August 27:
- 1858 - Birth of Giuseppe Peano, Italian mathematician (d. 1932)
- 1874 - Birth of Carl Bosch, German chemist Nobel Prize laureate (d. 1940)
- 1915 - Birth of Norman F. Ramsey, American physicist Nobel Prize laureate
- 1926 - Birth of Kristen Nygaard, Norwegian mathematician (d. 2002)
- 1958 - Death of Ernest Lawrence, American physicist, Nobel Prize laureate (b. 1901)
August 27:
- 1858 - Birth of Giuseppe Peano, Italian mathematician (d. 1932)
- 1874 - Birth of Carl Bosch, German chemist Nobel Prize laureate (d. 1940)
- 1915 - Birth of Norman F. Ramsey, American physicist Nobel Prize laureate
- 1926 - Birth of Kristen Nygaard, Norwegian mathematician (d. 2002)
- 1958 - Death of Ernest Lawrence, American physicist, Nobel Prize laureate (b. 1901)