Portal:History of science/Selected anniversaries/September 13
- 1851 - Birth of Walter Reed, American physician and biologist (d. 1902)
- 1873 - Birth of Constantin Carathéodory, Greek mathematician (d. 1950)
- 1886 - Birth of Sir Robert Robinson, British chemist, Nobel laureate (d. 1975)
- 1887 - Birth of Lavoslav Ruzicka, Croatian chemist, Nobel laureate (d. 1976)
- 1898 - Hannibal Goodwin patents celluloid photographic film
- 1948 - Birth of Dimitri Nanopoulos, Greek physicist
- 1949 - Death of August Krogh, Danish zoophysiologist, Nobel laureate (b. 1874)
- 1956 - IBM introduces the first computer that had a disk storage unit, the IBM 305 RAMAC
- 2004 - Death of Luis E. Miramontes, Mexican chemist, co-inventor of the combined oral contraceptive pill (b. 1925)