 After 1895, he was a regular contributor of illustrations for the Art Nouveau magazine, "Pan".In 1896, he became a member of the Berlin Secession and he was married in 1899.He was also a member of the Deutscher Künstlerbund

In 1903, he was appointed a Professor at the Weimar Saxon Grand Ducal Art School, where he became a member of the avant-garde literary and artistic group centered around Harry Graf Kessler.