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.
Artur Berger Artur Semyonovich Berger (German: "Arthur Berger" , Russian: Артур Семёнович Бергер ; 27 May 1892 – 11 January 1981) was an Austrian-Soviet film architect and set designer. He was active in Austria between 1920 and 1936, during which time he worked on about 30 feature films. In 1936 he emigrated to the Soviet Union, where he continued to work on films until the early 1970s.