Johann Christoph Pepusch
(1667 - 1752)German-born composer, conductor, and organist. Mainly self-taught expert in theory and history. Settled in London 1704. Played viola and harpsichord in Drury Lane orchestra. One of founders of the Academy of Ancient Music. Organist and composer to Duke of Chandos, 1715-1731. From 1715 composed music for operas and masques at Drury Lane and Lincoln's Inn Theatre. Probably composed overture for Gay's The Beggar's Opera (1728), but there is no evidence that he arranged the airs. Wrote treatise on harmony (1730) and other theoretical books. Read more on Wikipedia.