Otto Schmidt

Soviet scientist and statesman (1891–1956)

Otto Yulyevich Shmidt (born Otto Friedrich Julius Schmidt; 30 September [O.S. 18 September] 1891 – 7 September 1956), better known as Otto Schmidt, was a Soviet scientist, mathematician, astronomer, geophysicist, statesman, and academician.²

From Wikipedia’s article on Otto Schmidt (this version), CC BY-SA 4.0.

Born Sep 30, 1891, died Sep 7, 1956.¹