Clayton Rawson

Clayton Rawson was an American mystery writer, editor, and amateur magician. His novels frequently invoke his great knowledge of stage magic and feature as their fictional detective The Great Merlini, a professional magician who runs a shop selling magic supplies. He also wrote four short stories in 1940 about a stage magician named Don Diavolo, who appears as a principal character in one of the novels featuring The Great Merlini.