In 1906 he became a professor of pathology in Dusseldorf, and in 1913 succeeded Richard Kretz (1865-1920) as professor of pathology at the University of Würzburg, a position he maintained until his retirement in 1934.
In 1906 he became a professor of pathology in Dusseldorf, and afterwards was a pathologist in Zurich (1907) and Marburg (1911). In 1913 he succeeded Richard Kretz (1865-1920) as professor of pathology at the University of Würzburg, a position he maintained until his retirement in 1934.