Template:Selected anniversaries/April 11: Difference between revisions
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||1899 – Percy Lavon Julian, African-American chemist and academic (d. 1975) | ||1899 – Percy Lavon Julian, African-American chemist and academic (d. 1975) | ||
||Donald Howard Menzel (b. April 11, 1901) was one of the first theoretical astronomers and astrophysicists in the United States. He discovered the physical properties of the solar chromosphere, the chemistry of stars, the atmosphere of Mars, and the nature of gaseous nebulae. Pic. | |||
||Alberto González Domínguez (b. 11 April 1904) was an Argentine mathematician working on analysis, probability theory and quantum field theory. | ||Alberto González Domínguez (b. 11 April 1904) was an Argentine mathematician working on analysis, probability theory and quantum field theory. |
Revision as of 11:00, 24 March 2018
1789: Clockmaker Jean-André Lepaute dies. He was an innovator, introducing numerous improvements in clockmaking, especially his pin-wheel escapement, and his clockworks in which the gears are all in the horizontal plane.
1914: Mathematician Dorothy Lewis Bernstein born. She will be the first woman to be elected president of the Mathematics Association of America.
1923: Outbreak of Scrimshaw abuse in Seattle and Portland blamed on new class of crimes against mathematical constants.
1955: The Air India Kashmir Princess is bombed and crashes in a failed assassination attempt on Zhou Enlai.
1956: Art critic and alleged supervillain The Eel escapes from The Nacreum, says he has been framed for crimes he did not commit by the enemies of Cornelius Drebbel.
1962: Physicist and academic Ukichiro Nakaya dies. He created the first artificial snowflakes.
1980: Viking program: After operating on the surface of Mars for 1316 days (1281 sols), the Viking 2 lander is turned off when its batteries fail.
2006: The Venus Express spacecraft arrives at Venus after 153 days of journey, and begins continuously sending back science data from its polar orbit around Venus.
2017: Dennis Paulson calls for a moment of silence in recognition of the thirty-seventh anniversary of NASA switching off the Viking 2 spacecraft.