Watercolour, 29,5 x 42 cm, lo. ri. sign. Rolf Diener, framed under glass, uninspected out of frame. - Painter a. graphic artist, F. was pupil of A. Illies at the Hamburg Landeskunstschule. He studied again 1948-51 at the 'Baukreis' under A. Fiedler. D. dealt with the most important trends of modernism a. developed from figurative to abstract painting. - Public collections: Hamburg (Kulturbehörde). - Lit.: Rump, Der Neue Rump, Heydorn, Seuphor a. others.