Born in Cologne, Germany 1894, died in Cologne 1933; graphic artist, painter and sculptor; participated in the Gruppe Progressiver Künstler in Cologne; member of the Anti-Kriegs-Kreis; published graphic work for the first time in 1917 in Die Aktion; cofounder of the Cologne section of the Berliner Arbeitsrat für Kunst in 1918; in contact with Dadaism; published political articles in Die Aktion, Sozialistische Republik and Die Revolution; member of the radical left Allgemeine Arbeiter-Union, Einheitsorganisation (AAUE) in 1920; friend of Gerd Arntz from 1920 and from 1922 he also came into contact with Constantin Brancusi, Theo van Doesburg, Fernand Léger, El Lissitzky, Lazlo Moholy-Nagy, August Sander and Kurt Schwitters; wrote many reviews and articles on art and architecture under the pseudonym Rogkerus from 1927.
From the description of Archives 1919-1923, 1933, 1977-1978. (Unknown). WorldCat record id: 82030693
