Template:Selected anniversaries/April 19: Difference between revisions

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||1860 – On his phonautograph machine, Édouard-Léon Scott de Martinville makes the oldest known recording of an audible human voice.
||1860 – On his phonautograph machine, Édouard-Léon Scott de Martinville makes the oldest known recording of an audible human voice.
||1881: dies: Karl Mikhailovich Peterson was a Russian mathematician, known by an earlier formulation of the Gauss–Codazzi equations. Pic.


||Richard Edler von Mises (b. 19 April 1883) was a scientist and mathematician who worked on solid mechanics, fluid mechanics, aerodynamics, aeronautics, statistics and probability theory.  
||Richard Edler von Mises (b. 19 April 1883) was a scientist and mathematician who worked on solid mechanics, fluid mechanics, aerodynamics, aeronautics, statistics and probability theory.  

Revision as of 09:58, 1 April 2018