Martin Kneser
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Martin Kneser (21 January 1928 – 16 February 2004) was a German mathematician. His father Hellmuth Kneser and grandfather Adolf Kneser were also mathematicians.
He obtained his PhD in 1950 from Humboldt-Universität in Berlin with the dissertation: Über den Rand von Parallelkörpern. His advisor was Erhard Schmidt
His name has been given to Kneser graphs which he studied in 1955.
He also gave a simplified proof of the Fundamental theorem of algebra.
His main publications were on quadratic forms and algebraic groups.