(b. 1725, Berlin, d. 1797, Berlin)
German painter, draughtsman and etcher. He was a pupil of Antoine Pesne at the Academy of Arts in Berlin. In 1748 he went to Paris and later on he visited Rome and Venice. In 1754 he returned to Berlin where he founded a private art school. In 1757 he became a member and in 1782/83 director the Academy of Arts in Berlin.