1925 – John T. Scopes is indicted for teaching human evolution.
1961 – Apollo program: U.S. president John F. Kennedy announces before a special joint session of Congress his goal to initiate a project to put a “man on the moon” before the end of the decade.
1860 – James McKeen Cattell, American psychologist
1865 – Pieter Zeeman, Dutch physicist, Nobel Prize laureate
1880 – Jean Alexandre Barré, French neurologist
1921 – Jack Steinberger, German-born physicist, Nobel Prize laureate
1555 – Gemma Frisius, Dutch mathematician and cartographer
1632 – Adam Tanner, Austrian mathematician and philosopher
1789 – Anders Dahl, Swedish botanist
1935 – Sir Frank Watson Dyson, English astronomer