Portal:History of science/Selected anniversaries/February 22
- 1500 - Birth of Cardinal Rodolfo Pio da Carpi, Italian humanist (d. 1564)
- 1632 - Galileo's Dialogue Concerning the Two Chief World Systems is published
- 1731 - Death of Frederik Ruysch, Dutch physician and anatomist (b. 1638)
- 1796 - Birth of Lambert Adolphe Jacques Quetelet, Belgian mathematician (d. 1874)
- 1817 - Birth of Carl Wilhelm Borchardt, German mathematician (d. 1880)
- 1824 - Birth of Pierre Janssen, French astronomer (d. 1907)
- 1849 - Birth of Nikolay Yakovlevich Sonin, Russian mathematician (d. 1915)
- 1857 - Birth of Heinrich Hertz, German physicist (d. 1894)
- 1875 - Death of Sir Charles Lyell, Scottish geologist (b. 1797)
- 1878 - Birth of Walter Ritz, Swiss physicist (d. 1909)
- 1879 - Birth of Johannes Nicolaus Brønsted, Danish physical chemist (d. 1947)
- 1880 - Birth of Frigyes Riesz, Hungarian mathematician (d. 1956)
- 1902 - Birth of Fritz Strassmann, German physicist (d. 1980)
- 1962 - Birth of Steve Irwin, Australian herpetologist (d. 2006)