After 1935, oil/wood, 141 x 71 cm, on the reverse inscribed "Cesar Klein Fensterdekoration im Hause Eschenhof/Pansdorf", min. rest. - Important German painter, graphic artist a. stage designer who participated in a. shaped all important movements of avantgarde of the 20th cent., brother of the painter Bernhard K., studied at the Hamburger Kunstgewerbeschule a. at the Unterrichtsanstalt des Kunstgewerbemuseums in Berlin, was board member of the "Deutscher Werkbund", in 1910 he was co-founder of the "Neue Sezession" as well as of the "Novembergruppe", lectured at the Berlin academy, in 1945 he was the first German artist to be exhibited in London. - Mus.: Hamburg, Köln, Kiel a. others. - Lit.: Thieme-Becker, Bénézit, Vollmer, Der Neue Rump, Pfefferkorn "C. K. - Oeuvrekatalog", Haupenthal "C. K. - Metamorphosen" a. others.