Semyon Aranovich Gershgorin
Semyon Aronovich Gershgorin was a Soviet 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.
The spelling of S. A. Gershgorin's name has been transliterated in several different ways, including Geršgorin, Gerschgorin, Gerszgorin, Gershgorin and from the Yiddish spelling הירשהאָרן to Hirshhorn and Hirschhorn.
