Template:Selected anniversaries/April 22: Difference between revisions

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||1891 – Nicola Sacco, Italian-American anarchist (d. 1927)
||1891 – Nicola Sacco, Italian-American anarchist (d. 1927)


File:J. Robert Oppenheimer.jpg|link=J. Robert Oppenheimer (nonfiction)|1904: American physicist and academic [[J. Robert Oppenheimer (nonfiction)|J. Robert Oppenheimer]] born. His achievements in physics will include the Born–Oppenheimer approximation for molecular wavefunctions, and the first prediction of quantum tunneling.
File:J. Robert Oppenheimer.jpg|link=J. Robert Oppenheimer (nonfiction)|1904: American physicist and academic [[J. Robert Oppenheimer (nonfiction)|J. Robert Oppenheimer]] born. His achievements in physics will include the Born–Oppenheimer approximation for molecular wavefunctions, and the first prediction of quantum tunneling. Oppenheimer will be called the "father of the atomic bomb" for is role in the Manhattan Project


||Stanisław Jaśkowski (b. April 22, 1906) was a Polish logician who made important contributions to proof theory and formal semantics. Jaśkowski is considered to be one of the founders of natural deduction, which he discovered independently of Gerhard Gentzen in the 1930s.
||Stanisław Jaśkowski (b. April 22, 1906) was a Polish logician who made important contributions to proof theory and formal semantics. Jaśkowski is considered to be one of the founders of natural deduction, which he discovered independently of Gerhard Gentzen in the 1930s.
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||1945 – Wilhelm Cauer, German mathematician and academic (b. 1900)
||1945 – Wilhelm Cauer, German mathematician and academic (b. 1900)


File:Worcester Lunch Car Company (Research Division).jpg|link=Flying Diner|1953: The [[Flying Diner]] begins twice-daily breakfast and lunch flights between Saint Paul, Minnesota and [[New Minneapolis, Canada]].
||File:Worcester Lunch Car Company (Research Division).jpg|link=Flying Diner|1953: The [[Flying Diner]] begins twice-daily breakfast and lunch flights between Saint Paul, Minnesota and [[New Minneapolis, Canada]].
 
File:J._R._Oppenheimer.jpg|link=J. R. Oppenheimer|1953: Singer-physicist [[J. R. Oppenheimer]] performs his hit song "Destroyer of Worlds" at the Grand Ole Opry, leading to his being summoned before the [[House Un-American Activities Committee (nonfiction)|House Un-American Activities Committee]].


||1954 – Red Scare: Witnesses begin testifying and live television coverage of the Army–McCarthy hearings begins.
||1954 – Red Scare: Witnesses begin testifying and live television coverage of the Army–McCarthy hearings begins.

Revision as of 16:45, 21 April 2018