Portal:History of science/Selected anniversaries/October 7
- 1885 – Birth of Niels Bohr, Danish physicist, Nobel Prize laureate (d. 1962)
- 1896 – Death of Emma Wedgwood, English naturalist, wife of Charles Darwin, (b. 1808)
- 1903 – Death of Rudolf Lipschitz, German mathematician (b. 1832)
- 1939 – Birth of Harold Kroto, English chemist, Nobel Prize laureate
- 1959 - U.S.S.R. probe Luna 3 transmits first ever photographs of the far side of the Moon
- 1962 - U.S.S.R. performs nuclear test at Novaya Zemlya, U.S.S.R
- 2001 – Death of Roger Gaudry, French Canadian chemist, businessman and corporate director (b. 1913)