-Aignan Sigaud de Lafond
- Siger of Brabant
- Pierre Sigorgne
- Carlos de Sigüenza y Góngora
- Abū Saʿīd Aḥmad ibn Muḥammad ibn ʿAbd al-Jalīl al-Sijzī
- Benjamin Silliman
- Benjamin Jr. Silliman
- Simon de Phares
- Franz Eugen Simon
- Simplicius
- Thomas Simpson
- Robert Simson
- Abū ʿAlī al-Ḥusayn ibn ʿAbdallāh ibn Sīnā
- Abū Saʿīd Sinān ibn Thābit ibn Qurra
- Willem de Sitter
- Josef Škoda
- Albert Thoralf Skolem
- Zdenko Hans Skraup
- Konstantin Ivanovich Skryabin
- John Clarke Slater
- Louis Byrne Slichter
- Earl C. Slipher
- Vesto Melvin Slipher
- Sir Hans Sloane
- René-François de Sluse
- Evgeny Evgenievich Slutsky
- John Smeaton
- Adolf Gustav Stephan Smekal
- Edgar Fahs Smith
- Edward Smith
- Erwin Frink Smith
- Henry John Stephen Smith
- Homer William Smith
- James Edward Smith
- Philip Edward Smith
- Robert Smith
- Robert Angus Smith
- Sidney Irving Smith
- Theobald Smith
- William Smith
- Wilson Smith
- Arthur Smithells
- James Louis Macie Smithson
- Andreas Smits
- Marian Smoluchowski
- Charles Piazzi Smyth
- Willebrord Snel
- Charles Percy Snow
- John Snow
- Frederick Soddy
- Samuel Thomas Soemmerring
- Leonhard Sohncke
- Yulian-Karl Vasilievich Sokhotsky
- Dmitry Ivanovich Sokolov
- Daniel Carl Solander
- Ambrogio Soldani
- Johann Georg von Soldner
- Jean-Baptiste-François Soleil
- William Johnson Sollas
- Ernest Solvay
- Mary Fairfax Greig Somerville
- Arnold Sommerfeld
- Duncan Mclaren Young Sommerville
- Osip Ivanovich Somov
- Nikolay Yakovlevich Sonin
- Tracy Morton Sonneborn
- Pierre Sonnerat
- Soranus of Ephesus
- Henry Clifton Sorby
- Søren Peter Lauritz Sørensen
- Sosigenes
- Domingo de Soto
- Jean-Louis Giraud Soulavie
- Louis-François-Auguste Souleyet
- James South
- James Sowerby
- Lazzaro Spallanzani
- Hans Spemann
- Harold Spencer Jones
- Herbert Spencer
- Leonard James Spencer
- Elmer Ambrose Sperry
- Speusippus
- Sphujidhvaja
- Adriaan van den Spiegel
- Johann Baptist von Spix
- Gustav Friedrich Wilhelm Spoerer
- Sporus of Nicaea
- Thomas Sprat
- Christian Konrad Sprengel
- Kurt Polycarp Joachim Sprengel
- Walthère Victor Spring
- Richard Spruce
- Adolf Friedrich Wichard Sprung
- Johann Christoph Spurzheim
- Śrīdhara
- Śrīpati
- Charles Edward St. John
- Paul Gustav Stäckel
- Georg Ernst Stahl
- Johann Bernhard Stallo
- Jan Jansz De Jonge Stampioen
- Wendell Meredith Stanley
- Hermann Friedrich Stannius
- Thomas Ernest Stanton
- Johannes Stark
- George Starkey
- Ernest Henry Starling
- Jean-Servais Stas
- Stanislaw Wawrzyniec Staszic
- Rudolf Staub
- Hermann Staudinger
- Karl Georg Christian von Staudt
- Edgar William Richard Steacie
- John Edward Stead
- Thomas Roscoe Rede Stebbing
- Harry Steenbock
- Japetus Smith Steenstrup
- Josef Stefan
- Johan Willem Jakob Antoon Stein
- William Howard Stein
- Jakob Steiner
- Karl August Steinheil
- Ernst Steinitz
- Charles Proteus Steinmetz
- Leonhard Hess Stejneger
- Vladimir Andreevich Steklov
- Georg Wilhelm Steller
- Francesco Stelluti
- Niels Stensen
- Aleksandr Vasil'evich Stepanov
- Vyacheslav Vassilievich Stepanov
- Édouard Jean Marie Stephan
- Stephanus
- Stephanus of Alexandria
- Stephen of Antioch
- Marjory Stephenson
- Joseph Stepling
- Curt Stern
- Otto Stern
- Kaspar Maria von Sternberg
- Pavel Karlovich Sternberg
- Edward Stevens
- Nettie Maria Stevens
- Stanley Smith Stevens
- Simon Stevin
- Balfour Stewart
- George Neil Stewart
- Matthew Stewart
- Thomas Jan Stieltjes
- Michael Stifel
- Charles Wardell Stiles
- Wilhelm Hans Stille
- Frank Leslie Stillwell
- William Stimpson
- Charles Milton Altland Stine
- James Stirling
- Alfred Stock
- Chester Stock
- Aurel Boleslav Stodola
- George Gabriel Stokes
- Aleksandr Grigorievich Stoletov
- Otto Stolz
- Edmund Clifton Stoner
- George Johnstone Stoney
- Fredrik Carl Mülertz Størmer
- Strabo
- John Strachey
- Nikolai Mikhailovich Strakhov
- Eduard Adolf Strasburger
- Friedrich Wilhelm Strassman
- Strato of Lampsacus
- Frederick John Marrion Stratton
- Samuel Wesley Stratton
- Thomas Streete
- George Linius Streeter
- Erwin Stresemann
- Gustaf Benjamin Strömberg
- Svante Elis Strömgren
- Józef Struss
- John William Strutt
- Robert Strutt
- Friedrich Georg Wilhelm Struve
- Georg Otto Hermann Struve
- Gustav Wilhelm Ludwig Struve
- Karl Hermann Struve
- Otto Struve
- Otto Wilhelm Struve
- Alexander Stuart
- Bernhard Studer
- Eduard Study
- William Sturgeon
- Charles-François Sturm
- Friedrich Otto Rudolf Sturm
- Alfred Henry Sturtevant
- Mikhail Fedorovich Subbotin
- Alexander Suchten
- Karl Friedrich Jakob Sudhoff
- Eduard Suess
- Abu'l-Ḥusayn ʿAbd al-Raḥmān ibn ʿUmar al-Rāzī al-Ṣūfī
- Francis Bertody Sumner
- James Batcheller Sumner
- Karl Frithiof Sundman
- Willem Frederik Reinier Suringar
- Heinrich Suter
- William Sutherland
- Walter Stanborough Sutton
- The Svedberg
- Nils Eberhard Svedelius
- Harald Ulrik Sverdrup
- William Swainson
- Jan Swammerdam
- William Francis Gray Swann
- Frédéric Jean Edmond Swarts
- Olof Swartz
- Emanuel Swedenborg
- Gerard van Swieten
- Jan Hendrik van Swinden
- Richard Swineshead
- Thomas Sydenham
- Peter Ludvig Mejdell Sylow
- James Joseph Sylvester
- Franciscus Dele Boë Sylvius
- Robert Symmer
- Synesius of Cyrene
- László Szebellédy
- Leo Szilard
- Pál Szily
?
- Abu'l-Ḥasan Aḥmad ibn Muḥammad al-Ṭabarī
- Abu'l-Ḥasan ʿAlī ibn Sahl Rabbān al-Ṭabarī
- John Tabor
- Pietro Tacchini
- Mariano di Jacomo Taccola
- Otto Tachenius
- Andreas Tacquet
- Peter Guthrie Tait
- Teiji Takagi
- William Henry Fox Talbot
- Igor Evgenievich Tamm
- Gustav Heinrich Johann Apollon Tammann
- Aikitsu Tanakadate
- Gavriil Ivanovich Tanfilev
- Jules Tannery
- Paul Tannery
- Jean Tarde
- Giovanni Targioni Tozzetti
- Alfred Tarski
- Niccolò Tartaglia
- Shiro Tashiro
- Alfred Tauber
- Franz Adolph Taurinus
- Brook Taylor
- Charles Vincent Taylor
- Frank Bursley Taylor
- Frederick Winslow Taylor
- Geoffrey Ingram Taylor
- Hugh Stott Taylor
- Jethro Justinian Harris Teall
- Ludwik Karol Teichmann
- Paul Julius Oswald Teichmüller
- Pierre Teilhard de Chardin
- Georges Teissier
- Bernardino Telesio
- Willem Ten Rhyne
- Smithson Tennant
- David Hilt Tennent
- Pierre Termier
- Nikola Tesla
- Jean Léo Testut
- al-Ṣābiʾ al-Ḥarrānī Thābit ibn Qurra
- Thales
- Károly Than
- Roland Thaxter
- William Sydney Thayer
- Theaetetus
- Themistius
- Louis Jacques Thenard
- Theodorus of Cyrene
- Theodosius of Bithynia
- Theon of Alexandria
- Theon of Smyrna
- Theophilus
- Theophrastus
- Theudius of Magnesia
- Melchisédech Thévenot
- F. K. Johannes Thiele
- Thorvald Nicolai Thiele
- Hans Thierfelder
- Thierry of Chartres
- William Turner Thiselton-Dyer
- Louis Thollon
- Thomas Thomas of Cantimpré
- Hugh Hamshaw Thomas
- Karl Thomas
- Sidney Gilchrist Thomas
- Alvaro Thomaz
- Benjamin Thompson
- D'Arcy Wentworth Thompson
- John Vaughan Thompson
- Silvanus Phillips Thompson
- Christian Jürgensen Thomsen
- Hans Peter Jürgen Julius Thomsen
- Elihu Thomson
- George Paget Thomson
- Joseph John Thomson
- Sir Charles Wyville Thomson
- Sir William Thomson
- Thomas Thomson
- Jocelyn Field Thorpe
- Thomas Edward Thorpe
- André Thouin
- Axel Thue
- Carl Peter Thunberg
- Thorsten Ludvig Thunberg
- Gustave Adolphe Thuret
- John Thurnam
- Leonhard Thurneysser
- Robert Henry Thurston
- Thymaridas
- Jacob Ben Machir ibn Tibbon
- Moses Ben Samuel ibn Tibbon
- Friedrich Tiedemann
- Philippe van Tieghem
- Johann Carl Wilhelm Ferdinand Tiemann
- Heinrich Franz Friedrich Tietze
- Shihāb al-Dīn Abu' L-ʿAbbās AḤmad ibn Yūsuf al-Tīfāshī
- Gavriil Adrianovich Tikhov
- Daniel Tilas
- Sir William Augustus Tilden
- Mathieu Tillet
- Cecil Edgar Tilley
- Aleksey Andreevich Tillo
- Alexander Tilloch
- Joseph-Marie de Tilly
- Amīn al-Dawla Abu'l-Ḥasan Hibat Allāh ibn Ṣaʿīd ibn al-Tilmīdh
- Kliment Arkadievich Timiryazev
- Nikolai Vladimirovich Timofeeff-Ressovsky
- Stepan Timoshenko
- Charles de Tinseau D'Amondans
- Arne Wilhelm Kaurin Tiselius
- François Félix Tisserand
- Edward Charles Titchmarsh
- Johann Daniel Titius
- Isaac Todhunter
- Otto Toeplitz
- Richard Chace Tolman
- Sin-Itiro Tomonaga
- Marcantonio della Torre
- Leonardo Torres Quevedo
- John Torrey
- Evangelista Torricelli
- Paolo Toscanelli Dal Pozzo
- Paolo Toscanelli dal Pozzo
- George Hoggart Toulmin
- Joseph Pitton de Tournefort
- Richard Towneley
- John Sealy Edward Townsend
- Joseph Townsend
- Don Bruno Tozzi
- John (1608–1662) Tradescant
- John (c. 1570– 1638) Tradescant
- Moritz Traube
- Morris William Travers
- Friedrich Wilhelm Heinrich von Trebra
- Jacques Gustave Marie Tréfouël
- William Trelease
- Abraham Trembley
- Melchior Treub
- Gottfried Reinhold Treviranus
- Ludolph Christian Treviranus
- José Gerónimo Triana
- Michele Troja
- Johann Bartholomäus Trommsdorff
- Gerard Troost
- Louis Joseph Troost
- Adriaan Paets van Troostwijk
- Johannes Tropfke
- Edward Troughton
- Frederick Thomas Trouton
- Étienne Léopold Trouvelot
- John Trowbridge
- Giovanni Trulli
- Robert Julius Trumpler
- Erich Tschermak von Seysenegg
- Gustav Tschermak
- Ehrenfried Walther Tschirnhaus
- Vitold Karlovich Tserasky
- Konstantin Eduardovich Tsiolkovsky
- Tsu Ch'ung-chih
- Mikhail Semenovich Tsvet
- Abū Bakr Muḥammad ibn Ṭufayl
- Louis-René Tulasne
- Nicholaas Tulp
- Cuthbert Tunstall
- Andrey Nikolaevich Tupolev
- Paul Turán
- Ludwig Türck
- Göte Wilhelm Turesson
- Anne-Robert-Jacques Turgot
- Étienne-François Turgot
- Alan Mathison Turing
- Edward Turner
- Herbert Hall Turner
- Peter Turner
- William Turner
- William (1508–1568) Turner
- William (1832–1916) Turner
- William Ernest Stephen Turner
- Pierre Jean François Turpin
- Theodore Turquet de Mayerne
- Muḥammad ibn Muḥammad ibn al-Ḥasan al-Ṭūsī
- Sharaf al-Dīn al-Muẓaffar ibn Muḥammad ibn al-Muẓaffar al-Ṭūsī
- Alfred Edwin Howard Tutton
- Merle Antony Tuve
- William Henry Twenhofel
- Frederick William Twort
- John Tyndall
- Joseph Burr Tyrrell
- Edward Tyson
?
- Jakob Johann von Uexküll
- Alexei Alexeivich Ukhtomsky
- Antonio de Ulloa y de la Torre Giral
- Ulrich of Strasbourg
- Edward Oscar Ulrich
- Philipp Ulstad
- Ulugh Beg
- ʿUmar ibn al-Farrukhān al-Ṭabarī
- Abū ʿAbdallāh YaʿĪsh ibn Ibrāhīm ibn Yūsuf ibn Simāk al-Andalusī al-Umawī
- Nikolai Alexeevich Umov
- José Hipólito Unanue
- Franz Unger
- Johann August Unzer
- Abu'l-Ḥasan Aḥmad ibn Ibrāhīm al-Uqlīdīsī
- Georges Urbain
- Andrew Ure
- Harold Clayton Urey
- Pavel Samuilovich Uryson
?
- Egor Egorovich Vagner
- Giovanni Vailati
- Léon-Louis Vaillant
- Sébastien Vaillant
- Achille Valenciennes
- Gabriel Gustav Valentin
- Basil Valentine
- Luca Valerio
- Charles-Jean-Gustave-Nicolas Vallée-Poussin
- Antonio Vallisnieri
- Jacques-Christophe Valmont de Bomare
- Anton Maria Valsalva
- Roberto Valturio
- Juan de Valverde
- Robert Jemison Van de Graaff
- Charles Richard Van Hise
- William Van Leckwijck
- Donald Dexter Van Slyke
- John Hasbrouck Van Vleck
- Alexandre-Théophile Vandermonde
- Harry Schultz Vandiver
- Giulio Cesare Vanini
- Jacobus Henricus Van't Hoff
- Lardner Vanuxem
- Varāhamihira
- Bernhardus Varenius
- Pierre Varignon
- Costanzo Varolio
- Marcus Terentius Varro
- Giulio Vassale
- Giovanni Vastarini-Cresi
- Vaṭeśvara
- Sébastien le Prestre de Vauban
- Jean Pierre Étienne Vaucher
- Nicolas Louis Vauquelin
- Nikolay Ivanovich Vavilov
- Sergey Ivanovich Vavilov
- Oswald Veblen
- Lars Vegard
- František Vejdovský
- Vladimir Iosifovich Veksler
- José Mariano da Conceição Vellozo
- Gabriel François Venel
- Ignatz Venetz
- Felix Andries Vening Meinesz
- John Venn
- Paul Ver Eecke
- Faustus Verantius
- Marcel Émile Verdet
- Pierre-François Verhulst
- Vladímir Ivanovich Vernadsky
- Philippe Édouard Poulletier de Verneuil
- Ernest Basil Verney
- Pierre Vernier
- Sergei Nikolaevich Vernov
- Giuseppe Veronese
- Addison Emery Verrill
- Max Verworn
- Andreas Vesalius
- Johann Vesling
- Ernest Vessiot
- Hubert Bradford Vickery
- Félix Vicq d'Azyr
- François Viète
- Raymond Vieussens
- John Francis Vigani
- Giovanni da Vigo
- Vijayananda
- Juan Bautista Villalpando
- Villard de Honnecourt
- Paul Villard
- Emilio Villari
- Pierre Louis François Leveque de Vilmorin
- Vincent of Beauvais
- Jerome Ruben Vinograd
- Sergey Nikolaevich Vinogradsky
- Jules Louis Gabriel Violle
- Rudolf Carl Virchow
- Julien-Joseph Virey
- Artturi Ilmari Virtanen
- Giuseppe Vitali
- Vitruvius Pollio
- Juan Luis Vives
- Vincenzo Viviani
- Vladimir Yulevich Vize
- Adriaan Vlacq
- Isaäk Martinus van der Vlerk
- Aleksandr Ivanovich Voeykov
- Hermann Carl Vogel
- Carl Vogt
- Johan Hermann Lie Vogt
- Thorolf Vogt
- Johann Carl Wilhelm Voigt
- Woldemar Voigt
- Carl von Voit
- Paul Oskar Eduard Volkmann
- Constantin-François Chasse-Boeuf Volney
- Alessandro Giuseppe Antonio Anastasio Volta
- François Marie Arouet de Voltaire
- Vito Volterra
- Philippe Louis Voltz
- Johann Von Neumann
- Mikhail Stepanovich Voronin
- Georgy Fedoseevich Voronoy
- Hugo de Vries
- Nikolay Evgenievich Vvedensky
- Ivan Alekseevich Vyshnegradsky
- Georgy Nikolaevich Vysotsky
?
