Oil/canvas, 81 x 100,5 cm, lo. le. sign. a. dat. F. Kronenberg 54, on the stretcher label of the Deutscher Künstlerbund. - Painter a. graphic artist, studied at the Cologne a. Karlsruhe Academies, 1925 studio in Paris, member of the Hamburg secession, friends with E. Maetzel a. I. Hauptmann, encounters with Braque, Picasso a. Gris in Paris were crucial for his art.