Painter, draftsman and engraver. Exemplifies South German Rococo with highly finished drawings, paintings, and frescoes. Was first trained as a glass painter in Salzburg. In 1773 he settled in Augsburg, and there became a leading painter and draftsman. Best known for his fresco decorations in churches, in particular those at Gertshofen and Eggenhausen near Augsburg. Also known for the hundreds of rococo designs he made for the engravers of Augsburg, then a major publishing center for the decorative arts.