Tempera/cardboard, 42 x 32 cm, monogr. a. dat. lo. ri. RD 50, on the reverse estate stamp Rolf Diener as well as old estate label with title, min. pigment losses. - 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).