1894–1942. Czech composer. in the Weimar Republic Modernism tradition.

Czech-German composer active in the Weimar era, blending jazz idioms with modernist techniques. Victim of the Nazi regime; classified as a degenerate artist. Often grouped with Hindemith and contemporaries. Moderate catalog presence, niche but growing recognition.

Signature works: Piano Concerto No. 1, Op. 15, Five Pieces for String Quartet, String Sextet, Hot Sonata for Alto Saxophone and Piano, Suite for Chamber Orchestra.