- Peter Waage
- Johannes Diderik van der Waals
- Heinrich Wilhelm Ferdinand Wackenroder
- Abū al-Muṭarrif ʿAbd al-Raḥman ibn Wāfid
- Laurence Rickard Wager
- Julius Wagner von Jauregg
- Rudolph Wagner
- Göran Wahlenberg
- Abū Bakr Aḥmad ibn ʿAlī ibn al-Mukhtār ibn Waḥshiyya
- Selman Abraham Waksman
- Johann Ernst Immanuel Walch
- Charles Doolittle Walcott
- Abraham Wald
- František Wald
- Paul Walden
- Wilhelm von Waldeyer-Hartz
- Martin Waldseemüller
- Alexander Walker
- John Walker
- Alfred Russel Wallace
- William Wallace
- Otto Wallach
- Augustus Volney Waller
- Johan Gottschalk Wallerius
- George Charles Wallich
- John Wallis
- Walter of Odington
- Philippe Walter
- Johannes Walther
- Izaak Walton
- Wang Hsi-Shan
- Hsien Chung Wang
- Albert Wangerin
- James Alfred Wanklyn
- Emil Gabriel Warburg
- Otto Heinrich Warburg
- Seth Ward
- Pehr Wilhelm Wargentin
- Edward Waring
- Johannes Eugenius Bülow Warming
- Edward Wight Washburn
- Henry Stephens Washington
- August Paul von Wassermann
- John James Waterston
- Charles Waterton
- George Neville Watson
- Hewett Cottrell Watson
- Richard Watson
- Sereno Watson
- William Watson
- Robert Alexander Watson-Watt
- James Watt
- Ernst Heinrich Weber
- Hans Herman Julius Wilhelm Weber
- Heinrich Weber
- Max Wilhelm Carl Weber
- Wilhelm Eduard Weber
- Arthur Gordon Webster
- David Locke Webster
- John Webster
- Thomas Webster
- Joseph Henry MacLagan Wedderburn
- Georg Wolfgang Wedel
- Josiah Wedgwood
- Alfred Lothar Wegener
- Arthur Rudolph Berthold Wehnelt
- Anton Weichselbaum
- Karl Theodor Wilhelm Weierstrass
- Christian Ehrenfried Weigel
- Valentin Weigel
- Carl Weigert
- Wilhelm Weinberg
- Julius Weingarten
- Julius Ludwig Weisbach
- August Friedrich Leopold Weismann
- Christian Samuel Weiss
- Edmund Weiss
- Pierre Weiss
- Chaim Weizmann
- William Henry Welch
- Walter Frank Raphael Weldon
- Harry Gideon Wells
- William Charles Wells
- Gottfried Wendelin
- Friedrich August Ferdinand Christian Went
- Gregor Wentzel
- Johann-Jakob Wepfer
- Abraham Gottlob Werner
- Alfred Werner
- Johann(es) Werner
- Carl Wernicke
- Ernst Wertheim
- Caspar Wessel
- Hermann Weyl
- George Wharton
- Thomas Wharton
- Richard Whately
- Charles Wheatstone
- William Morton Wheeler
- William Whewell
- William Whiston
- Charles White
- Charles David White
- Gilbert White
- Israel Charles White
- Thomas White
- Alfred North Whitehead
- John Henry Constantine Whitehead
- John Whitehurst
- Robert Parr Whitfield
- Charles Otis Whitman
- Josiah Dwight Whitney
- Edmund Taylor Whittaker
- Walter Frederick Whittard
- Robert Whytlaw-Gray
- Robert Whytt
- Ernest Wickersheimer
- Johannes Widman
- Aloys Joseph Beck Edler von Widmannstätten
- Emil Wiechert
- Maximilian Zu Wied
- Gustav Heinrich Wiedemann
- Robert Wiedersheim
- Johann Christian Wiegleb
- Heinrich Otto Wieland
- Melchior Wieland
- Heinrich Wieleitner
- Wilhelm Carl Werner Otto Fritz Franz Wien
- Ludwig Christian Wiener
- Norbert Wiener
- Otto Wiener
- Julius von Wiesner
- Albert Julius Wilhelm Wigand
- Johann Bernhard Wilbrand
- Johan Carl Wilcke
- Ernest Julius Wilczynski
- Heinrich Wild
- Harvey Washington Wiley
- Wilhelm IV
- Richard Herman Wilhelm
- Ludwig Ferdinand Wilhelmy
- John Wilkins
- Samuel Stanley Wilks
- Karl Ludwig Willdenow
- William of Auvergne
- William of Saint-Cloud
- William of Sherwood
- William the Englishman
- Henry Shaler Williams
- Robert Runnels Williams
- Alexander William Williamson
- William Crawford Williamson
- Bailey Willis
- Robert Willis
- Thomas Willis
- Samuel Wendell Williston
- Richard Willstätter
- Francis Willughby
- Johannes Wilsing
- Alexander Wilson
- Benjamin Wilson
- Charles Thomson Rees Wilson
- Edmund Beecher Wilson
- Edwin Bidwell Wilson
- Harold Albert Wilson
- John Wilson
- Alexander Winchell
- Alexander Newton Winchell
- Horace Vaughn Winchell
- Newton Horace Winchell
- Adolf Otto Reinhold Windaus
- Vincent Wing
- Clemens Winkler
- Helmut Gustav Franz Winkler
- Lajos Wilhelm Winkler
- Joseph Winlock
- Jacob Winsløw
- Saul Winstein
- John Winthrop
- Aurel Wintner
- Johannes Wislicenus
- Caspar Wistar
- Witelo
- Henry Witham
- William Withering
- Jan de Witt
- Ludwig Wittgenstein
- Paul Wittich
- Franz Woepcke
- Charles Joseph Étienne Wolf
- Johann Rudolf Wolf
- Maximilian Franz Joseph Cornelius Wolf
- Caspar Friedrich Wolff
- Christian Wolff
- Jacob Wolfowitz
- Melville Lawrence Wolfrom
- Francis Wollaston
- William Hyde Wollaston
- Reinhard Woltman
- Horatio C. Wood
- Robert Williams Wood
- Robert Woodhouse
- John Woodward
- Robert Simpson Woodward
- Charles Leonard Woolley
- Ole Worm
- Jens Jacob Worsaae
- Edward Wotton
- Peter Woulfe
- Christopher Wren
- Almroth Edward Wright
- Edward Wright
- Frederick Eugene Wright
- George Frederick Wright
- Thomas Wright
- Wilbur Wright
- William Hammond Wright
- Zygmunt Florenty von Wróblewski
- Hsien Wu
- August Wöhler
- Friedrich Wöhler
- Georg Wulff
- Wilhelm Wundt
- Charles-Adolphe Wurtz
- Jeffries Wyman
?
?
- Yaḥyā ibn Abī Manṣūr
- Yang Hui
- Yaʿqūb ibn Ṭāriq
- Shihāb al-Dīn Abū ʿAbdallāh Yāqūt ibn ʿAbd Allāh Yāqūt al-Ḥamawī al-Rūmī
- Yativṛṣabha
- Yavaneśvara
- Robert Mearns Yerkes
- Alexandre Yersin
- William John Youden
- Charles Augustus Young
- John Richardson Young
- John Wesley Young
- Sydney Young
- Thomas Young
- William Henry Young
- Hideki Yukawa
- George Udny Yule
- Abu'l-Ḥasan ʿAlī ibn ʿAbd al-Raḥmān ibn Aḥmad ibn Yūnus al-Ṣadafī ibn Yūnus
?
- Jacopo Zabarella
- Franz Xaver von Zach
- William Houlder Zachariasen
- Abraham Bar Samuel Bar Abraham Zacuto
- Abu'l-Qāsim Khalaf ibn ʿAbbās al-Zahrāwī
- Adam Zalužanský Ze Zalužan
- Giuseppe Zambeccari
- Ferruccio Zambonini
- Eustachio Zanotti
- Kazimierz Zarankiewicz
- Abū Isḥāq Ibrāhīm ibn Yaḥyā al-Naqqāsh al-Zarqālī
- Mikhail Mikhaylovich Zavadovsky
- Aleksey Alekseevich Zavarzin
- Pieter Zeeman
- René Charles Zeiller
- William Christopher Zeise
- Ludwik Zejszner
- Nikolay Dmitrievich Zelinsky
- Géza Zemplén
- Zeno of Citium
- Zeno of Elea
- Zeno of Sidon
- Zenodorus
- Ernst Friedrich Ferdinand Zermelo
- Frits Zernike
- Leonidas Zervas
- Gustav Anton Zeuner
- Hieronymus Georg Zeuthen
- Nikolay Egorovich Zhukovsky
- Karl Waldemar Ziegler
- Walter Zimmermann
- Nikolay Nikolaevich Zinin
- Hans Zinsser
- Ferdinand Zirkel
- Karl Alfred von Zittel
- Egor Ivanovich Zolotarev
- Zosimus of Panopolis
- Richard Adolf Zsigmondy
- Nikolay Nikolaevich Zubov
- Vasily Pavlovich Zubov
- Niccolò Zucchi
- Abū Marwān ʿAbd al-Malik ibn Abi'l-ʿAlāʾ ibn Zuhr
- Johann Karl Friedrich Zöllner
- Johann Zwelfer
- Fritz Zwicky
?
?
- Cleveland Abbe
- Antonio Abetti
- William de Wiveleslie Abney
- Abraham Bar ?iyya Ha-Nasi
- Mu?ammad ibn Mu?ammad ibn Ya?y? ibn Ism???l ibn al-?Abb?s Ab?'l-Waf?? al-B?zj?n?
- Acyuta Pi??ra?i
- John Couch Adams
- Adelard of Bath
- Pierre d'Ailly
- George Biddell Airy
- Robert Grant Aitken
- Carl Theodor Albrecht
- Alfonso El Sabio
- José Antonio Alzate y Ramírez
- Anaximander
- Henri Andoyer
- Charles Louis François André
- Johannes Angelus
- Anders Jonas Ångström
- Voituret Anthelme
- Antiphon
- Eugène M. Antoniadi
- Peter Apian
- Dominique François Jean Arago
- Aratus of Soli
- Friedrich Wilhelm August Argelander
- Andrea Argoli
- Aristarchus of Samos
- Aristotle
- Aristyllus
- Heinrich Louis d'Arrest
- Asada Gōryū
- Autolycus of Pitane
- Arthur Julius Georg Friedrich von Auwers
- Adrien Auzout
- Wilhelm Heinrich Walter Baade
- Jacques Babinet
- Jöns Oskar Backlund
- Solon Irving Bailey
- Jean-Sylvain Bailly
- Francis Baily
- Thaddeus Banachiewicz
- Ban? M?s?
- Giovanni Antonio Baranzano
- Joseph-Émile Barbier
- Edward Emerson Barnard
- Franciscus Barocius
- Ab? ?Abd All?h Mu?ammad ibn J?bir ibn Sin?n al-Raqq? al-?arr?n? al-??bi? al-Batt?n?
- Johann Bayer
- Wilhelm Beer
- Johann Friedrich Benzenberg
- Torbern Olof Bergman
- Bernard of Le Treille
- Bernardus de Bernard of Verdun
- Jakob Bernoulli
- Johann Bernoulli
- Gasparo Berti
- Friedrich Wilhelm Bessel
- Bh?skara I
- Bh?skara II
- Alexander William Bickerton
- Wilhelm von Biela
- Camille Guillaume Bigourdan
- Jacques de Billy
- John Birmingham
- William Radcliff Birt
- Ab? Ray??n al-B?r?n?
- Ab? Is??q al-Bi?r?j? al-Ishb?l?
- Jacob Aall Bonnevie Bjerknes
- Sergei Nikolaevich Blazhko
- Jean-Baptiste-Gaspard Bochart de Saron
- Johann Elert Bode
- Palm Heinrich Ludwig von Boguslavsky
- Federigo Bonaventura
- George Phillips Bond
- William Cranch Bond
- Giovanni Alfonso Borelli
- Rudjer J. Boškovi?
- Lewis Boss
- Ismael Boulliau
- Edmond Bour
- Alexis Bouvard
- Nathaniel Bowditch
- Ira Sprague Bowen
- James Bradley
- Tycho Brahe
- Brahmadeva
- Brahmagupta
- Heinrich Wilhelm Brandes
- Auguste Bravais
- Fedor Aleksandrovich Bredikhin
- Simon Bredon
- Carl Bremiker
- Otto Rudolf Martin Brendel
- John Brinkley
- Thomas Brisbane
- Pierre René Jean-Baptiste Henri Brocard
- William Robert Brooks
- Dirk Brouwer
- Ernest William Brown
- Karl Christian Bruhns
- Walter Brytte
- Jacques Buot
- Johann Tobias Bürg
- Joost Bürgi
- Thomas Burnet
- Sherburne Wesley Burnham
- Carl Jensen Burrau
- August Ludwig Busch
- Christoph Hendrik Diederik Buys Ballot
- Niccolo Cabeo
- Giuseppe Calandrelli
- Ignazio Calandrelli
- Francisco José de Caldas
- Pierre Jean Octave Callandreau
- Callippus
- Giuseppe Campani
- Campanus of Novara
- William Wallace Campbell
- Charles-Étienne-Louis Camus
- Annie Jump Cannon
- Baldassar Capra
- Richard Christopher Carrington
- Gian Domenico Cassini
- Jacques Cassini
- Jean-Dominique Cassini
- César-François Cassini de Thury
- Benedetto Castelli
- Augustin-Louis Cauchy
- Arthur Cayley
- Anders Celsius
- James Challis
- Thomas Chrowder Chamberlin
- Seth Carlo Chandler
- Jean-Baptiste Chappe D'Auteroche
- Geoffrey Chaucer
- Jean François Chazy
- Temple Chevallier
- Joshua Childrey
- William Henry Mahoney Christie
- Jacob Christmann
- Alexis-Claude Clairaut
- Alvan Clark
- François Auguste Claude
- Thomas Clausen
- Christoph Clavius
- Cleomedes
- José Comas Solá
- Andrew Ainslie Common
- Leslie John Comrie
- George Cary Comstock
- Conon of Samos
- Nicholas Copernicus
- Martín Cortes de Albacar
- Eugène Maurice Pierre Cosserat
- Roger Cotes
- Louis Cotte
- Philip Herbert Cowell
- William Crabtree
- Andrew Claude de la Cherois Crommelin
- Heber Doust Curtis
- Ralph Hamilton Curtiss
- Johann Baptist Cysat
- Joachim Dalencé
- John Dalton
- John Frederic Daniell
- Egnatio Danti
- Patrick D'Arcy
- George Howard Darwin
- Da?abala
- Cunradus Dasypodius
- William Morris Davis
- William Rutter Dawes
- Jean-Baptiste Joseph Delambre
- Warren De La Rue
- Charles-Eugène Delaunay
- Joseph-Nicolas Delisle
- Eugène Joseph Delporte
- Jean André Deluc
- Ercole Dembowski
- Henri Deslandres
- Dinakara
- Achille-Pierre Dionis du Séjour
- Paul Adrien Maurice Dirac
- Jeremiah Dixon
- Giovan Battista Donati
- Giovanni Dondi
- Johann Gabriel Doppelmayr
- Johann Christian Doppler
- Georg Samuel Dörffel
- Dositheus
- Heinrich Wilhelm Dove
- Arthur Matthew Weld Downing
- Henry Draper
- Johann Louis Emil Dreyer
- Andreas Dudith
- Raymond Smith Dugan
- John Charles Duncan
- Nils Christofer Dunér
- Frank Watson Dyson
- Cornelis Easton
- Wallace John Eckert
- Arthur Stanley Eddington
- William Lewis Elkin
- William Ellis
- Pio Emanuelli
- Johann Franz Encke
- Georg Adolph Erman
- Hans Ertel
- Ernest Benjamin Esclangon
- James Pollard Espy
- Euctemon
- Eudoxus of Cnidus
- Leonhard Euler
- Abraham Ben Meir ibn Ezra
- Louis Fabry
- Abu'l-?Abb?s A?mad ibn Mu?ammad ibn Kath?r al-Fargh?n?
- Hervé Faye
- Mu?ammad ibn Ibr?h?m al-Faz?r?
