Portal:History of science/Selected anniversaries/December 3
- 1776 – Birth of Johann Spurzheim, German neuroscientist (d. 1832)
- 1842 - Birth of Ellen Swallow Richards, American scientist (d. 1911)
- 1886 - Birth of Manne Siegbahn, Nobel laureate (d. 1978)
- 1888 – Death of Carl Zeiss, German lens maker (b. 1816)
- 1900 – Birth of Richard Kuhn, Austrian-German biochemist, Nobel laureate (d. 1967)
- 1904 - The Jovian moon Himalia is discovered by Charles Dillon Perrine at California's Lick Observatory
- 1933 – Birth of Paul J. Crutzen, Dutch chemist, Nobel laureate
- 1967 - First successful heart transplant carried out by Christiaan Barnard
- 1982 - A soil sample is taken from Times Beach, Missouri, that will be found to contain 300 times the safe level of dioxin
- 1984 – Death of Vladimir Rokhlin, Russian mathematician (b. 1919)