Oil/cardboard, 60,5 x 50,5 cm, lo. ri. sign. R. Diener, on the reverse estate stamp. - Painter and 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 and developed from figurative to abstract painting. Mus.: Public coll.: Hamburg (Kulturbehörde). Lit.: Der Neue Rump, Heydorn a. others.