[1] He was a student of Lambert-Sigisbert Adam and, beginning in 1775, worked as a modeller at the Royal Porcelain Factory, Berlin.
His first exhibition came in 1786 with statuettes of Frederick the Great and Kurt Christoph Graf von Schwerin, the success of which enabled him to leave the factory.
Following Frederick's death, a competition to create his monument ensued among the sculptors of Berlin.
Johannes Eckstein (who had made the King's death mask) favored showing him dressed as a Roman Emperor.
His brother, Paul Joseph, and his son Karl Wilhelm were both portrait painters.