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Carl Ludwig Siegel Scientist

Carl Ludwig Siegel (December 31, 1896 – April 4, 1981) was a German mathematician specialising in number theory and celestial mechanics. He is known for, amongst other things, his contributions to the Thue-Siegel-Roth theorem in Diophantine approximation and the Siegel mass formula for quadratic forms. He was one of the most important mathematicians of the 20th century.André Weil, without hesitation, named Siegel as the greatest mathematician of the first half of the 20th century. Atle Selberg said of Siegel and his work:

Personal facts

Birth date	December 31, 1896
Birth place	Berlin , German Empire , Germany
Date of death	April 04, 1981
Place of death	Germany , Göttingen , West Germany
Education	University of Göttingen
Known for	Number theory

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