a Czech Classical era composer and violinist. Nearly 150 symphonies are attributed to him, but his authorship is disputed for more than fifty of them since after his death his surname was erased from his works and replaced by names of other authors by intendant of the Regensburg orchestra Theodor von Schacht. Furthermore, many works for wind instruments, tens of solo concertos including 45 for harpsichord and 3 for two horns are attributed to him.
