In 1934 he became Privatdozent in Marburg, in 1942 professor in Dresden, and in 1946 director of the Mathematical Institute in Göttingen, being instrumental in its reconstruction.
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He studied from 1924 to 1929 at the universities of Graz and Göttingen and received his doctor's degree in 1929 under Richard Courant at Georg August University of Göttingen with the thesis about "Verallgemeinerung der Riemannschen Integrationsmethode auf Differentialgleichungen n-ter Ordnung in zwei Veränderlichen" ("Generalization of Riemann's integration method on differential equations of n-th order in two variables").
Franz Liszt | Franz Schubert | Franz Kafka | Franz Joseph I of Austria | Franz Ferdinand | Franz Boas | Franz Ferdinand (band) | Archduke Franz Ferdinand of Austria | Franz Lehár | Franz Josef Land | Franz Werfel | Franz von Papen | Franz Kline | Franz Beckenbauer | Franz Marc | Franz Kneisel | Franz Joseph | Franz Welser-Möst | Franz Rosenzweig | Franz Kugler | Franz Xaver Winterhalter | Franz Sigel | Franz Josef Strauss | Philipp Franz von Siebold | Franz Wilhelm Junghuhn | Franz Schreker | Franz Xaver Kroetz | Franz Xaver Gruber | Franz Waxman | Franz-Paul Decker |