Watercolour, 50,5 x 66 cm, lo. ri. sign. a. dat. S. Sprotte 46, mounted on cardboard a. in passepartout, unframed. - Painter a. drawer with background of philosophical aesthetics. S. was pupil of E. Orlik in Berlin and K. Hagemeister in Werder/Havel. He worked a. 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.