Oil/canvas, 60 x 72,5 cm, lo. ri. dat. a. sign. 12 W. A. Rosam, relined, unframed. - Literature: Cf.: C. Meyer-Tönnesmann: Zwischen Hamburg und Paris. Die Siebelist-Schüler. exh. cat. 2009, ill. p. 45; B. Leismann (ed.): Die große Inspiration. Deutsche Künstler in der Académie Matisse, Teil II. exh. cat. 2000, ill. p. 110. - Provenance: Private collection Hannover. - German painter. R. was taught 1901-04 in the studio of A. Siebelist. As early as 1903 he joined the Hamburgischer Künstlerclub. In 1906 he had a studio in Berlin, in the following year he went to Paris with F. Ahlers-Hestermann u. F. Nölken where he joined circle of artists of the Café du Dome. 1909/10 he worked in the studio of H. Matisse. He was killed in action in the Ukraine in 1916.