Max Dehn
| Max Dehn | |
|---|---|
 |
|
| Born |
November 13, 1878 Hamburg, German Empire |
| Died | June 27, 1952 (aged 73) Black Mountain, North Carolina |
| Nationality | United States |
| Fields | Mathematics |
| Institutions |
University of Münster Goethe University Frankfurt Black Mountain College |
| Alma mater | University of Göttingen |
| Doctoral advisor | David Hilbert |
| Doctoral students |
Ott-Heinrich Keller Wilhelm Magnus Ruth Moufang |
Max Wilhelm Dehn (November 13, 1878 – June 27, 1952) was a German-born American mathematician and student of David Hilbert. He is most famous for his work in geometry, topology and geometric group theory. He is also known for being the first to resolve one of Hilbert's well-known 23 problems. Dehn's students include Ott-Heinrich Keller, Ruth Moufang, Wilhelm Magnus, and the artist Dorothea Rockburne.
Dehn was born to a Jewish family in Hamburg, Imperial Germany.
He studied the foundations of geometry with Hilbert at Göttingen in 1899, and obtained a proof of the Jordan curve theorem for polygons. In 1900 he wrote his dissertation on the role of the Legendre angle sum theorem in axiomatic geometry. From 1900 to 1911 he was an employee and researcher at the University of Münster. In his habilitation at the University of Münster in 1900 he resolved Hilbert's third problem, by introducing what was afterwards called the Dehn invariant. This was the first resolution of one of the Hilbert Problems.
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