A violinist and composer, born at Bonn; was in his youth attached, to the court of Prince Henry of Prussia, at which time he wrote some operas; came to London, and is remembered for the great stimulus he gave to musical culture, and especially the study of Haydn in England by his Philharmonic Concerts and production of that great master's symphonies; composed songs, glees, violin pieces, &c.; buried in Westminster Abbey (1745-1815).