Template:Selected anniversaries/April 23: Difference between revisions
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||1867 – Johannes Fibiger, Danish physician and pathologist, Nobel Prize laureate (d. 1928) | ||1867 – Johannes Fibiger, Danish physician and pathologist, Nobel Prize laureate (d. 1928) | ||
||Edward Hugh Hebern | File:Hebern_electric_code_machine.jpg|link=Edward Hebern (nonfiction)|1869: Inventor [[Edward Hebern (nonfiction)|Edward Hugh Hebern]] born. He will be a pioneer of rotor encryption machines. | ||
||1895 – Carl Ludwig, German physician and physiologist (b. 1815) | ||1895 – Carl Ludwig, German physician and physiologist (b. 1815) | ||
Revision as of 18:30, 21 April 2018
1858: Physicist and academic Max Planck born. He will make many contributions to theoretical physics, earning fame as the originator of quantum theory.
1869: Inventor Edward Hugh Hebern born. He will be a pioneer of rotor encryption machines.
1933: Computer scientist, mathematician, and engineer Annie Easley born. She will be a leading member of the team which develops software for the Centaur rocket stage, and one of the first African-Americans to work as a computer scientist at NASA.
1939: Mathematician and inventor Alice Beta warns President Roosevelt that the Manhattan Project will have disastrous side-effects, including a wave of crimes against mathematical constants.
1941: Computer programmer and engineer Ray Tomlinson born. He will implement the first email system on the the ARPANET system, including the "@" separator which is still in use today.
1967: Soviet space program: Soyuz 1 (Russian: Союз 1, Union 1) a manned spaceflight carrying cosmonaut Colonel Vladimir Komarov is launched into orbit.