Friedrich Mohs (January 29, 1773 - September 29, 1839) was a German geologist/mineralogist. Mohs, born in Gernrode, Germany, studied chemistry, mathematics and physics at the University of Halle and also studied at the Mining Academy in Freiberg, Saxony. After assuming the position of a foreman at a mine in 1801, Mohs moved in 1802 to Austria, where he was employed in trying to identify the minerals in a private collection of a Banker. Wikipedia
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