Semyon Aranovich Gershgorin

Semyon Aronowitsch Gerschgorin (Russian Семён Аронович Гершгорин; * 11 Augustjul / August 24 1901greg in Pruzhany, Belarus, .. † May 30, 1933 ) was a Belarusian- Soviet mathematician. He became internationally known through his theorem on the Gerschgorin circles, which include the eigenvalues ​​of a matrix.

He studied from 1923 at the St. Petersburg Technological Institute and in 1930 professor at the Leningrad Mechanical Engineering Institute. He worked in the mathematical sciences of algebra, function theory, numerical mathematics and the theory of differential equations.

Gerschgorin also constructed an apparatus for drawing ellipses, a copy of which is in the Deutsches Museum in Munich.