- James Ferguson
- Louis Feuillée
- Oronce Fine
- Thomas Fink
- Robert Fitzroy
- Camille Flammarion
- John Flamsteed
- Williamina Paton Fleming
- Bernard Le Bouyer de Fontenelle
- Jean-Paul Grandjean de Fouchy
- Benjamin Franklin
- Bernard Frenicle De Bessy
- Erwin Finlay Freundlich
- Paolo Frisi
- Edwin Brant Frost
- Jean Fusoris
- Nicolaus Fuss
- Aimable Jean-Baptiste Gaillot
- Galileo Galilei
- Johann Gottfried Galle
- Ga?e?a
- William Gascoigne
- Pierre Gassendi
- Paul Ferdinand Gautier
- Geminus
- Gerard of Silteo
- Giles of Lessines
- Giles of Rome
- David Gill
- James Glaisher
- James Whitbread Lee Glaisher
- Louis Godin
- John Goodricke
- Benjamin Apthorp Gould
- Kasimir Romuald Graff
- David Gregory
- James Gregory
- Francesco Maria Grimaldi
- Federico de Grisogono
- Ernst A. F. W. Grossmann
- Adam Wilhelm Siegmund Guenther
- A?mad ibn ?Abdall?h al-Marwaz? ?abash al-??sib
- Asaph Hall
- Edmond Halley
- Jacob Karl Ernst Halm
- Maurice Théodore Adolphe Hamy
- Julius Ferdinand von Hann
- Peter Andreas Hansen
- Aleksey Pavlovich Hansky
- Christopher Hansteen
- Carl Ludwig Harding
- Haridatta I
- Haridatta II
- William Harkness
- Thomas Harriot
- Johannes Franz Hartmann
- Ernst Hartwig
- Ab? ?Al? al-?asan ibn al-?asan ibn al-Haytham
- Maximilian Hell
- Friedrich Robert Helmert
- Thomas Henderson
- Paul Pierre Henry
- Henry Bate of Malines
- Henry of Hesse
- Heraclides Ponticus
- Hermann the Lame
- Caroline Lucretia Herschel
- John Frederick William Herschel
- William Herschel
- Ejnar Hertzsprung
- Johannes Hevelius
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- Leon Hufnagel
- William Joseph Hussey
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- Ibr?h?m ibn Sin?n ibn Th?bit ibn Qurra
- Naum Ilich Idelson
- Robert Thorburn Ayton Innes
- Tadataka In?
- Ab? Mu?ammad J?bir ibn Afla? al-Ishb?l?
- Jagann?tha
- Pierre Jules César Janssen
- al-?Abb?s ibn Sa??d al-Jawhar?
- Jayasi?ha
- Ab? ?Abd All?h Mu?ammad ibn Mu??dh al-Jayy?n?
- James Hopwood Jeans
- Edme-Sébastien Jeaurat
- Thomas Jefferson
- Johannes Lauratius de Fundis
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- John Simonis of Selandia
- Manuel John Johnson
- Frederik Kaiser
- Kamal?kara
- Kanaka
- Jacobus Cornelius Kapteyn
- Ghiy?th al-D?n Jamsh?d Mas??d al-K?sh?
- Vladimir Vladimirovich Kavraysky
- Bartholomew Keckermann
- James Edward Keeler
- Johannes Kepler
- Ke?ava
- Shams al-D?n Ab? ?Abdall?h Mu?ammad ibn Mu?ammad al-Khal?l?
- Ghiy?th al-D?n Abu'l- Fath ?Umar ibn Ibr?h?m al-N?s?-B?r? al-Khayy?m?
- Ab? Ja?far Muhammad ibn al-?asan al-Khur?s?n? al-Kh?zin
- Abu'l-Fat? ?Abd al-Ra?m?n al-Kh?zin?
- Ab? Ma?m?d ??mid ibn al-Khi?r al-Khujand?
- Ab? Ja?far Mu?ammad ibn M?s? al-Khw?rizm?
- Hisashi Kimura
- Daniel Kirkwood
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- Miklós von Konkoly Thege
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- Marian Albertovich Kovalsky
- Chrétien Kramp
- K???a
- Abu' L-?asan al-J?l? Kushy?r ibn Labb?n ibn B?shahr?
- Nicolas-Louis de Lacaille
- Joseph Louis Lagrange
- Gabriel-Philippe de La Hire
- Philippe de La Hire
- Joseph-Jérôme Lefrançais de Lalande
- Lalla
- Johann Heinrich Lambert
- Johann von Lamont
- Michael Florent van Langren
- Philip van Lansberge
- Pierre-Simon Marquis de Laplace
- William Lassell
- L??adeva
- Hans Emil Lau
- João Baptista Lavanha
- Henrietta Swan Leavitt
- Jean Le Fèvre
- Guillaume-Joseph-Hyacinthe- Jean-Baptiste Le Gentil de la Galaisière
- Georges Lemaître
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- Leo the Mathematician
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- Giovanni Antonio Magini
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- Ab? ?Abd All?h Mu?ammad ibn ??s? al-M?h?n?
- Mahendra S?ri
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- Makaranda
- Dmitry Dmitrievich Maksutov
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- Giacomo Filippo Maraldi
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- William Molyneux
- Geminiano Montanari
- Guidobaldo Monte
- Joseph Haines Moore
- Herbert Rollo Morgan
- Jean-Baptiste Morin
- Ernest Barthélémy Mouchez
- Forest Ray Moulton
- Gabriel Mouton
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- Gustav Müller
- Mun??vara Vi?var?pa
- Muñj?la
- José Celestino Bruno Mutis y Bossio
- N?ge?a
- James Nasmyth
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- Grigory Nikolaevich Neuymin
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- Jean Louis Nicolas Niesten
- N?laka??ha
- Domenico Maria Novara
- Boris Vasilievich Numerov
- Pedro Nuñez Salaciense
- Gioanbatista Odierna
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- Heinrich Wilhelm Matthias Olbers
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- Samuel Oppenheim
- Theodor Ritter von Oppolzer
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- Réginald Outhier
- Johann Palisa
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- Parame?vara
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- Q??? Z?da al-R?m?
- Zakariy? ibn Mu?ammad ibn Ma?m?d Ab? Ya?y? al-Qazw?n?
- Ab? Sahl Wayjan ibn Rustam al-Q?h?
- Qu?b al-D?n al-Sh?r?z?
- R?ghav?nanda ?arman
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- Ralph Allen Sampson
- ?at?nanda
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- William Napier Shaw
- Shen Kua
- Harumi Shibukawa
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- Willem de Sitter
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- ?r?pati
- Johan Willem Jakob Antoon Stein
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- Stephanus
- Joseph Stepling
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- Balfour Stewart
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- Frederick John Marrion Stratton
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- Friedrich Georg Wilhelm Struve
- Georg Otto Hermann Struve
- Gustav Wilhelm Ludwig Struve
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- Otto Struve
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- Mikhail Fedorovich Subbotin
- Abu'l-?usayn ?Abd al-Ra?m?n ibn ?Umar al-R?z? al-??f?
- Karl Frithiof Sundman
- Emanuel Swedenborg
- Jan Hendrik van Swinden
- Synesius of Cyrene
- Pietro Tacchini
- Jean Tarde
- al-??bi? al-?arr?n? Th?bit ibn Qurra
- Theodosius of Bithynia
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- Thorvald Nicolai Thiele
- Jacob Ben Machir ibn Tibbon
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- Étienne Léopold Trouvelot
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- Vitold Karlovich Tserasky
- Konstantin Eduardovich Tsiolkovsky
- Herbert Hall Turner
- Mu?ammad ibn Mu?ammad ibn al-?asan al-??s?
- Sharaf al-D?n al-Mu?affar ibn Mu?ammad ibn al-Mu?affar al-??s?
- Ulugh Beg
- ?Umar ibn al-Farrukh?n al-?abar?
- Harold Clayton Urey
- Var?hamihira
- Va?e?vara
- Lars Vegard
- Vijayananda
- Wang Hsi-Shan
- Seth Ward
- Pehr Wilhelm Wargentin
- John James Waterston
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- Alfred Lothar Wegener
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- Wilhelm IV
- William of Saint-Cloud
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- Alexander Wilson
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- Vincent Wing
- Joseph Winlock
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- Johann Rudolf Wolf
- Maximilian Franz Joseph Cornelius Wolf
- Francis Wollaston
- Thomas Wright
- William Hammond Wright
- Ya?y? ibn Ab? Man??r
- Ya?q?b ibn ??riq
- Yativ??abha
- Yavane?vara
- Charles Augustus Young
- Abu'l-?asan ?Al? ibn ?Abd al-Ra?m?n ibn A?mad ibn Y?nus al-?adaf? ibn Y?nus
- Franz Xaver von Zach
- Abraham Bar Samuel Bar Abraham Zacuto
- Eustachio Zanotti
- Ab? Is??q Ibr?h?m ibn Ya?y? al-Naqq?sh al-Zarq?l?
- Niccolò Zucchi
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- Pietro d' Abano
- John Jacob Abel
- Friedrich Christian Accum
- Franz Karl Achard
- Adam of Bodenstein
- Roger Adams
- Pierre-Auguste Adet
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- Pierre Jacques Antoine Béchamp
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- Johan August Brinell
- Wallace Reed Brode
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- John Young Buchanan
- Eduard Buchner
- Christian Friedrich Bucholz
- Jean-Baptiste Michel Bucquet
- Robert Wilhelm Eberhard Bunsen
- Charles Rugeley Bury
- Aleksandr Mikhailovich Butlerov
- Christoph Hendrik Diederik Buys Ballot
- Louis-Claude Cadet
- Charles- Louis Cadet de Gassicourt
- Antoine-Alexis- François Cadet de Vaux
- Auguste André Thomas Cahours
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- Franz Ludwig von Cancrin
- Stanislao Cannizzaro
- Arnould Carangeot
- Heinrich Caro
- Wallace Hume Carothers
- Henry Cort Harold Carpenter
- Joseph-Bienaimé Caventou
- MieczyslawI Centnerszwer
- Vicente Cervantes
- Ernst Boris Chain
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- Ilya Ilyich Chernyaev
- Jean-Baptiste- Alphonse Chevallier
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- Alexei Yevgenievich Chichibabin
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- Russell Henry Chittenden
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- Ludwig Claisen
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- Frank Wigglesworth Clarke
- Alexander Classen
- Adolf Carl Ludwig Claus
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- Per Teodor Cleve
- Jean-François Clouet
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- Edwin Joseph Cohn
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- Hippolyte- Victor Collet-Descotils
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- Hippolyte Eugène Copaux
- Valerius Cordus
- Gerty Theresa Radnitz Cori
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- Lorenz Florenz Friedrich von Crell
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- Henry Drysdale Dakin
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- John Dalton
- Henrik Dam
- John Frederic Daniell
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- Jean D'Arcet
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- Peter Joseph William Debye
- Gabriel Delafosse
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- Warren De La Rue
- Charles Derosne
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- Lawrence Joseph Henderson
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- Hermes Trismegistus
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- Jaroslav Heyrovský
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- August Wilhelm von Hofmann
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- Otto Hönigschmid
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- Felix Hoppe-Seyler
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- August Friedrich Horstmann
- Bernardo Alberto Houssay
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- Claude Silbert Hudson
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- Vladimir Nikolaevich Ipatiev
- János Irinyi
- Jabir ibn ?ayyan
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- Wilhelm Friedrich Kühne
- Johann Kunckel
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- hao P'in-hu Li Shih-Chen
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- Abich Otto Hermann Wilhelm
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- Anders Gustaf Ekeberg
- Fausto d' Elhuyar
- Juan José d' Elhuyar
- Jean- Baptiste-Armand-Louis- Léonce Élie de Beaumont
- William Ellis
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- Evgraf Stepanovich Fyodorov
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- Amanz Gressly
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- Arnold Henri Guyot
- Johann Franz Julius von Haast
- Robert Abbott Hadfield
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- Alfred Harker
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- Ferdinand Rudolph Hassler
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- Friedrich Robert Helmert
- Hermann von Helmholtz
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- Emil Heyn
- Friedrich Anton von Heynitz
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- Carlos Ibáñez E Ibáñez de Ibero
- Joseph Paxson Iddings
- Vincent Charles Illing
- Akitune Imamura
- Arturo Issel
- Auguste Jaccard
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- Nikolai Mikhailovich Knipovich
- Adolph Knopf
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- Martin Hans Christian Knudsen
- Miklós von Konkoly Thege
- Bunjiro Koto
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- Horace Lamb
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- Michel Ange Lancret
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- Albert-Auguste Cochon de Lapparent
- Charles Lapworth
- Esper Signius Larsen
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- Serve-Dieu Abailard Lévy
- Leonid Samuilovich Leybenzon
- Joseph Xaver Liesganig
- Waldemar Lindgren
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- Carl Linnaeus
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- Maurice Lugeon
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- John MacCulloch
- Felix Karl Ludwig Machatschki
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- Pierre-François-André Méchain
- Fielding Bradford Meek
- Robert Franklin Mehl
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- Auguste Michel-Lévy
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- Geminiano Montanari
- Raymond Cecil Moore
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- Ernest Charles Philippe Auguste Munier-Chalmas
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- Adolf Erik Nordenskiöld
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- Fusakichi Omori
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- Raphael Pumpelly
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- Walter Rosenhain
- James Clark Ross
- Justus Ludwig Adolph Roth
- Guillaume-François Rouelle
- Karl Frantsovich Rouillier
- Gaetano Rovereto
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?
- Abu ?amid al-Gharna?i
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- Jules Marcou
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- Shihab al-Din Abu ?Abdallah Yaqut ibn ?Abd Allah Yaqut al-?amawi al-Rumi
?
- Pietro d' Abano
- ?Abbas ibn Firnas
- William de Wiveleslie Abney
- ?Imad al-Din Abu'l-Fida? Isma?il ibn ?Ali ibn Ma?mud ibn … Ayyub
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- Mark Catesby
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- Ramon Lull
- Lorenzo Magalotti
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- John Maior
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- Edme Mariotte
- Ernest Marsden
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- Francesco di Giorgio di Martini
- Karl Friedrich Philipp von Martius
- Karl Marx
- Abu?ul-?asan?Ali ibn al-?usayn ibn ?Ali al-Mas?udi
- Raphael Meldola
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- Marin Mersenne
- Hélène Metzger
- Émile Meyerson
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- John Wesley Powell
- Theophil Mitchell Prudden
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- Qus?a ibn Luqa al-Ba?labakki
- Abu Mu?ammad ?Abdallah ibn Muslim al-Dinawari al-Jabali ibn Qutayba
- Emanuel Rádl
- Thomas Stamford Bingley Raffles
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- Ristoro
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- Denys de Sallo
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- Jakob Schegk
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- Jacob Ben Machir ibn Tibbon
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- Alexander Tilloch
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- John (c. 1570– 1638) Tradescant
- John (1608–1662) Tradescant
- Gerard Troost
- Johannes Tropfke
- Étienne Léopold Trouvelot
- William (1508–1568) Turner
- William (1832–1916) Turner
- John Tyndall
- Antonio de Ulloa y de la Torre Giral
- José Hipólito Unanue
- Giovanni Vailati
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- Marcus Terentius Varro
- Félix Vicq d'Azyr
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- Julien-Joseph Virey
- Vitruvius Pollio
- Adriaan Vlacq
- Paul Oskar Eduard Volkmann
- Constantin-François Chasse-Boeuf Volney
- François Marie Arouet de Voltaire
- Johann Ernst Immanuel Walch
- Alfred Russel Wallace
- Izaak Walton
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- William Henry Welch
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- Ernest Wickersheimer
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- Heinrich Wieleitner
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- Newton Horace Winchell
- William Withering
- Charles Joseph Étienne Wolf
- Johann Rudolf Wolf
- Jacob Wolfowitz
- Charles Leonard Woolley
- Ole Worm
- Jens Jacob Worsaae
- Edward Wotton
- Christopher Wren
- Shihab al-Din Abu ?Abdallah Yaqut ibn ?Abd Allah Yaqut al-?amawi al-Rumi
- John Wesley Young
- Jacopo Zabarella
- Hieronymus Georg Zeuthen
- Karl Alfred von Zittel
- Vasily Pavlovich Zubov
?
