Oil/artist"s board, 40,5 x 30,5 cm, sign. lo. le. R. Diener, on the reverse estate stamp a. adress stamp. - Painter a. graphic artist, since 1910 in Hamburg, studied at the Landeskunstschule under A. Illies, 1948-51 at the "Baukreis" under A. Fiedler, delt with important styles of modernism a. changed from figurative to abstract painting. - Public collections.: Hamburg (Kulturbehörde). - Lit.: Rump, Der Neue Rump, Heydorn, Seuphor a. others.