Portal:History of science/Selected anniversaries/November 3
- 1643 – Death of John Bainbridge, English astronomer (b. 1582)
- 1643 – Death of Paul Guldin, Swiss astronomer and mathematician (b. 1577)
- 1749 – Birth of Daniel Rutherford, Scottish chemist and physician (d. 1819)
- 1863 – Birth of Alfred Perot, French physicist (d. 1925)
- 1893 – Birth of Edward Adelbert Doisy, American biochemist, recipient of the Nobel Prize in Physiology or Medicine (d. 1986)
- 1918 – Death of Aleksandr Mikhailovich Lyapunov, Russian scientist (b. 1857)
- 1933 – Death of Emile Roux, French scientist (b. 1853)
- 1938 – Birth of Martin Dunwoody, British mathematician
- 1973 – Mariner program: NASA launches the Mariner 10 toward Mercury. On March 29, 1974, it becomes the first space probe to reach that planet
- 1994 – Death of Alvin Andreas Herborg Nielsen, American Physicist (b. 1910)