Mikhail Tetyaev
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Mikhail Mikhailovich Tetyaev (Михаил Михайлович Тетяев in Russian) (September 11(23), 1882, Nizhny Novgorod - October 11, 1956, Leningrad) was a Soviet tectonic geologist.
A wrinkle-ridge on the Moon is named after Mikhail Tetyaev.