Gotthilf Hagen
German civil engineer
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Gotthilf Heinrich Ludwig Hagen was a German civil engineer who made important contributions to fluid dynamics, hydraulic engineering and probability theory. Wikipedia
Born: March 3, 1797, Königsberg
Died: February 3, 1884 (age 86 years), Berlin, Germany
Parents: Friedrich Ludwig Hagen and Helene Charlotte Albertine Hagen