- John Jacob Abel
- Othenio Abel
- Erik Acharius
- Alessandro Achillini
- Carl Adolph Agardh
- Jacob Georg Agardh
- Alexander Agassiz
- Jean Louis Rodolphe Agassiz
- Izrail' Iosifovich Agol
- William Aiton
- William Townsend Aiton
- Charles Albert I of Monaco
- Bernard Siegfried Albinus
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- Frederik Bernard Albinus
- Ulisse Aldrovandi
- Alexander of Myndos
- Warder Clyde Allee
- Joel Asaph Allen
- Prospero Alpini
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- Edgar Anderson
- Nikolai Ivanovich Andrusov
- Luigi Anguillara
- Stephan Apáthy
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- Étienne-Jules-Adolphe Desmier Archiac
- Aristotle
- William Joscelyn Arkell
- Giuseppe Degli Aromatari
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- Peter Artedi
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- Gaspare Aselli
- Boris L'Vovich Astaurov
- William Thomas Astbury
- Wilbur Olin Atwater
- Jean Victor Audouin
- John James Audubon
- Oswald T. Avery
- ?Awwam Abu Zakariyya Ya?ya ibn Mu?ammad ibn al-
- Ernest Brown Babcock
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- Augustus Quirinus Bachmann
- Karl Ernst von Baer
- Georgius Baglivi
- Johann Jacob Baier
- Liberty Hyde Bailey
- Spencer Fullerton Baird
- John Gilbert Baker
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- Isaac Bayley Balfour
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- Orville Lee Bandy
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- Henry Gray Barbour
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- John Bartram
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- Francesco Bassani
- Agostino Maria Bassi
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- Henry Charlton Bastian
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- Frederick Charles Bawden
- Leonard Ernest Bayliss
- William Maddock Bayliss
- ?iya? al-din Abu Mu?hammad ?Abdallah ibn A?mad ibn al-Bay?ar al-Malaqi
- William Beaumont
- Nello Beccari
- Pierre Jacques Antoine Béchamp
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- Theodor Bilharz
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- Nikolay Nikolaevich Zubov
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- Niels Henrik Abel
- Abraham Bar ?iyya Ha-Nasi
- Abu Kamil Shuja? ibn Aslam ibn Mu?ammad ibn Shuja?
- Mu?ammad ibn Mu?ammad ibn Ya?ya ibn Isma?il ibn al-?Abbas Abu'l-Wafa? al-Buzjani
- John Couch Adams
- Adelard of Bath
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- Franz Ulrich Theodosius Aepinus
- Maria Gaetana Agnesi
- François d' Aguilon
- Ahmad ibn Yusuf
- Aida Yasuaki
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- Abraham Adrian Albert
- Albert of Saxony
- Leone Battista Alberti
- Pavel Sergeevich Aleksandrov
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- José Antonio Alzate y Ramírez
- André-Marie Ampère
- Jakob Amsler
- Anatolius of Alexandria
- Oskar Johann Viktor Anderson
- Henri Andoyer
- Stefano Degli Angeli
- Anthemius of Tralles
- Antiphon
- Apollonius of Perga
- Paul Appell
- Louis François Antoine Arbogast
- John Arbuthnot
- Archimedes
- Archytas of Tarentum
- Jean Robert Argand
- Aristaeus
- Aristarchus of Samos
- Antoine Arnauld
- Siegfried Heinrich Aronhold
- Emil Artin
- George Atwood
- Autolycus of Pitane
- Adrien Auzout
- Félix de Azara
- Charles Babbage
- Louis Bachelier
- Claude- Gaspar Bachet De Méziriac
- Paul Gustav Heinrich Bachmann
- Abu Man?ur ?Abd al-Qahir ibn ?ahir ibn Mu?ammad ibn ?Abdallah al–Tamimi al-Shafi?i al-Baghdadi
- René Louis Baire
- Balbus
- Johann Jakob Balmer
- Stefan Banach
- Banna? al-Marrakushi ibn al-
- Banu Musa
- Joseph-Émile Barbier
- Peter Barlow
- Franciscus Barocius
- Isaac Barrow
- Erasmus Bartholin
- Harry Bateman
- Abu ?Abd Allah Mu?ammad ibn Jabir ibn Sinan al-Raqqi al-?arrani al–?abi? al-Battani
- Thomas Bayes
- Jean Beaugrand
- Eric Temple Bell
- Giusto Bellavitis
- Eugenio Beltrami
- Giovanni Battista Benedetti
- Stefan Bergman
- Paul Isaac Bernays
- Daniel Bernoulli
- Jakob I Bernoulli
- Jakob II Bernoulli
- Johann I Bernoulli
- Johann II Bernoulli
- Johann III Bernoulli
- Nikolaus I Bernoulli
- Nikolaus II Bernoulli
- Felix Bernstein
- Sergey Natanovich Bernstein
- Eugenio Bertini
- Joseph Louis François Bertrand
- William Edward Hodgson Berwick
- Abram Samoilovitch Besicovitch
- Friedrich Wilhelm Bessel
- Enrico Betti
- Étienne Bezout
- Bhaskara II
- Luigi Bianchi
- Irénée-Jules Bienaymé
- Jacques de Billy
- John Bird
- George David Birkhoff
- Abu Ray?an al-Biruni
- Carl Anton Bjerknes
- Wilhelm Johann Eugen Blaschke
- Hans Frederick Blichfeldt
- Gilbert Ames Bliss
- Étienne Bobillier
- Maxime Bôcher
- Salomon Bochner
- Anicius Manlius Severinus Boethius
- Piers Bohl
- Harald Bohr
- Farkas Bolyai
- János Bolyai
- Oskar Bolza
- Bernard Bolzano
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- Pierre-Ossian Bonnet
- George Boole
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- Jean-Charles Borda
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- Giovanni Alfonso Borelli
- Karol Borsuk
- Ladislaus Bortkiewicz
- Ettore Bortolotti
- Rudjer J. Boškovic
- Abraham Bosse
- Charles Bossut
- Louis Antoine de Bougainville
- Ismael Boulliau
- Jean-Claude Bouquet
- Edmond Bour
- Pierre Léon Boutroux
- Charles Bouvelles
- Rufus Bowen
- Thomas Bradwardine
- William Braikenridge
- Benjamin Bramer
- Nikolai Dmitrievich Brashman
- Richard Dagobert Brauer
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- Jean Jacques Bret
- Charles-Julien Brianchon
- Henry Briggs
- Alexander Wilhelm von Brill
- Marcel Louis Brillouin
- Erland Samuel Bring
- John Brinkley
- Francesco Brioschi
- Charles Auguste Briot
- Barnabé Brisson
- Pierre René Jean- Baptiste Henri Brocard
- Thomas John I'Anson Bromwich
- William Brouncker
- Luitzen Egbertus Jan Brouwer
- Jan Brozek
- Filippo Brunelleschi
- Bryson of Heraclea
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- Nicolay Vasilievich Bugaev
- Keith Edward Bullen
- Viktor Yakovlevich Bunyakovsky
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- Joost Bürgi
- William Burnside
- Carl Jensen Burrau
- Johannes Buteo
- Niccolo Cabeo
- Ignazio Calandrelli
- Callippus
- Campanus of Novara
- Charles-Étienne-Louis Camus
- Georg Cantor
- Moritz Benedikt Cantor
- Juan Caramuel y Lobkowitz
- Constantin Carathéodory
- Pierre de Carcavi
- Girolamo Cardano
- Lazare-Nicolas- Marguerite Carnot
- Élie Cartan
- Louis-Bertrand Castel
- Guido Castelnuovo
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- Bonaventura Cavalieri
- Arthur Cayley
- Eduard Cech
- Ernesto Cesàro
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- Tomasso Ceva
- Sergei Alekseevich Chaplygin
- Michel Chasles
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- Pafnuty Lvovich Chebyshev
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- Ch'in Chiu-Shao
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- Elwin Bruno Christoffel
- George Chrystal
- Nicolas Chuquet
- Chu Shih-Chieh
- Pedro Ciruelo
- Alexis-Claude Clairaut
- Samuel Clarke
- Thomas Clausen
- Christoph Clavius
- Rudolf Friedrich Alfred Clebsch
- William Kingdon Clifford
- William Gemmell Cochran
- Delfino Codazzi
- Frank Nelson Cole
- John Collins
- Federico Commandino
- Isidore Auguste Marie François Xavier Comte
- Marie-Jean-Antoine- Nicolas Caritat Condorcet
- Conon of Samos
- Julian Lowell Coolidge
- Eugène Maurice Pierre Cosserat
- Roger Cotes
- Antoine-Augustin Cournot
- Louis Couturat
- John Craig
- Gabriel Cramer
- August Leopold Crelle
- Antonio Luigi Gaudenzio Giuseppe Cremona
- Jean-Pierre de Crousaz
- José Anastácio da Cunha
- E. L. W. Maximilian Curtze
- Nicholas von Cusa
- Germinal Pierre Dandelin
- Egnatio Danti
- David van Dantzig
- Jean-Gaston Darboux
- Patrick D'Arcy
- Charles Galton Darwin
- George Howard Darwin
- Cunradus Dasypodius
- Harold Davenport
- August Yulevich Davidov
- Florimond Debeaune
- Claude François Milliet Dechales
- Richard Dedekind
- John Dee
- Johannes De Groot
- Max Dehn
- Richard Delamain
- Jean Frédéric Auguste Delsarte
- Democritus
- Augustus De Morgan
- Arnaud Denjoy
- Antoine Deparcieux
- Girard Desargues
- René du Perron Descartes
- Leonard Eugene Dickson
- Samuel Dickstein
- Leonard Digges
- Thomas Digges
- Ulisse Dini
- Dinostratus
- Diocles
- Achille-Pierre Dionis du Séjour
- Dionysodorus
- Diophantus of Alexandria
- Gustav Peter Lejeune Dirichlet
- Charles Lutwidge Dodgson
- Dominicus de Dominicus de Clavasio
- Domninus of Larissa
- Johann Gabriel Doppelmayr
- Johann Christian Doppler
- Dositheus
- Jesse Douglas
- Jules Joseph Drach
- Paul David Gustav Du Bois–Reymond
- Andreas Dudith
- Jean-Marie-Constant Duhamel
- Pierre-Charles-François Dupin
- Athanase Louis Victoire Dupré
- Albrecht Dürer
- Walther Franz Anton von Dyck
- Dimitrii Fedorovich Egorov
- Charles Ehresmann
- Luther Pfahler Eisenhart
- Ferdinand Gotthold Max Eisenstein
- Friedrich Engel
- Federigo Enriques
- Eratosthenes
- Arthur Erdélyi
- Ernest Benjamin Esclangon
- Euclid
- Eudoxus of Cnidus
- Leonhard Euler
- Eutocius of Ascalon
- Griffith Conrad Evans
- Abraham Ben Meir ibn Ezra
- Honoré Fabri
- Giovanni Francesco Fagnano dei Toschi
- Giulio Carlo Fagnano dei Toschi
- Gino Fano
- John Farrar
- Pierre Joseph Louis Fatou
- Johann Faulhaber
- Georg Feigl
- Lipót Fejér
- William Feller
- Pierre de Fermat
- Ludovico Ferrari
- William Ferrel
- Scipione dal Ferro
- Karl Wilhelm Feuerbach
- Leonardo Fibonacci
- John Charles Fields
- Henry Burchard Fine
- Oronce Fine
- Thomas Fink
- Ronald Aylmer Fisher
- Alexis Fontaine
- Bernard Le Bouyer de Fontenelle
- Andrew Russell Forsyth
- Jean-Baptiste-Joseph Fourier
- Adolf Abraham Fraenkel
- François Français
- Jacques Frédéric Français
- Piero della Francesca
- Philipp Frank
- René Maurice Fréchet
- Ivar Fredholm
- Friedrich Ludwig Gottlob Frege
- Jean-Frédéric Frenet
- Bernard Frenicle De Bessy
- Aleksandr Aleksandrovich Friedman
- Jakob Friedrich Fries
- Paolo Frisi
- Georg Ferdinand Frobenius
- Guido Fubini
- Immanuel Lazarus Fuchs
- Karl Rudolf Fueter
- Nicolaus Fuss
- Evgraf Stepanovich Fyodorov
- Boris Grigorievich Galerkin
- Evariste Galois
- Francis Galton
- Carl Friedrich Gauss
- Karl Friedrich Geiser
- Alexandr Osipovich Gelfond
- Henry Gellibrand
- Geminus
- Reiner Gemma Frisius
- Gerhard Gentzen
- Gerard of Brussels
- Gerbert d' Gerbert
- Joseph Diaz Gergonne
- Sophie Germain
- Marino Ghetaldi
- Giovanni Giorgi
- Albert Girard
- James Whitbread Lee Glaisher
- Kurt Friedrich Gödel
- Christian Goldbach
- Benjamin Gompertz
- Adolph Göpel
- Paul Albert Gordan
- William Sealy Gosset
- Édouard Jean-Baptiste Goursat
- Karl Heinrich Gräffe
- Guido Grandi
- Hermann Günther Grassmann
- John Graunt
- Dmitry Aleksandrovich Grave
- Willem Jacob 's Gravesande
- George Green
- David Gregory
- Duncan Farquharson Gregory
- James Gregory
- Olinthus Gilbert Gregory
- Marcel Grossmann
- Jean Paul Gua de Malves
- Giovanni Battista Guccia
- Christoph Gudermann
- Adam Wilhelm Siegmund Guenther
- Paul Guldin
- Allvar Gullstrand
- Edmund Gunter
- Alfréd Haar
- A?mad ibn ?Abdallah al-Marwazi ?abash al-?asib
- Jean Nicolas Pierre Hachette
- Jacques Hadamard
- Georges-Henri Halphen
- George Bruce Halsted
- William Rowan Hamilton
- Hermann Hankel
- Claude Hardy
- Godfrey Harold Hardy
- Harish-Chandra
- Thomas Harriot
- Georg Hartmann
- Johannes Hartmann
- Douglas Rayner Hartree
- Helmut Hasse
- Felix Hausdorff
- Abu ?Ali al-?asan ibn al-?asan ibn al-Haytham
- Thomas Little Heath
- Daniel Friedrich Hecht
- Erich Hecke
- Hans Arnold Heilbronn
- Heinrich Eduard Heine
- Ernst Hellinger
- Eduard Helly
- Denis Henrion
- Kurt Hensel
- Jacques Herbrand
- Pierre Hérigone
- Jakob Hermann
- Hermann the Lame
- Charles Hermite
- Hero of Alexandria
- Ludwig Otto Hesse
- Hendrik van Heuraet
- Arend Heyting
- David Hilbert
- George William Hill
- Lester Sanders Hill
- Carl Friedrich Hindenburg
- Hipparchus
- Hippias of Elis
- Hippocrates of Chios
- Thomas Hobbes
- Ernest William Hobson
- William Vallance Douglas Hodge
- Eaton Hodgkinson
- Józef Maria Hoëné-Wronski
- Otto Ludwig Hölder
- Bernt Michael Holmboe
- Heinz Hopf
- William Hopkins
- William George Horner
- Guillaume-Jules Hoüel
- Jan Hudde
- Hugh of St. Victor
- Marie-Georges Humbert
- Pierre Humbert
- Edward Vermilye Huntington
- Witold Hurewicz
- Adolf Hurwitz
- Charles Hutton
- Christiaan Huygens
- Hypatia
- Hypsicles of Alexandria
- Ibrahim ibn Sinan ibn Thabit ibn Qurra
- Isidorus of Miletus
- James Ivory
- Abu Mu?ammad Jabir ibn Afla? al-Ishbili
- Carl Gustav Jacob Jacobi
- Jagannatha
- Zygmunt Janiszewski
- al-?Abbas ibn Sa?id al-Jawhari
- Abu ?Abd Allah Mu?ammad ibn Mu?adh al-Jayyani
- Johan Ludvig William Valdemar Jensen
- George Birch Jerrard
- Ferdinand Joachimsthal
- John of Gmunden
- Johannes de John of Lignères
- John of Murs
- William Jones
- Ernest Jean Philippe Fauque de Jonquières
- Camille Jordan
- Jordanus de Nemore
- Sophus Christian Juel
- Joachim Jungius
- Abraham Gotthelf Kaestner
- Benjamin Fedorovich Kagan
- László Kalmár
- Theodor Franz Eduard Kaluza
- Kamal al-Din Abu'l ?asan Mu?ammad ibn al-?asan al-Farisi
- Abu Bakr ibn Mu?ammad ibn al ?usayn al-Karaji
- Ghiyath al-Din Jamshid Mas?ud al-Kashi
- Bartholomew Keckermann
- John Keill
