In 1894 he relocated to the University of Graz as a full professor, and in 1902 replaced Carl Gerhardt (1833–1902) as director of the second medical clinic at the Charité Hospital in Berlin. At Berlin, his assistants included Theodor Brugsch and Rahel Hirsch.
In 1894, he relocated to the University of Graz as a full professor, and in 1902 took over from Carl Gerhardt (1833–1902) at the second medical clinic at the Charité Hospital in Berlin. His assistants were Theodor Brugsch and Rahel Hirsch.