Theodor Ziehen

Work : None | New Career 1887 (Begins career as a psychiatrist) | Work : None | New Job 1900 (Professor of psychology in Utrecht) | Family : None | Change residence 1912 (Relocates family to Wiesbaden) | Work : None | Retired 1930 (from professor of Philosophy at University of Halle) | : None | Death, Cause unspecified 29 December 1950