- Béla Kerékjártó
- John Maynard Keynes
- Shams al-Din Abu ?Abdallah Mu?ammad ibn Mu?ammad al-Khalili
- Ghiyath al-Din Abu'l- Fath ?Umar ibn Ibrahim al-Nisa-Buri al-Khayyami
- Abu Ja?far Muhammad ibn al-?asan al-Khurasani al-Khazin
- Aleksandr Yakovlevich Khinchin
- Abu Ma?mud ?amid ibn al-Khi?r al-Khujandi
- Abu Ja?far Mu?ammad ibn Musa al-Khwarizmi
- Thomas Penyngton Kirkman
- Christian Felix Klein
- Georg Simon Klügel
- Adolf Kneser
- Konrad Knopp
- Jacob Köbel
- Helge von Koch
- Nikolai Yevgrafovich Kochin
- Paul Koebe
- Johann Samuel Koenig
- Julius Koenig
- Gabriel Koenigs
- Gury Vasilievich Kolosov
- Leo Königsberger
- Diederik Johannes Korteweg
- Aleksandr Petrovich Kotelnikov
- Sonya Kovalevsky
- Jens Kraft
- Chrétien Kramp
- Theodosy Nicolaevich Krasovsky
- Leopold Kronecker
- Wolfgang Krull
- Aleksei Nikolaevich Krylov
- Nikolai Mitrofanovich Krylov
- Ernst Eduard Kummer
- Kazimierz Kuratowski
- József Kürschák
- Abu' L-?asan al-Jili Kushyar ibn Labban ibn Bashahri
- Charles-Marie de La Condamine
- Sylvestre François Lacroix
- Charles de La Faille
- Thomas Fantet de Lagny
- Joseph Louis Lagrange
- Edmond Nicolas Laguerre
- Philippe de La Hire
- Antoine de Lalouvère
- Horace Lamb
- Johann Heinrich Lambert
- Gabriel Lamé
- Bernard Lamy
- Michel Ange Lancret
- Edmund Landau
- John Landen
- Georg Landsberg
- Philip van Lansberge
- Pierre-Simon Marquis de Laplace
- Estienne de La Roche
- Matthieu Paul Hermann Laurent
- Pierre Alphonse Laurent
- João Baptista Lavanha
- Gaspar Lax
- Henri Léon Lebesgue
- Solomon Lefschetz
- Adrien-Marie Legendre
- Gottfried Wilhelm Leibniz
- Émile Michel Hyacinthe Lemoine
- Leo
- Leo the Mathematician
- Leodamas of Thasos
- Leonardo da Vinci
- Constantin Le Paige
- Jacques-François Le Poivre
- Mathias Lerch
- Édouard Le Roy
- Stanislaw Lesniewski
- Jacques-Alexandre Le Tenneur
- Jean Leurechon
- Levi Ben Gerson
- Tullio Levi-Civita
- Norman Levinson
- Maurice Lévy
- Anders Johan Lexell
- Guillaume-François- Antoine de L'Hospital
- Simon-Antoine-Jean L'Huillier
- Li Chih
- Marius Sophus Lie
- Ernst Leonhard Lindelöf
- Carl Louis Ferdinand Lindemann
- Iurii Vladimirovich Linnik
- Joseph Liouville
- Rudolf Otto Sigismund Lipschitz
- John Edensor Littlewood
- Liu Hui
- Nikolai Ivanovich Lobachevsky
- Charles Loewner
- Alfred Loewy
- Elias Loomis
- Gino Loria
- Alfred James Lotka
- Augustus Edward Hough Love
- Leopold Löwenheim
- François-Édouard- Anatole Lucas
- Jakob Lueroth
- Jan Lukasiewicz
- Nikolai Nikolaievich Luzin
- Aleksandr Mikhailovich Lyapunov
- Francis Sowerby Macaulay
- Hugh McColl
- Colin Maclaurin
- Percy Alexander MacMahon
- William Duncan Macmillan
- Giovanni Antonio Magini
- Leonty Filippovich Magnitsky
- Abu ?Abd Allah Mu?ammad ibn ?Isa al-Mahani
- Mahavira
- John Maior
- Gian Francesco Malfatti
- Anatoly Ivanovich Maltsev
- Victor Mayer Amédée Mannheim
- Paul Mansion
- Abu Na?r Man?ur ibn ?Ali ibn ?Iraq
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- Michael Neander
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- Pietro d' Abano
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- Nello Beccari
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- Mathias Marie Duval
- Joseph-Guichard Duverney
- Iustin Evdokimovich Dyadkovsky
- Johann Gottfried Ebel
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- David Edwardes
- Antonio Caetano de Abreu Freire Egas Moniz
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- Erasistratus
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- Niels Ryberg Finsen
- Asa Fitch
- Paul Emil Flechsig
- Walther Flemming
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- Felice Fontana
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- John Farquhar Fulton
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- Galen
- Franz Joseph Gall
- Luigi Galvani
- Thomas Garnett
- Prosper Garnot
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- Frederick Parker Gay
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- Adolf Ferdinand Gehlen
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- Étienne François Geoffroy
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- John Gerard
- Marcus Gerbezius
- Konrad Gesner
- Martino Ghisi
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- Christoph Girtanner
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- Friedrich Leopold Goltz
- Edwin Stephen Goodrich
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- Canis Hundt
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- Jan Ingen-Housz
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- Isaac Israeli
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- Abu Ya?qub Is?aq ibn ?unayn
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- William Lawrence
- Claude-Nicolas Le Cat
- Anatole Félix Le Double
- Nicaise Le Febvre
- Johann Gottlob Lehmann
- Louis Lemery
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- Leonardo da Vinci
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- Solomon Grigorevich Levit
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- Thomas Lewis
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- Franz von Leydig
- Andreas Libavius
- Eduardo Liceaga
- Johannes Nathanael Lieberkühn
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- Carl Linnaeus
- hao P'in-hu Li Shih-Chen
- Joseph Lister
- John Uri Lloyd
- Leo Loeb
- Friedrich August Johannes Loeffler
- Otto Loewi
- Cyril Norman Hugh Long
- Anne Charles Lorry
- Richard Lower
- Emerico Luna
- Amatus Lusitanus
- Graham Lusk
- Alessandro Lustig
- David Macbride
- Clarence Erwin McClung
- Elmer Verner McCollum
- Colin Munro MacLeod
- Cesare Magati
- François Magendie
- Bartolomeo Maggi
- Johann Chrysostom Magnenus
- Rudolf Magnus
- Adolf Magnus-Levy
- Rabbi Moses Ben Maimon Maimonides
- Abu'l-?asan ?Ali ibn ?Abbas al-Majusi
- Franklin Paine Mall
- Paul-Jacques Malouin
- Marcello Malpighi
- Giovanni Manardo
- Patrick Manson
- Paolo Mantegazza
- Vittorio Marchi
- Ettore Marchiafava
- Johannes Marcus Marci of Kronland
- Pierre Marie
- Giovanni Marliani
- John Richardson Marrack
- Charles James Martin
- Crisóstomo Martínez
- Martin van Marum
- Paolo Mascagni
- Niccolo Massa
- Pietro Andrea Gregorio Mattioli
- Herbert Mayo
- Johann Friedrich Meckel
- Georg Meissner
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- Samuel James Meltzer
- Egidio Meneghetti
- Vincenzo Antonio Menghini
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- Michele Mercati
- Jean Méry
- Franz Anton Mesmer
- Félix Mesnil
- Elie Metchnikoff
- Famiano Michelini
- Thomas Millington
- Auguste-Nicolas-Eugène Millon
- Oskar Minkowski
- Charles Sedgwick Minot
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- Silas Weir Mitchell
- Thomas Moffett
- Jacob Moleschott
- Nicolás Bautista Monardes
- Mondino de'Luzzi
- Alexander (1697–1767) Monro
- Alexander (1733–1817) Monro
- Giovanni Battista Morgagni
- Domenico Lino Morichini
- Jean-Baptiste Morin
- William Lorenzo Moss
- James Cecil Mottram
- Johannes Peter Müller
- ?Ala? al-Din Abu 'L-?asan ?Ali ibn Abi ?L-?azm al-Qurashi ibn al-Nafis
- Michael Neander
- Adelchi Negri
- Albert Ludwig Sigesmund Neisser
- Nemesius
- Otto Neubauer
- Charles Jules Henri Nicolle
- Agostino Nifo
- Franz Nissl
- Michael de Nostradamus
- Fredrik Nylander
- Ruggero Oddi
- Heinrich Wilhelm Matthias Olbers
- Oribasius
- Garcia d' Orta
- Winthrop John Vanleuven Osterhout
- Corneille Antoine Jean Abram Oudemans
- Charles Ernest Overton
- Richard Owen
- Antonio Pacchioni
- Filippo Pacini
- Christian Heinrich Pander
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- Theophrastus Philippus Aureolus Bombastus von Hohenheim Paracelsus
- Ambroise Paré
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- Antoine-Augustin Parmentier
- Louis Pasteur
- Paul of Aegina
- Simon Paulli
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- Cornelis Adrianus Pekelharing
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- Antonio Pensa
- Claude Perrault
- Edoardo Perroncito
- Jacques Personne
- Max Josef von Pettenkofer
- Albert Pezard
- Philinus of Cos
- Alexander Philips Wilson Philip
- Philolaus of Crotona
- Giuseppe Pianese
- Arcangelo Piccolomini
- Gregory Goodwin Pincus
- Philippe Pinel
- Tomé Pires
- Nikolay Ivanovich Pirogov
- Willem Piso
- Archibald Pitcairn
- Félix Platter
- Marcus Antonius Plencic
- Andrew Plummer
- Antoine-Baudoin Poggiale
- Aloys Pollender
- Luigi Porta
- Antoine Portal
- François Pourfour du Petit
- Frederick Belding Power
- Praxagoras of Cos
- Jean-Louis Prevost
- John Gillies Priestley
- John Pringle
- Georgius Procháska
- Stanislaus von Lanov Prowazek
- Theophil Mitchell Prudden
- Franz Ignace Pruner Bey
- Jean- Louis-Armand de Quatrefages de Bréau
- Amin al-Dawlah Abu al-Faraj ibn Muwaffaq al-Din Ya?Qub ibn Is?aq al-Masihi al-Karaki ibn al-Quff
- Qus?a ibn Luqa al-Ba?labakki
- Qu?b al-Din al-Shirazi
- François Rabelais
- Cari Rabl
- Chandrasekhara Venkata Raman
- Gaston Ramon
- Santiago Ramón y Cajal
- François-Vincent Raspail
- Martin Heinrich Rathke
- Abu Bakr Mu?ammad ibn Zakariyya al-Razi
- Francesco Redi
- Walter Reed
- Johann Christian Reil
- Robert Remak
- Joseph-Louis Renaut
- Anders Adolf Retzius
- Magnus Gustaf Retzius
- Alfred Newton Richards
- Benjamin Ward Richardson
- Howard Taylor Ricketts
- Oscar Riddle
- Abu'l-?asan ?Ali ibn ?Ali ibn Ja?afar al-Mi?ri ibn Ri?wan
- Tommaso Rima
- Sydney Ringer
- Pío del Río-Hortega
- Jean Riolan
- Scipione Riva-Rocci
- Pierre-Jean Robiquet
- Luigi Rolando
- Guerner Rolfinck
- George Rolleston
- Joseph-Pierre-Martin Rollet
- Guillaume Rondelet
- Adriaan van Roomen
- Arturo Rosenblueth
- Ronald Ross
- Roger James Rossiter
- Léon Louis Rostan
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- Max Rubner
- Olof Rudbeck
- Karl Asmund Rudolphi
- Jean Ruel
- Paolo Ruffini
- Giordano Ruffo
- Rufinus
- Rufus of Ephesus
- Carlo Ruini
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- Girolamo Ruscelli
- Benjamin Rush
- Abu'l-Walid Mu?ammad ibn A?mad ibn Mu?ammad ibn Rushd
- Frederik Ruysch
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- Salernitan Anatomists
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- Najib al-Din Abu ?amid Mu?ammad ibn ?Ali ibn ?Umar al-Samarqandi
- Ibn Ya?ya al-Maghribi al-Samaw?al
- Aleksandr Filippovich Samoylov
- Giuseppe Sanarelli
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- Max Johann Sigismund Schultze
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- Sextus Empiricus
- William Sharpey
- Philip MacDonald Sheppard
- Charles Scott Sherrington
- Carl Theodor Ernst von Siebold
- Michal Siedlecki
- Joseph- Aignan Sigaud de Lafond
- Abu ?Ali al-?usayn ibn ?Abdallah ibn Sina
- Abu Sa?id Sinan ibn Thabit ibn Qurra
- Josef Škoda
- Konstantin Ivanovich Skryabin
- Sir Hans Sloane
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- Philip Edward Smith
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- Soranus of Ephesus
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- Johann Christoph Spurzheim
- Georg Ernst Stahl
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- Harry Steenbock
- Niels Stensen
- Edward Stevens
- Nettie Maria Stevens
- Charles Wardell Stiles
- Józef Struss
- Alexander Suchten
- Karl Friedrich Jakob Sudhoff
- Walter Stanborough Sutton
- Gerard van Swieten
- Thomas Sydenham
- Franciscus Dele Boë Sylvius
- Abu'l-?asan A?mad ibn Mu?ammad al-?abari
- Abu'l-?asan ?Ali ibn Sahl Rabban al-?abari
- John Tabor
- Otto Tachenius
- Ludwik Karol Teichmann
- Willem Ten Rhyne
- Jean Léo Testut
- al-?abi? al-?arrani Thabit ibn Qurra
- William Sydney Thayer
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- Friedrich Tiedemann
- Amin al-Dawla Abu'l- ?asan Hibat Allah ibn ?a?id ibn al-Tilmidh
- Marcantonio della Torre
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- Joseph Pitton de Tournefort
- Joseph Townsend
- Michele Troja
- Johann Bartholomäus Trommsdorff
- Giovanni Trulli
- Abu Bakr Mu?ammad ibn ?ufayl
- Nicholaas Tulp
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- William (1508–1568) Turner
- William (1832–1916) Turner
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- Philipp Ulstad
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- Giulio Vassale
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- Gabriel François Venel
- Ernest Basil Verney
- Andreas Vesalius
- Johann Vesling
- Félix Vicq d'Azyr
- Raymond Vieussens
- John Francis Vigani
- Giovanni da Vigo
- Rudolf Carl Virchow
- Carl Vogt
- Heinrich Wilhelm Ferdinand Wackenroder
- Abu al-Mu?arrif ?Abd al-Ra?man ibn Wafid
- Rudolph Wagner
- Julius Wagner von Jauregg
- Abu Bakr A?mad ibn ?Ali ibn al-Mukhtar ibn Wa?shiyya
- Selman Abraham Waksman
- Wilhelm von Waldeyer-Hartz
- Augustus Volney Waller
- August Paul von Wassermann
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- Robert Whytt
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- Samuel Wendell Williston
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- Edward Wotton
- Almroth Edward Wright
- Hsien Wu
- Jeffries Wyman
- Alexandre Yersin
- Abu'l-Qasim Khalaf ibn ?Abbas al-Zahrawi
- Adam Zalužanský Ze Zalužan
- Giuseppe Zambeccari
- Hans Zinsser
- Abu Marwan ?Abd al-Malik ibn Abi'l-?Ala? ibn Zuhr
- Johann Zwelfer
?
