1924-1933 | At the zenith - Berlin and Dresden (continued)

The Triptych on "Großstadt" was created in 1927-29 and the "Kriegstriptychon" in 1929-32. Increasing openness toward Old German and Romantic art.

From 1928 increased participation in foreign exhibitions: e.g. 16th and 17th Biennale 1928 and 1930 in Venice, 1928 "International Exhibition of Modern Art" in the Brooklyn Museum, New York, participation in Exhibitions in Paris, Detroit, Amsterdam "Sozialistische Kunst heute", Stedelijk-Museum), Vienna, Zurich and in Norway.

1931 Named full Member of the Preußischen Akademie der Künste Berlin. A high point in his career was attained.