
Born on 23.08.1876.
Died on 20.06.1953.
Mineralogy, petrography.
Corresponding Member of the Division of Mathematical and Natural Sciences since 01.02.1933.
Academician of the Division of Geological-Geographical Sciences since 27.09.1943.
Awards:
A.P.Karpinskii Gold Medal - for outstanding works in petrography (1949).
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