- Pierre Abailard
- Pietro d' Abano
- Hibat Allah Abu'l-Barakāt al-Baghdādī
- Jaʿfar ibn Muḥammad Abū Maʿshar al-Balkhī
- Michel Adanson
- Izrail' Iosifovich Agol
- Heinrich Cornelius von Agrippa
- Pierre d' Ailly
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- Albert of Saxony
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- Alexander of Aphrodisias
- Johann Heinrich Alsted
- William Ames
- Son of Hermias Ammonius
- Anatolius of Alexandria
- Anaxagoras
- Anaximander
- Anaximenes of Miletus
- Johann Valentin Andreae
- Ernst Friedrich Apelt
- Saint Thomas Aquinas
- Archytas of Tarentum
- Andrea Argoli
- Saint Aurelius Augustine of Hippo
- Gaston Bachelard
- Francis Bacon
- Roger Bacon
- Alexander Bain
- Abū Bakr Muḥammad ibn Yaḥyā ibn al-ṢāʾIgh ibn Bājja
- Giovanni Antonio Baranzano
- Caspar Bartholin
- Sebastian Basso
- the Venerable Bede
- Robert Bellarmine
- Henri-Louis Bergson
- Claude Guillermet de Bérigard
- George Berkeley
- Bernardus Bernard of Chartres
- Bernard of Le Treille
- Bernard de Bernard Silvestre
- Czesław Białobrzeski
- Alexander William Bickerton
- Johann Heinrich Bisterfeld
- Abū Isḥāq al-Biṭrūjī al-Ishbīlī
- Blasius of Parma
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- Nicolas-Antoine Boullanger
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- Robert Boyle
- Thomas Bradwardine
- Alexander Carl Heinrich Braun
- Percy Williams Bridgman
- Giordano Bruno
- Léon Brunschvicg
- Friedrich Karl Christian Ludwig Büchner
- Francesco Buonamici
- Frank Burgersdijk
- Jean Buridan
- Walter Burley
- Pierre-Jean-Georges Cabanis
- Calcidius
- Tommaso Campanella
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- Paul Carus
- Ernst Alfred Cassirer
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- Walter Charleton
- George Cheyne
- Leon Chwistek
- Pedro Ciruelo
- Samuel Clarke
- Morris Raphael Cohen
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- Étienne Bonnot Abbé de Condillac
- Luis Nuñez Coronel
- Antoine-Augustin Cournot
- Louis Couturat
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- Ralph Cudworth
- Nicholas von Cusa
- David van Dantzig
- Jean André Deluc
- William Derham
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- Charles Lutwidge Dodgson
- Dominicus de Dominicus de Clavasio
- Domninus of Larissa
- Georg Samuel Dörffel
- Dorotheus of Sidon
- Hans Adolf Eduard Driesch
- Andreas Dudith
- Pierre-Maurice-Marie Duhem
- Jean Dullaert of Ghent
- John Duns Scotus
- Albrecht Dürer
- Iustin Evdokimovich Dyadkovsky
- Empedocles of Acragas
- Friedrich Engels
- Federigo Enriques
- Epicurus
- Thomas Erastus
- Johannes Scottus Eriugena
- Léo-Abram Errera
- Eudemus of Rhodes
- Honoré Fabri
- Abū Naṣr Muḥammad ibn Muḥammad ibn Ṭarkhan ibn Awzalagh al-Fārābī
- Firmicus Maternus
- Georg Adam Forster
- Johann Reinhold Forster
- Girolamo Fracastoro
- Francis of Marchia
- Francis of Meyronnes
- Sebastian Franck
- Philipp Frank
- Friedrich Ludwig Gottlob Frege
- Jakob Friedrich Fries
- Thomas Garnett
- Pierre Gassendi
- Gerhard Gentzen
- Giles of Lessines
- Joseph Glanvill
- Francis Glisson
- Willem Jacob 's Gravesande
- George Green
- Isaac Greenwood
- Federico de Grisogono
- Robert Grosseteste
- Dominicus Gundissalinus
- Richard Burdon Haldane
- William Hamilton
- John Harris
- Hermann von Helmholtz
- Johannes Helmont
- Heraclitus of Ephesus
- Johann Friedrich Herbart
- Jacques Herbrand
- Hermes Trismegistus
- William Heytesbury
- Arend Heyting
- Ibn Hibintā
- Hippias of Elis
- Thomas Hobbes
- Józef Maria Hoëné-Wroński
- Paul Henri Thiry Holbach
- David Hume
- Abū Zayd Ḥunayn ibn Isḥāq al-ʿIbādī
- James Hutton
- Hypatia
- Iamblichus
- Isaac Israeli
- William James
- James of Venice
- William Stanley Jevons
- Johannes Lauratius de Fundis
- John of Dumbleton
- John of Gmunden
- John Philoponus
- William Ernest Johnson
- Joachim Jungius
- László Kalmár
- Immanuel Kant
- Ghiyāth al-Dīn Abu'l- Fath ʿUmar ibn Ibrāhīm al-Nīsā-Būrī al-Khayyāmī
- Heinrich Khunrath
- Abū Yūsuf Yaʿqūb ibn Isḥāq al-Ṣabbāḥ al-Kindī
- Cargill Gilston Knott
- Jens Kraft
- Johann Heinrich Lambert
- Jean-Claude de Lamétherie
- Julien Offray de La Mettrie
- Guillaume Lamy
- Gaspar Lax
- Gottfried Wilhelm Leibniz
- Vladimir Ilyich Lenin
- Édouard Le Roy
- John Leslie
- Stanislaw Leśniewski
- Leucippus
- Levi Ben Gerson
- Andreas Libavius
- John Locke
- Hermann Rudolph Lotze
- Arthur Oncken Lovejoy
- Lucretius
- Ambrosius Theodosius Macrobius
- Johann Chrysostom Magnenus
- Rabbi Moses Ben Maimon Maimonides
- John Maior
- Nicolas Malebranche
- Marcus Manilius
- Paul Mansion
- Marinus
- Marsilius of Inghen de
- Benjamin Martin
- Martin van Marum
- Karl Marx
- Māshāʾallāh
- Marin Mersenne
- Hélène Metzger
- Émile Meyerson
- Michael Scot
- Gaston Milhaud
- John Stuart Mill
- William Of Guillelmus de Moerbeke
- Charles-Louis de Secondat Montesquieu
- Edmund Duncan Montgomery
- Henry More
- Conwy Lloyd Morgan
- Jean-Baptiste Morin
- Muḥyi 'L-Dīn al-maghribī
- Isaac Newton
- Bernard Nieuwentijt
- Agostino Nifo
- Michael de Nostradamus
- William of Ockham
- Lorenz Oken
- Nicole Oresme
- Andreas Osiander
- William Paley
- Theophrastus Philippus Aureolus Bombastus von Hohenheim Paracelsus
- Parmenides of Elea
- Blaise Pascal
- Francesco Patrizi
- Paul of Alexandria
- Paul of Venice
- Giuseppe Peano
- Charles Sanders Peirce
- Benedictus Pereira
- Pseudo- Petosiris
- Philolaus of Crotona
- Plato
- Plato of Tivoli
- Plotinus
- Mihály Polányi
- Pierre Polinière
- Pietro Pomponazzi
- Giambattista Della Porta
- Posidonius
- Emil Leon Post
- Isaac-Bénédict Prévost
- Pierre Prevost
- Joseph Priestley
- Proclus
- Michael Psellus
- Pythagoras of Samos
- Abū al-Ṣaqr ʿAbd al-ʿAzīz ibn ʿUthmān ibn ʿAlī al-Qabīṣī
- Amīn al-Dawlah Abū al-Faraj ibn Muwaffaq al-Dīn YaʿQūb ibn Isḥāq al-Masīhī al-Karakī ibn al-Quff
- Quṭb al-Dīn al-Shīrāzī
- Emanuel Rádl
- Peter Ramus
- Abū Bakr Muḥammad ibn Zakariyyā al-Rāzī
- Hans Reichenbach
- Abel Rey
- David Rittenhouse
- Jean-Baptiste René Robinet
- Abraham Robinson
- Roger of Hereford
- Jacques Rohault
- Lawrence Rooke
- John Rowning
- Paolo Ruffini
- Abu'l-Walīd Muḥammad ibn Aḥmad ibn Muḥammad ibn Rushd
- Armand Sabatier
- Shams al-Dīn Muḥammad ibn Ashraf al-Ḥusaynī al-Samarqandī
- Francisco Sanchez
- Paolo Sarpi
- Leonard Jimmie Savage
- Julius Caesar Scaliger
- Jakob Schegk
- Frederick Wilhelm Joseph von Schelling
- Wilhelm Schickard
- Friedrich Albert Schlick
- Michael Servetus
- Sextus Empiricus
- Anania Shirakatsí
- Tadao Shizuki
- Siger of Brabant
- Abū Saʿīd Aḥmad ibn Muḥammad ibn ʿAbd al-Jalīl al-Sijzī
- Simon de Phares
- Simplicius
- Abū ʿAlī al-Ḥusayn ibn ʿAbdallāh ibn Sīnā
- Domingo de Soto
- Herbert Spencer
- Speusippus
- Sphujidhvaja
- Śrīpati
- Johann Bernhard Stallo
- Stephanus of Alexandria
- Matthew Stewart
- Michael Stifel
- Strato of Lampsacus
- Emanuel Swedenborg
- Richard Swineshead
- Abu'l-Ḥasan Aḥmad ibn Muḥammad al-Ṭabarī
- Abu'l-Ḥasan ʿAlī ibn Sahl Rabbān al-Ṭabarī
- Bernardino Telesio
- al-Ṣābiʾ al-Ḥarrānī Thābit ibn Qurra
- Thales
- Themistius
- Theophrastus
- Melchisédech Thévenot
- Thierry of Chartres
- Thomas Thomas of Cantimpré
- Moses Ben Samuel ibn Tibbon
- Alexander Tilloch
- Amīn al-Dawla Abu'l- Ḥasan Hibat Allāh ibn Ṣaʿīd ibn al-Tilmīdh
- Richard Towneley
- Ehrenfried Walther Tschirnhaus
- Abū Bakr Muḥammad ibn Ṭufayl
- Cuthbert Tunstall
- Anne-Robert-Jacques Turgot
- Muḥammad ibn Muḥammad ibn al-Ḥasan al-Ṭūsī
- John Tyndall
- Ulrich of Strasbourg
- ʿUmar ibn al-Farrukhān al-Ṭabarī
- Giovanni Vailati
- Giulio Cesare Vanini
- Varāhamihira
- John Venn
- Julien-Joseph Virey
- Juan Luis Vives
- Paul Oskar Eduard Volkmann
- Vito Volterra
- Abū Bakr Aḥmad ibn ʿAlī ibn al-Mukhtār ibn Waḥshiyya
- Johann Ernst Immanuel Walch
- Valentin Weigel
- William Charles Wells
- Richard Whately
- William Whewell
- Thomas White
- Alfred North Whitehead
- Edmund Taylor Whittaker
- Wilhelm Carl Werner Otto Fritz Franz Wien
- Ludwig Christian Wiener
- John Wilkins
- William of Auvergne
- William of Sherwood
- William the Englishman
- John Winthrop
- Witelo
- Ludwig Wittgenstein
- Christian Wolff
- Xenocrates of Chalcedon
- Xenophanes
- Yavaneśvara
- Thomas Young
- Jacopo Zabarella
- Abraham Bar Samuel Bar Abraham Zacuto
- Zeno of Citium
- Zeno of Elea
- Zeno of Sidon
?
- Ernst Abbe
- Max Abraham
- Hibat Allah Abu'l-Barakāt al-Baghdādī
- Franz Karl Achard
- Leason Heberling Adams
- Walter Sydney Adams
- Franz Ulrich Theodosius Aepinus
- François d' Aguilon
- Albert of Saxony
- Leone Battista Alberti
- Giovanni Aldini
- Jean Le Rond d' Alembert
- Abram Isaakovich Alikhanov
- Samuel King Allison
- Émile Amagat
- Joseph Sweetman Ames
- Giovan Battista Amici
- Guillaume Amontons
- André-Marie Ampère
- Nikolai Nikolaevich Andreev
- Aleksandr Aleksandrovich Andronov
- Stefano Degli Angeli
- Anders Jonas Ångström
- Paul Appell
- Edward Victor Appleton
- Dominique François Jean Arago
- Archytas of Tarentum
- Aristotle
- Aristoxenus
- Vladimir Konstantinovich Arkadiev
- Harold De Forest Arnold
- Svante August Arrhenius
- Lev Andreevich Artsimovich
- William Thomas Astbury
- Francis William Aston
- George Atwood
- Louis Winslow Austin
- Adrien Auzout
- Amedeo Avogadro
- Jacques Babinet
- Alexander Dallas Bache
- Ernst E. A. Back
- Roger Bacon
- Richard McLean Badger
- Francis Baily
- Giovanni Battista Baliani
- Johann Jakob Balmer
- Heinrich Georg Barkhausen
- Charles Glover Barkla
- Peter Barlow
- William Barlow
- Howard Turner Barnes
- Isaac Barrow
- Julius Bartels
- Erasmus Bartholin
- Daniello Bartoli
- Carl Barus
- Harry Bateman
- Leslie Fleetwood Bates
- Edmond Bauer
- Louis Agricola Bauer
- Giambatista Beccaria
- Alexandre-Edmond Becquerel
- Antoine-César Becquerel
- Henri Becquerel
- Jean Antoine Edmond Marie Becquerel
- Isaac Beeckman
- Angelo Bellani
- Aristarkh Apollonovich Belopolsky
- Nikolai Vasil'evich Belov
- Giovanni Battista Benedetti
- Justin-Mirande René Benoit
- Johann Friedrich Benzenberg
- Hans Berger
- Torbern Olof Bergman
- Claude Guillermet de Bérigard
- Lloyd Viel Berkner
- John Desmond Bernal
- Daniel Bernoulli
- Pierre Bertholon
- Gasparo Berti
- Augustin de Betancourt y Molina
- Homi Jehangir Bhabha
- Czesław Białobrzeski
- Jean-Baptiste Biot
- John Bird
- Raymond Thayer Birge
- Carl Anton Bjerknes
- Vilhelm Frimann Koren Bjerknes
- Niels Janniksen Bjerrum
- Joseph Black
- André Eugène Blondel
- René-Prosper Blondlot
- Anicius Manlius Severinus Boethius
- Niels Henrik David Bohr
- Bertram Borden Boltwood
- Ludwig Boltzmann
- Jean-Charles Borda
- Giovanni Alfonso Borelli
- Max Born
- Georg Matthias Bose
- Jagadischandra Bose
- Satyendranath Bose
- Rudjer J. Bošković
- Walther Wilhelm Georg Bothe
- Pierre Bouguer
- Louis Bourguet
- Joseph Valentin Boussinesq
- Ira Sprague Bowen
- Robert Boyle
- Charles Vernon Boys
- de Witt Bristol Brace
- Sir William Lawrence Bragg
- William Henry Bragg
- Heinrich Wilhelm Brandes
- John Alfred Brashear
- Ferdinand Braun
- Auguste Bravais
- David Brewster
- Percy Williams Bridgman
- Lyman James Briggs
- Léon Nicolas Brillouin
- Marcel Louis Brillouin
- Charles Auguste Briot
- Mathurin-Jacques Brisson
- Louis-César-Victor- Maurice de Broglie
- Alfred Heinrich Bucherer
- Edgar Buckingham
- Edward Crisp Bullard
- Keith Edward Bullen
- Paolo del Buono
- Jacques Buot
- Herman Carel Burger
- Jean Buridan
- Niccolo Cabeo
- Blas Cabrera
- Charles Cagniard de la Tour
- Louis Paul Cailletet
- Nicholas Callan
- Hugh Longbourne Callendar
- Angus Ewan Cameron
- Norman Robert Campbell
- John Canton
- Arnould Carangeot
- Girolamo Cardano
- Anthony Carlisle
- Nicolas Léonard Sadi Carnot
- Cassegrain
- Louis-Bertrand Castel
- Benedetto Castelli
- Miguel Antonio Catalán
- Augustin-Louis Cauchy
- Tiberius Cavallo
- James Chadwick
- Sydney Chapman
- Jacques-Alexandre- César Charles
- Ernst Florenz Friedrich Chladni
- Christian Christiansen
- Samuel Hunter Christie
- Nicholas Constantine Christofilos
- George Chrystal
- Alexis-Claude Clairaut
- Rudolf Clausius
- Jacob Clay
- William Weber Coblentz
- John Douglas Cockcroft
- Cadwallader Colden
- Ludvig August Colding
- Arthur Holly Compton
- Karl Taylor Compton
- William David Coolidge
- Orso Mario Corbino
- Marie Alfred Cornu
- Bonaventura Corti
- Dirk Coster
- Aimé-Auguste Cotton
- Charles Augustin Coulomb
- Gaspard le Compasseur de Créquy- Montfort Courtivron
- Adair Crawford
- Henry Crew
- William Crookes
- James Cumming
- Marie Curie
- Pierre Curie
- Joachim Dalencé
- John Dalton
- Reginald Aldworth Daly
- John Frederic Daniell
- Charles Galton Darwin
- Clinton Joseph Davisson
- Peter Joseph William Debye
- Lee De Forest
- Everette Lee DeGolyer
- Gabriel Delafosse
- Jean André Deluc
- Democritus
- David Mathias Dennison
- René du Perron Descartes
- Alfred-Louis- Olivier Legrand Des Cloizeaux
- Henri Deslandres
- Henri Devaux
- James Dewar
- Roscoe Gilkey Dickinson
- Dietrich von Freiberg
- Paul Adrien Maurice Dirac
- Eustachio Divini
- Prokop Diviš
- John Dollond
- Marko Antonije Dominis
- Johann Gabriel Doppelmayr
- Johann Christian Doppler
- Hendrik Berend Dorgelo
- Heinrich Wilhelm Dove
- Cornelius Drebbel
- Paul Karl Ludwig Drude
- Hugh Latimer Dryden
- William Duane
- Charles-François de Cisternai Dufay
- Jean-Marie-Constant Duhamel
- Pierre-Maurice-Marie Duhem
- Pierre Louis Dulong
- Théodose Achille Louis Du Moncel
- Jesse William Monroe Dumond
- Louis Dominique Joseph Armand Dunoyer de Segonzac
- Athanase Louis Victoire Dupré
- René-Joachim-Henri Dutrochet
- Carl Henry Eckart
- Arthur Stanley Eddington
- Paul Ehrenfest
- Felix Ehrenhaft
- Aleksandr Aleksandrovich Eichenwald
- Albert Einstein
- Johann Philipp Ludwig Julius Elster
- Robert Emden
- David Enskog
- Baron von Eötvös
- Paul Sophus Epstein
- Georg Adolph Erman
- Hans Ertel
- Berend George Escher
- Ernest Benjamin Esclangon
- Leonhard Euler
- John Evershed
- Paul Peter Ewald
- James Alfred Ewing
- William Maurice Ewing
- Giovanni Valentino Mattia Fabbroni
- Charles Fabry
- Daniel Gabriel Fahrenheit
- Isidor Fankuchen
- Abū Naṣr Muḥammad ibn Muḥammad ibn Ṭarkhan ibn Awzalagh al-Fārābī
- Michael Faraday
- John Farrar
