1956. Tempera, 69 x 49 cm, lo. ri. sign. and dat. Olderock 56, matted and framed under glass, uninspected out of frame. - Painter, stage designer, weaver andmercial artist. O. studied at the Hamburg school of applied arts under A. Kling and M. Brinckmann. He was member of 'Deutscher Werkbund'. He began with expressionist, cubistic, constructivist and Art Déco works, after World War II he turned to abstract paintings. M.: Bern (Kunstmeum), Mönchengladbach a. others Lit.: Vollmer, Der Neue Rump, Wagner: M. O. - Ein Hamburger Expressionist, 1989.