Semyon Aranovich Gershgorin and Vladimir Berkovich, have which occupation?
Semyon Aranovich Gershgorin Semyon Aronovich Gershgorin (August 24, 1901 – May 30, 1933) was a Soviet (born in Pruzhany, Belarus, Russian Empire) mathematician. He began as a student at the Petrograd Technological Institute in 1923, became a Professor in 1930, and was given an appointment at the Leningrad Mechanical Engineering Institute in the same year. His contributions include the Gershgorin circle theorem.
Viktor Sukhodrev Viktor Mikhaylovich Sukhodrev (Russian: Виктор Михайлович Суходрев ; 12 December 1932 – 16 May 2014) was a Russian-English interpreter for highest level Soviet politicians including Nikita Khrushchev, Leonid Brezhnev, Mikhail Gorbachev and Alexey Kosygin.