Gummo Marx a number of writers, and was well respected as a businessman. He rarely required contracts, believing that if the people he represented liked his work, they would stay with him; and if not, would seek representation elsewhere. Around the time he left his brothers' Vaudeville act, Marx applied for a patent for a clothes packing rack. On October 28, 1919, Marx was granted patent US1320335A. Gummo may have received his nickname because he had a tendency to be sneaky backstage, creeping up on others like a "gumshoe" (detective). Another explanation cited by biographers and family members is that Milton, the
Karl Marx in film Marx's book "Das Kapital" was never realised, although in more recent years the German film director and author Alexander Kluge completed a lengthy homage to Eisenstein's unrealised film entitled "News from Ideological Antiquity: Marx – Eisenstein – Das Kapital". In the 1960s French new wave directors, notably Jean-Luc Godard, used Marxist themes in their work, including in the films "Week End", "La Chinoise" and "Tout va bien". In the 1970s the Serbian director Dušan Makavejev made films which were critical and/or satirical of Marx and Marxist ideology. The Young Karl Marx by the Haitian director Raoul Peck released in 2017