Ershov, Alexander Dmitrievich

Born in a peasant Komi family. In 1916 he graduated from a four-year school, and in 1922 - a seven-year school in the village. Glotovo. He entered the Ust-Vymsky Pedagogical College, which was soon transferred to Ust-Sysolsk , and graduated in 1926.

He worked in the Komsomol regional committee as the head of the propaganda department. In 1928, on a Komsomol trip, he entered the Physics and Mathematics Department of Moscow State University , from where he transferred to the Moscow Mining Academy , which was reorganized into the Moscow Geological Exploration Institute , and graduated from it in 1932. In 1931, he joined the All-Union Communist Party (Bolsheviks) . In 1931, being the foreman of the Slyudyankino expedition of the All-Union Institute of Mineral Raw Materials , under the leadership of P.P. Pilipenko, he discovered phlogopite deposits on the southern shore of Lake Baikal.

In 1932-1937 studied in graduate school (with a break in 1933-1934, when, by order of the People's Commissariat for Construction, he worked in Irkutsk as deputy director of a research institute at the East Siberian Geological Trust). From 1937 he was the chief engineer, then the head of the Special Purpose Expedition, which until 1939 conducted complex geological explorations in the Xinjiang province of Western China.

In 1939-1941 - Researcher at the Geological Institute of the Academy of Sciences of the USSR , in 1941 he defended his thesis on the geological and structural conditions for the localization of arsenopolimetal mineralization at the Tsagan deposit.

In 1941-1948, deputy chief and chief geologist of the Glavgeology of the USSR Ministry of Non-Ferrous Metallurgy. Supervised the exploration of non-ferrous and rare metals. In 1948, for health reasons, he was transferred to the All-Union Institute of Mineral Raw Materials as deputy director for scientific work.

In 1950-1963 - Director of the All-Union Institute of Mineral Raw Materials; led research on the expansion of the mineral base of beryllium, niobium, tantalum, yttrium, scandium and rare earths. In 1963-1970 headed the department of the methodology for deep prospecting for uranium deposits, in 1970-1983. - Senior Researcher. Since 1983, retired.

Author of studies on the identification of structural conditions for the localization of polymetallic deposits of the Central Caucasus , mica deposits of Transbaikalia .

He headed the interagency Coordinating Scientific and Technical Council [on uranium geology]. He was deputy editor-in-chief of the journal "Soviet Geology", a member of the editorial board of the geological series of the journal "Izvestiya AN SSSR". He was elected a deputy of the Moskvoretsky district council of Moscow.

• Order of the Badge of Honor (1951)
• Order of the Red Banner of Labor (1954)
• medals.

• Ievlev A. Steep paths: The amazing fate of a scientist from Udora (Russian) // Red Banner. - January 12, 2014. (Retrieved December 19, 2014)
• Kuzmin V., Mashkovtsev G. Eternal worker, talented geologist-prospector, native of Udora Alexander Dmitrievich Ershov // Bulletin. - 2007. - No. 4 . - S. 30-33 .