W. Haidinger

Wilhelm Karl Ritter von Haidinger, (or Wilhelm von Haidinger) (February 5, 1795 – March 19, 1871), was an Austrian mineralogist, geologist and physicist.He was born at Vienna; his father, Karl Haidinger, contributed largely to the development of mineralogical science in the latter half of the 18th century. Having studied at the normal school of St Anne, and attended classes at the university, Wilhelm, at the age of seventeen, joined Professor F. Mohs at Graz, and five years later accompanied the professor to Freiberg on the transfer of his labours to the mining academy of that town.
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