- Berend Wilhelm Feddersen
- Evgenii Konstantinovich Fedorov
- Enrico Fermi
- Galileo Ferraris
- William Ferrel
- George Francis Fitzgerald
- Armand-Hippolyte-Louis Fizeau
- Johannes Fleischer
- Vladimir Aleksandrovich Fok
- August Föppl
- James David Forbes
- Henry Foster
- Jean-Bernard-Léon Foucault
- Jean-Baptiste-Joseph Fourier
- Alfred Fowler
- Ralph Howard Fowler
- James Franck
- Philipp Frank
- Moritz Ludwig Frankenheim
- Benjamin Franklin
- Joseph Fraunhofer
- Bernard Frenicle De Bessy
- Yakov Ilyich Frenkel
- Augustin Jean Fresnel
- Georges Friedel
- Aleksandr Aleksandrovich Friedman
- Jakob Friedrich Fries
- Otto Robert Frisch
- Paolo Frisi
- Evgraf Stepanovich Fyodorov
- Dennis Gabor
- Wolfgang Gaede
- Galileo Galilei
- Vincenzio Galilei
- Luigi Galvani
- George Gamow
- Antonio Giorgio Garbasso
- William Gascoigne
- John Peter Gassiot
- Joseph-Louis Gay-Lussac
- Hans Geiger
- F. K. Hans Geitel
- Boris Petrovich Gerasimovich
- William Francis Giauque
- Josiah Willard Gibbs
- William Gilbert
- Giles of Rome
- Giovanni Giorgi
- Richard Tetley Glazebrook
- Robert Hutchings Goddard
- Kurt Friedrich Gödel
- Johann Wolfgang von Goethe
- Victor Goldschmidt
- Eugen Goldstein
- Boris Borisovich Golitsyn
- Walter Gordon
- George Gore
- Samuel Abraham Goudsmit
- Louis-Georges Gouy
- Thomas Graham
- Antoine Alfred Arnaud Xavier Louis de Gramont
- Franz Grashof
- Willem Jacob 's Gravesande
- Stephen Gray
- David Gregory
- James Gregory
- Friedrich Albrecht Carl Gren
- Francesco Maria Grimaldi
- Robert Grosseteste
- Paul Heinrich von Groth
- Theodor Grotthuss
- William Robert Grove
- Otto von Guericke
- Charles Édouard Guillaume
- Cato Maximilian Guldberg
- Allvar Gullstrand
- Charles-Eugène Guye
- Arthur Erich Haas
- Wander Johannes de Haas
- Jean Nicolas Pierre Hachette
- John Hadley
- Otto Hahn
- George Ellery Hale
- Edwin Herbert Hall
- Edmond Halley
- Wilhelm Ludwig Franz Hallwachs
- William Rowan Hamilton
- Maurice Théodore Adolphe Hamy
- Wilhelm Gottlieb Hankel
- William Webster Hansen
- Christopher Hansteen
- Thomas Harriot
- Douglas Rayner Hartree
- Nicolaas Hartsoeker
- Friedrich Hasenöhrl
- Francis Hauksbee
- René-Just Haüy
- Abū ʿAlī al-Ḥasan ibn al-Ḥasan ibn al-Haytham
- Oliver Heaviside
- Werner Karl Heisenberg
- Hermann von Helmholtz
- Victor Henri
- Sophus Henrichsen
- Joseph Henry
- Henry of Hesse
- Paul Pierre Henry
- John Herapath
- Carl Heinrich Hermann
- Hero of Alexandria
- John Frederick William Herschel
- Heinrich Rudolf Hertz
- Victor Franz Hess
- Johann Friedrich Christian Hessel
- György Hevesy
- Jaroslav Heyrovský
- William Heytesbury
- Maurice Neville Hill
- Gustave Adolfe Hirn
- Johann Wilhelm Hittorf
- Thomas Hobbes
- Ludwig Christian Friedrich Holborn
- Arthur Holmes
- Kotaro Honda
- Robert Hooke
- John Hopkinson
- William Huggins
- Albert Wallace Hull
- Frederick Vinton Hunt
- James Hutton
- Christiaan Huygens
- Egil Andersen Hylleraas
- Leopold Infeld
- Jan Ingen-Housz
- Abram Fedorovich Ioffe
- Jun Ishiwara
- Herbert Eugene Ives
- Moritz Hermann von Jacobi
- Frans Maurits Jaeger
- Zacharias Jansen
- Pierre Jules César Janssen
- James Hopwood Jeans
- Louis Joblot
- John of Murs
- Frédéric Joliot
- Irène Joliot-Curie
- Philipp Johann Gustav von Jolly
- John Joly
- Ernst Pascual Jordan
- James Prescott Joule
- Willem Henri Julius
- Theodor Franz Eduard Kaluza
- Kamāl al-Dīn Abu'l Ḥasan Muḥammad ibn al-Ḥasan al-Fārisī
- Heike Kamerlingh Onnes
- Walter Kaufmann
- Heinrich Johannes Gustav Kayser
- Willem Hendrik Keesom
- John Keill
- Alexander Blackie William Kennedy
- Johannes Kepler
- John Kerr
- Rem Victorovich Khokhlov
- Abu' L-Qāsim ʿUbayd AllāhʿAbd Allāh ibn Khurradādhbih
- Ebenezer Kinnersley
- Gustav Robert Kirchhoff
- Oskar Benjamin Klein
- Ewald Georg von Kleist
- Samuel Klingenstierna
- Georg Simon Klügel
- Martin Hans Christian Knudsen
- Vern Oliver Knudsen
- Nikolai Yevgrafovich Kochin
- Johann Samuel Koenig
- Karl Rudolph Koenig
- Gabriel Koenigs
- Friedrich Wilhelm Georg Kohlrausch
- Rudolph Herrmann Arndt Kohlrausch
- Gury Vasilievich Kolosov
- Arthur König
- Miklós von Konkoly Thege
- Walther Kossel
- Lew Kowarski
- Jens Kraft
- Hendrik Anthony Kramers
- Chrétien Kramp
- Torichan Pavlovich Kravets
- August Karl Krönig
- Iurii Aleksandrovich Krutkov
- Johannes Petrus Kuenen
- August Adolph Kundt
- Igor Vasilievich Kurchatov
- Ferdinand Kurlbaum
- Rudolf Walther Ladenburg
- Philippe de La Hire
- Horace Lamb
- Johann Heinrich Lambert
- Johann von Lamont
- Lev Davidovich Landau
- Grigory Samuilovich Landsberg
- Jonathan Homer Lane
- Paul Langevin
- Samuel Pierpont Langley
- Irving Langmuir
- Pierre-Simon Marquis de Laplace
- Arthur-Auguste de La Rive
- Charles-Gaspard de La Rive
- Karl Lark-Horovitz
- Joseph Larmor
- Jakob Johann Laub
- Max von Laue
- Pierre Alphonse Laurent
- Fritz H. Laves
- Ernest Orlando Lawrence
- Petr Petrovich Lazarev
- Petr Nikolaevich Lebedev
- John Leconte
- Otto Lehmann
- Aleksandr Il'ich Leipunskii
- Georges Lemaître
- Louis-Guillaume Le Monnier
- Philipp Lenard
- John Edward Lennard-Jones
- Emil Khristianovich Lenz
- Charles Le Roy
- Jean-Baptiste Le Roy
- George-Louis Lesage
- Jacques-Alexandre Le Tenneur
- Levi Ben Gerson
- Tullio Levi-Civita
- Leonid Samuilovich Leybenzon
- Georg Christoph Lichtenberg
- Il'ia Mikhailovich Lifshits
- Frederick Alexander Lindemann
- Heinrich Friedrich Link
- Gabriel Jonas Lippmann
- Jules Antoine Lissajous
- Joseph Jackson Lister
- Humphrey Lloyd
- Joseph Norman Lockyer
- Oliver Joseph Lodge
- Mikhail Vasilievich Lomonosov
- Fritz London
- Heinz London
- Dame Kathleen Yardley Lonsdale
- Hendrik Antoon Lorentz
- Ludwig Valentin Lorenz
- Giuseppe Lorenzoni
- Johann Joseph Loschmidt
- Augustus Edward Hough Love
- Peter Ivanovich Lukirskii
- Otto Richard Lummer
- Theodore Lyman
- Bernard Lyot
- James MacCullagh
- Ernst Mach
- Felix Karl Ludwig Machatschki
- John Cunningham McLennan
- Jean-Hyacinthe de Magellan
- Raffaello Magiotti
- Valeriano Magni
- Heinrich Gustav Magnus
- Emanuel Maignan
- Jean Jacques D'Ortous de Mairan
- Ettore Majorana
- Dmitry Dmitrievich Maksutov
- Étienne Louis Malus
- Leonid Isaakovich Mandelshtam
- Johannes Marcus Marci of Kronland
- Guglielmo Marconi
- Max Margules
- Edme Mariotte
- Giovanni Marliani
- Ernest Marsden
- David Forbes Martyn
- Éleuthère Élie Nicolas Mascart
- Antoine-Philibert Masson
- Émile Léonard Mathieu
- Carlo Matteucci
- Motonori Matuyama
- Charles Victor Mauguin
- Pierre Louis Moreau de Maupertuis
- Francesco Maurolico
- James Clerk Maxwell
- Alfred Marshall Mayer
- Julius Robert Mayer
- Maria Goeppert Mayer
- William Frederick Meggers
- Walther Meissner
- Lise Meitner
- Macedonio Melloni
- Thomas Melvill
- Marin Mersenne
- Jean- Baptiste-Marie-Charles Meusnier de la Place
- Albert Abraham Michelson
- Gustav Mie
- Dayton Clarence Miller
- William Allen Miller
- William Hallowes Miller
- Robert Andrews Millikan
- Edward Arthur Milne
- Henri Mineur
- Gerard Moll
- Richard Mollier
- Samuel Molyneux
- William Molyneux
- Geminiano Montanari
- Edward Williams Morley
- Henry Gwyn Jeffreys Moseley
- Ottaviano Fabrizio Mossotti
- Gustav Müller
- Johann Müller
- Georg Wilhelm Muncke
- Petrus van Musschenbroek
- Claude Mydorge
- Hantaro Nagaoka
- Edward Nairne
- Władysław Natanson
- Hermann Walther Nernst
- Carl Gottfried Neumann
- Franz Ernst Neumann
- Hugh Frank Newall
- Isaac Newton
- Jean-François Niceron
- Ernest Fox Nichols
- John William Nicholson
- William Nicol
- Nicomachus of Gerasa
- Paul Niggli
- Yoshio Nishina
- Friedrich Adolph Nobert
- Leopoldo Nobili
- Étienne Noël
- Jean-Antoine Nollet
- Robert Norman
- Boris Vasilievich Numerov
- Ernst Kraft Wilhelm Nusselt
- Hans Christian Oersted
- Georg Simon Ohm
- Karol Stanisław Olszewski
- Lars Onsager
- J. Robert Oppenheimer
- Aleksandr Yakovlevich Orlov
- Sergey Vladimirovich Orlov
- Leonard Salomon Ornstein
- Friedrich Wilhelm Ostwald
- Antonio Pacinotti
- Friedrich Adolf Paneth
- Nikolai Dmitrievich Papaleksi
- Ignace Gaston Pardies
- Antoine Parent
- Blaise Pascal
- Louis Carl Heinrich Friedrich Paschen
- Louis Pasteur
- Wolfgang Pauli
- John Pecham
- George Braxton Pegram
- Benjamin Osgood Peirce
- Jean Charles Athanase Peltier
- Henry Pemberton
- Benedictus Pereira
- Jean-Baptiste Gaspard Gustav Alfred Pérot
- Pierre de Peter Peregrinus
- Alexis Thérèse Petit
- Pierre Petit
- Vasily Vladimirovich Petrov
- Esprit Pezenas
- Philo of Byzantium
- Auguste Piccard
- Marc-Auguste Pictet
- Raoul-Pierre Pictet
- George Washington Pierce
- George Placzek
- Max Karl Ernst Ludwig Planck
- Joseph Antoine Ferdinand Plateau
- John Playfair
- Julius Plücker
- Johann Christian Poggendorff
- Robert Wichard Pohl
- Jules-Henri Poincaré
- Jean Léonard Marie Poiseuille
- Simeon-Denis Poisson
- Giovanni Poleni
- Giuseppe Saverio Poli
- Pierre Polinière
- Isaak Iakovlevich Pomeranchuk
- Aleksandr Stepanovich Popov
- Ignazio Porro
- Claude-Servais-Mathias Pouillet
- Baden Powell
- Cecil Frank Powell
- John Henry Poynting
- Ludwig Prandtl
- Isaac-Bénédict Prévost
- Pierre Prevost
- Joseph Priestley
- Ernst Pringsheim
- Charles Pritchard
- Joseph Privat de Molières
- Carl Pulfrich
- Michael Idvorsky Pupin
- Georg Hermann Quincke
- Quṭb al-Dīn al-Shīrāzī
- Chandrasekhara Venkata Raman
- Carl Wilhelm Ramsauer
- Lewis Stephen Ramsdell
- Peter Ramus
- Alexander Oliver Rankine
- William John Macquorn Rankine
- Arthur Cowper Ranyard
- Auguste Camille Edmond Rateau
- René-Antoine Ferchault de Réaumur
- Erich Rudolph Alexander Regener
- Henri Victor Regnault
- Harry Fielding Reid
- Osborne Reynolds
- Annibale Riccò
- Owen Willans Richardson
- Jean Richer
- Georg Wilhelm Richmann
- Floyd Karker Richtmyer
- Eduard Riecke
- Georg Friedrich Bernhard Riemann
- Augusto Righi
- Friedrich Risner
- Johann Wilhelm Ritter
- Walter Ritz
- Gilles Personne de Roberval
- John Robison
- Édouard Albert Roche
- Jean-Baptiste Louis Romé de L'Isle
- Wilhelm Conrad Röntgen
- Ogden Nicholas Rood
- Gustav Rose
- Hans Oswald Rosenberg
- Francesco Rossetti
- Henry Augustus Rowland
- Dmitry Sergeevich Rozhdestvensky
- Heinrich Rubens
- Carl David Tolmé Runge
- Henry Norris Russell
- Ernest Rutherford
- Lewis Morris Rutherfurd
- Johannes Rydberg
- Edward Sabine
- Paul Earls Sabine
- Wallace Clement Ware Sabine
- Georges M. M. Sagnac
- Meghnad Saha
- Shoichi Sakata
- Aleksandr Filippovich Samoylov
- Frederick Albert Saunders
- Joseph Sauveur
- Félix Savart
- Julius Scheiner
- Paul Hermann Scherrer
- Johann Jakob Scheuchzer
- Leonard Isaac Schiff
- Bernhard Voldemar Schmidt
- Carl August von Schmidt
- Johann Friedrich Julius Schmidt
- Arthur Moritz Schoenflies
- Basil Ferdinand Jamieson Schonland
- Charles Anthony Schott
- Gaspar Schott
- Erwin Schrödinger
- Arthur Schuster
- Johann Salomo Christoph Schweigger
- Angelo Secchi
- Thomas Seebeck
- János-András Segner
- Marc Seguin
- Henri Hureau de Sénarmont
- Lucius Annaeus Seneca
- Vsevolod Vasilievich Sharonov
- William Napier Shaw
- Grigory Abramovich Shayn
- Walter Andrew Shewhart
- James Short
- Alexei Vasilievich Shubnikov
- Henry Friedrich Wilhelm Siedentopf
- Karl Manne Georg Siegbahn
- Ernst Werner von Siemens
- Joseph- Aignan Sigaud de Lafond
- Pierre Sigorgne
- Franz Eugen Simon
- John Clarke Slater
- Louis Byrne Slichter
- Adolf Gustav Stephan Smekal
- Robert Smith
- Marian Smoluchowski
- Willebrord Snel
- Charles Percy Snow
- Frederick Soddy
- Leonhard Sohncke
- Jean-Baptiste-François Soleil
- Arnold Sommerfeld
- Walthère Victor Spring
- Johannes Stark
- Josef Stefan
- Karl August Steinheil
- Aleksandr Vasil'evich Stepanov
- Joseph Stepling
- Otto Stern
- Pavel Karlovich Sternberg
- Stanley Smith Stevens
- Balfour Stewart
- George Gabriel Stokes
- Aleksandr Grigorievich Stoletov
- Edmund Clifton Stoner
- George Johnstone Stoney
- Fredrik Carl Mülertz Størmer
- Samuel Wesley Stratton
- Erwin Stresemann
- John William Strutt
- Robert Strutt
- William Sturgeon
- Charles-François Sturm
- William Sutherland
- Harald Ulrik Sverdrup
- William Francis Gray Swann
- Jan Hendrik van Swinden
- Robert Symmer
- Synesius of Cyrene
- Leo Szilard
- Peter Guthrie Tait
- Igor Evgenievich Tamm
- Aikitsu Tanakadate
- Geoffrey Ingram Taylor
- Nikola Tesla
- Louis Thollon
- Alvaro Thomaz
- Benjamin Thompson
- Silvanus Phillips Thompson
- George Paget Thomson
- Joseph John Thomson
- Sir William Thomson
- Gavriil Adrianovich Tikhov
- Johann Daniel Titius
- Richard Chace Tolman
- Sin-Itiro Tomonaga
- Evangelista Torricelli
- John Sealy Edward Townsend
- Edward Troughton
- Frederick Thomas Trouton
- John Trowbridge
- Ehrenfried Walther Tschirnhaus
- Göte Wilhelm Turesson
- Alfred Edwin Howard Tutton
- Merle Antony Tuve
- Nikolai Alexeevich Umov
- Harold Clayton Urey
- Robert Jemison Van de Graaff
- John Hasbrouck Van Vleck
- Sergey Ivanovich Vavilov
- Lars Vegard
- Vladimir Iosifovich Veksler
- Felix Andries Vening Meinesz
- Marcel Émile Verdet
- Sergei Nikolaevich Vernov
- Paul Villard
- Emilio Villari
- Jules Louis Gabriel Violle
- Hermann Carl Vogel
- Woldemar Voigt
- Paul Oskar Eduard Volkmann
- Alessandro Giuseppe Antonio Anastasio Volta
- Johann Von Neumann
- Johannes Diderik van der Waals
- Walter of Odington
- Emil Gabriel Warburg
- John James Waterston
- William Watson
- Robert Alexander Watson-Watt
- Ernst Heinrich Weber
- Wilhelm Eduard Weber
- Arthur Gordon Webster
- David Locke Webster
- Alfred Lothar Wegener
- Arthur Rudolph Berthold Wehnelt
- Christian Samuel Weiss
- Pierre Weiss
- Gregor Wentzel
- Hermann Weyl
- Charles Wheatstone
- Alfred North Whitehead
- Edmund Taylor Whittaker
- Emil Wiechert
- Gustav Heinrich Wiedemann
- Wilhelm Carl Werner Otto Fritz Franz Wien
- Ludwig Christian Wiener
- Otto Wiener
- Johan Carl Wilcke
- Ludwig Ferdinand Wilhelmy
- Benjamin Wilson
- Charles Thomson Rees Wilson
- Edwin Bidwell Wilson
- Harold Albert Wilson
- Witelo
- William Hyde Wollaston
- Robert Williams Wood
- Robert Simpson Woodward
- Zygmunt Florenty von Wróblewski
- Georg Wulff
- Hideki Yukawa
- William Houlder Zachariasen
- Pieter Zeeman
- Frits Zernike
- Gustav Anton Zeuner
- Johann Karl Friedrich Zöllner
- Niccolò Zucchi
- Fritz Zwicky
?
