Émile Henriot
Émile Henriot was a French chemist notable for being the first to show definitely that potassium and rubidium are naturally radioactive.
From *.wikipedia.org,
General Info
.
Male
Date of Birth
July 2nd, 1885
Age
140
Birth Place
France, Bourgogne-Franche-Comté
Date of Death
February 1st, 1961
Died Aged
75
Star Sign
Cancer
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