Otto Grün was a German mathematician. He was known primarily for his work in the theory of finite groups, which have often been praised for being foundational to further developments in the field.^[1] He was born on June 26, 1888, in Berlin.^[2] He obtained his Ph.D. from Humboldt University of Berlin in 1948 under the advisory of Hermann Ludwig Schmid.^[3] He died in October 1974 on or before the 10th.^[4]

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Quick Facts Born, Died ...

Otto Grün
Born	(1888-06-26)June 26, 1888 Berlin, Germany
Died	October 1974 (aged 86)
Nationality	German
Alma mater	Humboldt University of Berlin
Known for	Group Theory
Scientific career
Thesis	Beiträge zur Gruppentheorie, III. (1948)
Doctoral advisor	Hermann Ludwig Schmid

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• Grün's lemma
• Grün's first theorem