Oil/paper, 49,5 x 36 cm, lower centre signed and dated Sprotte 94, framed under glass, uninspected out of frame. - Painter and draughtsman with background of philosophical aesthetics. S. was pupil of Emil Orlik in Berlin and master student of Karl Hagemeister in Werder/Havel. He worked and lived in Kampen on Sylt, where he became a central figure of artistic life. Mus.: San Francisco (Museum of Modern Art), Shanghai, Moscow, Stuttgart, Husum a. others. Lit.: Vollmer a. others.