Bernhard Riemann, a
German mathematician, submits his
habilitation thesis Ueber die Darstellbarkeit einer Function durch eine trigonometrische Reihe ("About the representability of a function by a trigonometric series"), in which he describes the
Riemann integral. It is published by
Richard Dedekind in
1867.[4]
Medicine
April–May –
Dr John Snow traces the source of one outbreak of
cholera in
London (which kills 500) to a single
water pump, validating his theory that
cholera is water-borne, and forming the starting point for
epidemiology.
^Frerichs, Ralph R. (2001-08-05).
"Who first discovered Vibrio cholera?". UCLA School of Public Health.
Archived from the original on 19 January 2008. Retrieved 30 December 2007. Pacini's 1854 publication was titled "Osservazioni microscopiche e deduzioni patologiche sul cholera asiático" ("Microscopical observations and pathological deductions on cholera").
^Haines, Catharine M. C. (2001). International Women in Science: A Biographical Dictionary to 1950. Santa Barbara: ABC-CLIO. p. 12.
ISBN978-1-57607-090-1.
Bernhard Riemann, a
German mathematician, submits his
habilitation thesis Ueber die Darstellbarkeit einer Function durch eine trigonometrische Reihe ("About the representability of a function by a trigonometric series"), in which he describes the
Riemann integral. It is published by
Richard Dedekind in
1867.[4]
Medicine
April–May –
Dr John Snow traces the source of one outbreak of
cholera in
London (which kills 500) to a single
water pump, validating his theory that
cholera is water-borne, and forming the starting point for
epidemiology.
^Frerichs, Ralph R. (2001-08-05).
"Who first discovered Vibrio cholera?". UCLA School of Public Health.
Archived from the original on 19 January 2008. Retrieved 30 December 2007. Pacini's 1854 publication was titled "Osservazioni microscopiche e deduzioni patologiche sul cholera asiático" ("Microscopical observations and pathological deductions on cholera").
^Haines, Catharine M. C. (2001). International Women in Science: A Biographical Dictionary to 1950. Santa Barbara: ABC-CLIO. p. 12.
ISBN978-1-57607-090-1.