- Hibat Allah Abu'l-Barakāt al-Baghdādī
- Florentino Ameghino
- Antiphon
- Dmitrii Nikolaevich Anuchin
- Aristotle
- Karl Ernst von Baer
- Alexander Bain
- John Banister
- Benjamin Smith Barton
- Johann Joachim Becher
- Johann Beckmann
- Georg von Békésy
- Vladimir Mikhailovich Bekhterev
- Hippolyte Bernheim
- Irénée-Jules Bienaymé
- Alfred Binet
- Davidson Black
- Alberto-Carlo Blanc
- Johann Friedrich Blumenbach
- Franz Boas
- Pierre Paul Broca
- George Busk
- Peter Camper
- James McKeen Cattell
- George Ellett Coghill
- Isidore Auguste Marie François Xavier Comte
- Étienne Bonnot Abbé de Condillac
- Achille-Pierre Dionis du Séjour
- Pierre-Charles-François Dupin
- William Frédéric Edwards
- Friedrich Engels
- Giovanni Valentino Mattia Fabbroni
- Gustav Theodor Fechner
- Julien Fraipont
- James George Frazer
- Sigmund Freud
- Gustav Theodor Fritsch
- Franz Joseph Gall
- Francis Galton
- Prosper Garnot
- Arnold Lucius Gesell
- Louis Pierre Gratiolet
- John Graunt
- Jean Paul Gua de Malves
- Granville Stanley Hall
- Roland McMillan Harper
- David Hartley
- Samuel Hartlib
- Johann Friedrich Herbart
- Karl Ewald Konstantin Hering
- Charles Judson Herrick
- Thomas Hobbes
- Jan van der Hoeven
- Victor Alexander Haden Horsley
- David Hume
- James Hunt
- Thomas Henry Huxley
- William James
- Thomas Jefferson
- William Stanley Jevons
- Carl Gustav Jung
- Johann Heinrich Gottlob von Justi
- Arthur Keith
- John Maynard Keynes
- Khaldūn Ibn
- Wolfgang Köhler
- Jens Kraft
- Stepan Petrovich Krasheninnikov
- Julien Offray de La Mettrie
- Carl Georg Lange
- Louis Lapicque
- Karl Spencer Lashley
- Antoine-Laurent Lavoisier
- Louis Seymour Bazett Leakey
- Vladimir Ilyich Lenin
- Alfred James Lotka
- Sir John Lubbock
- Ernst Mach
- Thomas Robert Malthus
- Paolo Mantegazza
- Rudolf Martin
- Karl Friedrich Philipp von Martius
- Karl Marx
- Franz Anton Mesmer
- John Stuart Mill
- Charles-Louis de Secondat Montesquieu
- Conwy Lloyd Morgan
- Louis-Laurent Gabriel de Mortillet
- Samuel George Morton
- Georg Elias Müller
- Agostino Nifo
- William of Ockham
- Olaus Magnus
- Garcia d' Orta
- Ivan Petrovich Pavlov
- William Petty
- Augustus Henry Lane Fox Pitt-Rivers
- Mihály Polányi
- Grigory Nikolaevich Potanin
- John Wesley Powell
- James Cowles Prichard
- Franz Ignace Pruner Bey
- Raphael Pumpelly
- Frederic Ward Putnam
- Jean- Louis-Armand de Quatrefages de Bréau
- Friedrich Ratzel
- Anders Adolf Retzius
- Magnus Gustaf Retzius
- Charles Robert Richet
- Émile- Valère Rivière de Précourt
- George Rolleston
- George John Romanes
- Ezra Dwight Sanderson
- Satō Nobuhiro
- Karl Sax
- Henry Rowe Schoolcraft
- Ivan Mikhaylovich Sechenov
- Samuel Thomas Soemmerring
- William Johnson Sollas
- Herbert Spencer
- Johann Christoph Spurzheim
- Stanley Smith Stevens
- Abu'l-Ḥasan ʿAlī ibn Sahl Rabbān al-Ṭabarī
- Jean Léo Testut
- Themistius
- John Thurnam
- Joseph Townsend
- Cuthbert Tunstall
- Anne-Robert-Jacques Turgot
- Pierre-François Verhulst
- Rudolf Carl Virchow
- Juan Luis Vives
- Constantin-François Chasse-Boeuf Volney
- Rudolph Wagner
- Abraham Wald
- Pehr Wilhelm Wargentin
- Maximilian Zu Wied
- Wilhelm Wundt
- Robert Mearns Yerkes
?
- ʿAbbās ibn Firnās
- Alexander Agassiz
- Leone Battista Alberti
- Carl Theodor Albrecht
- Giovan Battista Amici
- Jakob Amsler
- Archimedes
- Edwin Howard Armstrong
- Jean- François d' Aubuisson de Voisins
- Hertha Ayrton
- Charles Babbage
- Henry Baker
- Balbus
- Bernardino Baldi
- Heinrich Georg Barkhausen
- Franz Andreas Bauer
- Lionel Smith Beale
- Johann Beckmann
- Isaac Beeckman
- Henri Béghin
- Bernard Forest de Bélidor
- Alexander Graham Bell
- Faddei F. Bellinsgauzen
- Hans Berger
- Lloyd Viel Berkner
- Jakob Bernoulli
- Louis-Émile Bertin
- Henry Bessemer
- Augustin de Betancourt y Molina
- Nicolas Bion
- André Eugène Blondel
- Nicolas-François Blondel
- Étienne Bobillier
- Giovanni Alfonso Borelli
- Bodo von Borries
- Charles Bossut
- Edmond Bour
- Eugène Bourdon
- Joseph Valentin Boussinesq
- Nikolai Dmitrievich Brashman
- Louis François Clément Breguet
- Johan August Brinell
- Francesco Brioschi
- Barnabé Brisson
- Ernest William Brown
- Filippo Brunelleschi
- Viktor Yakovlevich Bunyakovsky
- Paolo del Buono
- Vannevar Bush
- Louis Paul Cailletet
- Hugh Longbourne Callendar
- Giuseppe Campani
- Charles-Étienne-Louis Camus
- Lazare-Nicolas- Marguerite Carnot
- Benedetto Castelli
- Alberto Castigliano
- Augustin-Louis Cauchy
- Sergei Alekseevich Chaplygin
- Jean-Baptiste Charcot
- Louis-Marie- Hilaire Bernigaud Chardonnet
- Jean François Chazy
- Nicholas Constantine Christofilos
- Alexis-Claude Clairaut
- Benoit-Pierre-Émile Clapeyron
- Josiah Latimer Clark
- Georges Claude
- Ludvig August Colding
- Charles-Pierre-Mathieu Combes
- Leslie John Comrie
- William Congreve
- Gaspard Gustave de Coriolis
- Martín Cortes de Albacar
- Eugène Maurice Pierre Cosserat
- Frederick Gardner Cottrell
- Charles Augustin Coulomb
- Gaspard le Compasseur de Créquy- Montfort Courtivron
- August Leopold Crelle
- Ctesibius
- Germinal Pierre Dandelin
- Erasmus Darwin
- August Yulevich Davidov
- Jan Cornets De Groot
- Warren De La Rue
- Charles-Eugène Delaunay
- Marcel Deprez
- Charles Derosne
- René du Perron Descartes
- Nicolas Desmarest
- Denis Diderot
- Eustachio Divini
- Giovanni Dondi
- Cornelius Drebbel
- Hugh Latimer Dryden
- Pierre-Louis-Georges Du Buat
- Robert Dudley
- Guillaume-Henri Dufour
- Henri- Louis Duhamel du Monceau
- Pierre-Maurice-Marie Duhem
- Louis-Isidore Duperrey
- Wallace John Eckert
- Thomas Alva Edison
- Aleksandr Aleksandrovich Eichenwald
- Friedrich Engels
- Hans Conrad Escher von der Linth
- Leonhard Euler
- Johann Albert C. Eytelwein
- Louis Fabry
- James Ferguson
- Galileo Ferraris
- Reginald Aubrey Fessenden
- John Ambrose Fleming
- August Föppl
- Jean Nicolas Fortin
- Benoît Fourneyron
- Joseph Fraunhofer
- Aleksandr Aleksandrovich Friedman
- William Froude
- Dennis Gabor
- Aimable Jean-Baptiste Gaillot
- Boris Grigorievich Galerkin
- Henri-Prudence Gambey
- Johann Heinrich Wilhelm Geissler
- Henry Gellibrand
- Giovanni Giorgi
- Pierre-Simon Girard
- Wilhelm Friedrich von Gleichen-Russworm
- Robert Hutchings Goddard
- Thomas Godfrey
- George Graham
- Zénobe-Théophile Gramme
- Franz Grashof
- Howard Grubb
- Thomas Grubb
- Otto von Guericke
- Edmund Gunter
- Louis Bernard Guyton de Morveau
- Jean Nicolas Pierre Hachette
- John Hadley
- William Hale
- William Rowan Hamilton
- William Hampson
- Maurice Théodore Adolphe Hamy
- William Webster Hansen
- John Harrison
- Pieter Harting
- Georg Hartmann
- Nicolaas Hartsoeker
- Francis Hauksbee
- Oliver Heaviside
- Daniel Friedrich Hecht
- Friedrich Franz von Hefner-Alteneck
- Martin Heidenhain
- Sigismund Friedrich Hermbstaedt
- Hero of Alexandria
- Johannes Hevelius
- Emil Heyn
- Kiyotsugu Hirayama
- Eaton Hodgkinson
- Maksymilian Tytus Huber
- Pierre Henri Hugoniot
- Tadataka Inō
- Abram Fedorovich Ioffe
- Pierre Armand Jacquet
- Abu-l-ʿizz Ismāʿīl ibn al-Razzāz al-Jazarīʿ
- Thomas Jefferson
- Henry Charles Fleeming Jenkin
- Frank Baldwin Jewett
- Louis Joblot
- Jordanus de Nemore
- László Kalmár
- Theodore von Kármán
- Alexander Blackie William Kennedy
- Arthur Edwin Kennelly
- Charles Franklin Kettering
- Abu'l-Fatḥ ʿAbd al-Raḥmān al-Khāzinī
- David Kirkaldy
- Gabriel Koenigs
- August Karl Johann Valentin Köhler
- Gury Vasilievich Kolosov
- Sergey Pavlovich Korolev
- Aleksandr Petrovich Kotelnikov
- Cornelis Rudolphus Theodorus Krayenhoff
- Aleksei Nikolaevich Krylov
- Thomas Fantet de Lagny
- Joseph Louis Lagrange
- Bernard Lamy
- Frederick William Lanchester
- Marsilio Landriani
- Claude Langlois
- Michael Florent van Langren
- Pierre-Simon Marquis de Laplace
- Aimé Laussedat
- Mikhail Petrovich Lazarev
- Claude-Nicolas Le Cat
- Léon François Alfred Lecornu
- Antoni van Leeuwenhoek
- Jacques Lemaire
- Leonardo da Vinci
- Jean-Baptiste Le Roy
- Urbain-Jean-Joseph Le Verrier
- Maurice Lévy
- William Lewis
- Leonid Samuilovich Leybenzon
- Carl von Linde
- João de Lisboa
- Vladimir Mikhaylovich Lokhtin
- Hans Lorenz
- Aleksandr Mikhailovich Lyapunov
- Jean-Hyacinthe de Magellan
- Raffaello Magiotti
- Shihāb al-Dīn Aḥmad ibn Mājid ibn Mājid
- Robert Mallet
- Eustachio Manfredi
- Guglielmo Marconi
- Edme Mariotte
- Giovanni Marliani
- Adolf Martens
- Benjamin Martin
- Francesco di Giorgio di Martini
- Pedro de Medina
- Luigi Federico Menabrea
- Christopher Merrett
- Marin Mersenne
- Ivan Vsevolodovich Meshchersky
- Adriaen Metius
- Jean- Baptiste-Marie-Charles Meusnier de la Place
- Famiano Michelini
- Richard von Mises
- Christian Otto Mohr
- Nikolay Dmitrievich Moiseev
- Friedrich Rudolf Heinrich Carl Moll
- Gaspard Monge
- Geminiano Montanari
- Guidobaldo Monte
- Jacques-Philippe Mérigon de Montgéry
- Étienne Jacques de Montgolfier
- William Moore
- Samuel Morland
- Théodore Florentin Moutard
- Heinrich Müller-Breslau
- Carl Wilhelm von Naegeli
- James Nasmyth
- Claude-Louis-Marie- Henri Navier
- John Turberville Needham
- Aleksandr Ivanovich Nekrasov
- Antonio Neri
- Thomas Newcomen
- Isaac Newton
- William Nicholson
- Friedrich Adolph Nobert
- Robert Norman
- Richard Norwood
- Mikhail Vasilievich Ostrogradsky
- François Marie Guyonneau de Pambour
- Denis Papin
- Blaise Pascal
- Rembrandt Peale
- Benedictus Pereira
- Duarte Pacheco Pereira
- Joseph Jean Camille Pérès
- Claude Perrault
- Jean-Rodolphe Perronet
- Nikolay Pavlovich Petrov
- Philo of Byzantium
- Jean François Pilatre de Rozier
- Henri Pitot
- Jules-Henri Poincaré
- Louis Poinsot
- Jean Victor Poncelet
- Aleksandr Stepanovich Popov
- Johann Heinrich Pott
- Henry Power
- Gaspard-François-Clair- Marie Riche de Prony
- Victor Puiseux
- Jesse Ramsden
- William John Macquorn Rankine
- Auguste Camille Edmond Rateau
- René-Antoine Ferchault de Réaumur
- Ferdinand Jakob Redtenbacher
- Ferdinand Reech
- Georg Friedrich von Reichenbach
- Adolf Repsold
- Franz Reuleaux
- Osborne Reynolds
- Albert Ribaucour
- Carlos Ribeiro Santos
- Ostilio Ricci
- Richard of Wallingford
- David Rittenhouse
- Gilles Personne de Roberval
- Benjamin Robins
- Abraham Robinson
- John Robison
- Édouard Albert Roche
- John Roebuck
- Edward John Routh
- Reinhold Rüdenberg
- Heinrich Daniel Rühmkorff
- Girolamo Ruscelli
- Adhémar Jean Claude Barré de Saint-Venant
- Aleksandr Filippovich Samoylov
- Santorio Santorio
- Joseph Saurin
- Joseph Saxton
- Gaspar Schott
- Otto Friedrich Schott
- Jan Arnoldus Schouten
- Max Johann Sigismund Schultze
- Armand Séguin
- Marc Seguin
- Vasily Mikhaylovich Severgin
- Charles William Siemens
- Ernst Werner von Siemens
- John Smeaton
- Jean-Baptiste-François Soleil
- Osip Ivanovich Somov
- Henry Clifton Sorby
- Elmer Ambrose Sperry
- Thomas Ernest Stanton
- Charles Proteus Steinmetz
- Vladimir Andreevich Steklov
- Francesco Stelluti
- Simon Stevin
- Aurel Boleslav Stodola
- Emanuel Swedenborg
- Mariano di Jacomo Taccola
- Niccolò Tartaglia
- Frederick Winslow Taylor
- Geoffrey Ingram Taylor
- Nikola Tesla
- al-Ṣābiʾ al-Ḥarrānī Thābit ibn Qurra
- Silvanus Phillips Thompson
- Elihu Thomson
- Robert Henry Thurston
- Stepan Timoshenko
- François Félix Tisserand
- Leonardo Torres Quevedo
- Konstantin Eduardovich Tsiolkovsky
- Andrey Nikolaevich Tupolev
- Alan Mathison Turing
- William Ernest Stephen Turner
- Roberto Valturio
- Pierre Varignon
- Sébastien le Prestre de Vauban
- Vladimir Iosifovich Veksler
- Ignatz Venetz
- Faustus Verantius
- Pierre Vernier
- Juan Bautista Villalpando
- Ivan Alekseevich Vyshnegradsky
- Robert Alexander Watson-Watt
- James Watt
- Josiah Wedgwood
- Julius Ludwig Weisbach
- Caspar Wessel
- Richard Herman Wilhelm
- Robert Willis
- August Wöhler
- Reinhard Woltman
- Wilbur Wright
- Gustav Anton Zeuner
- Nikolay Egorovich Zhukovsky
- Fritz Zwicky