Paul Ulrich Villard
French chemist and physicist
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Paul Ulrich Villard was a French chemist and physicist. He discovered gamma rays in 1900 while studying the radiation emanating from radium. Wikipedia
Born: September 28, 1860, Saint-Germain-au-Mont-d'Or, France
Died: January 13, 1934 (age 73 years), Bayonne, France
Nationality: French
Education: École normale supérieure