Template:Selected anniversaries/December 18: Difference between revisions

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||1917: Roger Conant Lyndon born ... mathematician, for many years a professor at the University of Michigan. He is known for Lyndon words, the Curtis–Hedlund–Lyndon theorem, Craig–Lyndon interpolation and the Lyndon–Hochschild–Serre spectral sequence. Pic: https://fr.wikipedia.org/wiki/Roger_Lyndon
||1917: Roger Conant Lyndon born ... mathematician, for many years a professor at the University of Michigan. He is known for Lyndon words, the Curtis–Hedlund–Lyndon theorem, Craig–Lyndon interpolation and the Lyndon–Hochschild–Serre spectral sequence. Pic: https://fr.wikipedia.org/wiki/Roger_Lyndon
||1939: Freya radar first successfully used ... two stations detected an approaching daytime raid on Wilhelmshaven by 22 RAF Vickers Wellington bombers at a range of 113 km and guided fighter planes toward them via radio. Pic.


File:Eisenhower in the Oval Office February 1956.jpg|link=Crimes against mathematical constants|1956: U.S. President Dwight D. Eisenhower delivers a televised address to the nation, in which he warns against the accumulation of power by the "[[Crimes against mathematical constants|math-crimes complex]]."
File:Eisenhower in the Oval Office February 1956.jpg|link=Crimes against mathematical constants|1956: U.S. President Dwight D. Eisenhower delivers a televised address to the nation, in which he warns against the accumulation of power by the "[[Crimes against mathematical constants|math-crimes complex]]."

Revision as of 06:20, 9 October 2018