Austrian painter. He attended the Academy of Fine Arts in Vienna. From 1772 until about 1776, he was one of a group of artists provided with a pension. He was also one of the first Academy artists awarded a scholarship to Rome. He specialized in portraits and religious subjects. From 1785 he taught at the Vienna Academy of Fine Arts for 32 years, where his students included - among others - Moritz Michael Daffinger, Peter Fendi, Friedrich von Amerling, Johann Baptist von Lampi and Ferdinand Georg Waldmüller. The classes consisted mainly of drawing lessons. //