Template:Selected anniversaries/October 20: Difference between revisions
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||1925: Theodore Hall born ... American physicist and an atomic spy for the Soviet Union, who, during his work on US efforts to develop the first and second atomic bombs during World War II (the Manhattan Project), gave a detailed description of the "Fat Man" plutonium bomb, and of several processes for purifying plutonium, to Soviet intelligence. Pic. | ||1925: Theodore Hall born ... American physicist and an atomic spy for the Soviet Union, who, during his work on US efforts to develop the first and second atomic bombs during World War II (the Manhattan Project), gave a detailed description of the "Fat Man" plutonium bomb, and of several processes for purifying plutonium, to Soviet intelligence. Pic. | ||
||1926: Eugene V. Debs dies ... union leader and politician. Pic. | ||1926: Eugene V. Debs dies ... union leader and politician. Pic. | ||
File:Chairman Dies of House Committee investigating Un-American activities.jpg|link=House Un-American Activities Committee (nonfiction)|1947: The [[House Un-American Activities Committee (nonfiction)|House Un-American Activities Committee]] begins its investigation into Communist infiltration of the cinema of the United States, resulting in a blacklist that prevents some from working in the industry for years. | File:Chairman Dies of House Committee investigating Un-American activities.jpg|link=House Un-American Activities Committee (nonfiction)|1947: The [[House Un-American Activities Committee (nonfiction)|House Un-American Activities Committee]] begins its investigation into Communist infiltration of the cinema of the United States, resulting in a blacklist that prevents some from working in the industry for years. | ||
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||1953: Werner Baumbach dies ... German bomber pilot during World War II. He commanded the secret bomber wing Kampfgeschwader 200 (KG 200) of the Luftwaffe. Pic. | ||1953: Werner Baumbach dies ... German bomber pilot during World War II. He commanded the secret bomber wing Kampfgeschwader 200 (KG 200) of the Luftwaffe. Pic. | ||
File:Saruman House - event hosting.jpg|link=Saruman House|1955: '''[[Saruman House]]''', a fortress commissioned by the corrupt wizard Saruman, opens for business as a conference center and secret lair. | |||
||1961: The Soviet Union performs the first armed test of a submarine-launched ballistic missile, launching an R-13 from a Golf-class submarine. | ||1961: The Soviet Union performs the first armed test of a submarine-launched ballistic missile, launching an R-13 from a Golf-class submarine. | ||
Latest revision as of 10:37, 21 March 2022
1631: Astronomer and mathematician Michael Maestlin dies. He was a mentor to Johannes Kepler, and played a sizable part in his adoption of the Copernican system.
1947: The House Un-American Activities Committee begins its investigation into Communist infiltration of the cinema of the United States, resulting in a blacklist that prevents some from working in the industry for years.
1947: Mathematician and Gnomon algorithm theorist Alice Beta publicly denounces the House Un-American Activities Committee as "an intolerable blight on free association, free speech, free thought, and freedom itself."
1955: Saruman House, a fortress commissioned by the corrupt wizard Saruman, opens for business as a conference center and secret lair.
1987: Mathematician and academic Andrey Kolmogorov dies. Kolmogorov made pioneering contributions to the mathematics of probability theory, topology, intuitionistic logic, turbulence, classical mechanics, algorithmic information theory, and computational complexity.
