Background
He was born into a Lutheran family in Horn, a suburb of Hamburg.
mathematician university professor
He was born into a Lutheran family in Horn, a suburb of Hamburg.
He attended the University of Göttingen and submitted his doctoral thesis to the University of Hamburg.
He was noted for work on complex analysis with Henri Cartan and Peter Thullen. He was concerned about his son"s ethnicity during the Nazi period.
German Academy of Sciences Leopoldina]
In 1936 he was elected a member of the Deutsche Akademie der Naturforscher Leopoldina.