Portal:History of science/Selected anniversaries/May 13
- 1588 - Birth of Ole Worm, Danish physician (d. 1654)
- 1795 - Birth of Gérard Paul Deshayes, French geologist (d. 1875)
- 1832 - Death of Georges Cuvier, French naturalist (b. 1769)
- 1857 - Birth of Ronald Ross, English physician and recipient of the Nobel Prize in Physiology or Medicine (d. 1932)
- 1880 - In Menlo Park, New Jersey, Thomas Edison performs the first test of his electric railway.
- 1884 - Death of Cyrus McCormick, American inventor (b. 1809)
- 1938 - Death of Charles Édouard Guillaume, French physicist, Nobel Prize laureate (b. 1861)
- 1962 - Death of Henry Trendley Dean, American dental researcher (b. 1893)
- 1984 - Death of Stanisław Marcin Ulam, Polish mathematician (b. 1909)
- 2005 - Death of George Dantzig, American mathematician (b. 1914)