Oil/canvas, 75 x 100 cm, lo. le. sign. C. Arp, on the stretcher inscribed 'Morteratschgletscher'. - German landscape painter. A. studied at the Weimar academy under Th. Hagen a. L. v. Kalckreuth, followed by a sojourn of several years in Italy. Thereafter he worked in Kiel a. Weimar where he became professor. He exhibitied in Munich, Berlin a. Düsseldorf. - Mus.: Kiel, Danzig, Weimar. - Lit.: Thieme-Becker, Vollmer, Bénézit a. others.