Johann Gottlieb Janitsch
Janitsch was born in Schweidnitz, Silesia. He studied music in Schweidnitz and Breslau. In 1733, he went to Berlin to become a secretary to Franz Wilhelm von Happe. In 1736, Crown Prince Frederick invited Janitsch to his orchestra in Ruppin and Rheinsberg. In 1738, he founded the first musical academy in Prussia. Every Friday, Janitsch and his musician friends met and played music.