"Bossey or Bossey was, according to [Henry] Angelo, who calls him a German, the last of the itinerant quack-doctors who practised and dispensed medicines on a stage. His real name is said to have been Garcia. Reminiscences, i. 102, 414 ; J.T. Smith, Nollekens and his times, 1920, p. 255"-- British Museum, Catalogue, loc. cit.