According to
The New Penguin Dictionary of Music, Carl Ditters von Dittersdorf [Ditters was originally his surname] was an Austrian violinist and composer, in service to various noble patrons; friend of
Joseph Haydn and
Wolfgang A. Mozart. Composed symphonies, string quartets, church music, etc; also operas including
Doctor and Apothecary and
The Merry Wives of Windsor.