Portal:History of science/Selected anniversaries/September 24
- 1501 - Birth of Gerolamo Cardano, Italian mathematician (d. 1576)
- 1541 - Death of Paracelsus, Swiss alchemist (b. 1493)
- 1742 - Death of Johann Matthias Hase, German scientist (b. 1684)
- 1801 - Birth of Mikhail Vasilievich Ostrogradsky, Ukrainian scientist (d. 1862)
- 1802 - Birth of Adolphe d'Archiac, French paleontologist and geologist (d. 1868)
- 1870 - Birth of Georges Claude, French chemist and inventor (d. 1960)
- 1945 - Death of Hans Geiger, German physicist (b. 1882)
- 1950 - Forest fires black out the sun over portions of Canada and New England. A Blue moon (in the astronomical sense) is seen as far away as Europe
- 1993 - Death of Bruno Pontecorvo, Italian physicist (b. 1913)