Ink drawing, 70,5 x 50 cm, lo. middle sign. a. dat. Siegward Sprotte 96, matted a. framed under glass, uninspected out of frame. - 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.