Watercoloured pencil drawing, 30 x 22 cm, matted a. framed under glass, unopened. - Painter, architect, graphic artist a. sculptor, co-founder of the Hamburg secession a. its chairman until 1933, one of the main exponents of Hamburg expressionism. - Mus.: Hamburg (Kunsthalle), Kiel, Schleswig (SHLM) a. others - Lit.: Thieme-Becker, Vollmer, Rump, Der Neue Rump a. others.