From 1903 , he taught at the Kunstgewerbeschule in Düsseldorf , from 1913 to 1938 in Munich , during 1920/1 also in Zürich .
From 1903 , he taught at the Kunstgewerbeschule in Munich , from 1913 to 1938 in Düsseldorf , during 1920/1 also in Zürich .