“ His early education was carried on at Weimar, where his father held the office of court physician to the grand duchess. In 1780 he entered the university of Jena, and in the following year proceeded to Göttingen, where in 1783 he graduated in medicine. After assisting his father for some years at Weimar, he was called in 1793 to the chair of medicine at Jena, receiving at the same time the dignities of court physician and councillor at Weimar. In 1798 he was placed at the head of the medical college and generally of state medical affairs in Berlin. ”