sentences:  In 1836 he worked as a professor at the Lyceum in Salzburg, returning to Vienna the following year as primary surgeon at the general hospital.In 1841 he became an associate professor in Vienna, where in 1842, he was appointed head of the second surgical clinic.In Vienna, he was a colleague of physician Joseph Škoda (1805–1881), and an instructor to Austrian-American dermapathologist Carl Heitzmann (1836–1896).