Oil a. sand/canvas, 67,5 x 52,5 cm, lo. le. sign. Sprotte, on the stretcher dat. 1983 as well as titled 'Woge'. - 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.