Collage, 33 x 23,5 cm, lo. ri. sign. a. dat. Thilo 1956, framed under glass, uninspected out of frame. - Autodidactically trained constructivist, who studied further in the studios of W. Kandinsky, P. Klee a. L. Moholy-Nagy at the Bauhaus a. met K. Schwitters, in 1925 he joined the Berlin 'Novembergruppe', in 1927 he exhibited at at the Berlin 'Sturm'-Galerie of Herwarth Walden, during the Nazi era he was held 'degenerate', in 1981 he also exhibited in New York.