person narrator of mystery stories on "Street & Smiths  Detective Story Hour." When fans of the show wrote in asking for  adventures starring The Shadow himself, Street & Smith hired  Walter Gibson (qv), a magician and former ghost writer for  Harry Houdini (qv), to write a monthly series of pulp mystery  novels. "The Shadow Magazine" ran until 1949, and was the most  successful pulp series ever. Beginning in 1937, The Shadow starred  in his own radio show, originally featuring Orson Welles (qv) as  Lamont Cranston and Agnes Moorhead (qv) as Margo Lane. Other  actors later played The Shadow on the radio show, which ran until  1955.