Painter, writer and caricaturist. Studied at the Dresden and Berlin academies. Contributed to satirical periodicals. Came to the Berlin dada movement in 1918. Edited the periodicals "Die Pleite" ("Bankruptcy") together with Wieland Herzfelde; "Jeder sein eigener Fussball" ("Everyman his own Football") with Franz Jung; and "Der blutige Ernst" ("In Bloody Earnest"), with Carl Einstein. On his dada period he wrote in his book "Art In Danger": "Civilian again, I experienced in Berlin the rudimentary beginnings of the dada movement, the start of which coincided with the ‘swede’ period of malnutrition. The roots of this German dada movement were to be found in the recognation that it was perfectly crazy to believe that the spirit, or anything spiritual ruled the world…