Oil/cardboard, 39 x 49,5 cm, lo. le. sign. a. dat. Sprotte 57, on the reverse titled 'Sturm' as well as confirmation of Cosmea Sprotte from 2008. - 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.