Also on This Day in History September 12
Discover what happened on September 12 with HISTORY's summaries of major events, anniversaries,
famous births and notable deaths.
Births on This Day, September 12
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1812
Richard March Hoe
American engineer and businessman who invented the Rotary printing press
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1892
Alfred A. Knopf, Sr.
American publisher, founded Alfred A. Knopf Inc.
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1725
Guillaume Le Gentil
French astronomer who discovered M32 (Andromeda’s satellite galaxy), M36 and M38 (two open clusters of the constellation Auriga) and M8 (Lagoon nebula)
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1897
Irène Joliot-Curie
French chemist and physicist (Nobel Prize in Chemistry 1935) and daughter of Marie Curie
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1945
Richard Thaler
American economist (nudge theory, Nobel Prize 2017)
Deaths on This Day, September 12
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2009
Norman Borlaug
American agronomist (Green revolution - Nobel Peace Prize 1970)
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1994
Boris Borisovich Yegorov
Soviet physician who was the first practicing doctor in space, and cosmonaut (Voskhod I)
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1813
Edmund Randolph
US Founding Father, 1st US Attorney General (1789-94) and 2nd US Secretary of State (1794-95)
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1927
Sarah Frances Whiting
American physicist and astronomer
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1963
Mervyn A. Ellison
British astronomer (spectrohelioscope)