Download or read book Mr. Keen, Tracer of Lost Persons written by Jim Cox and published by McFarland. This book was released on 2015-06-14 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: That "kindly old investigator," Mr. Keen, sought missing persons and unraveled crimes longer than any other fictional detective ever heard or seen on the air. For 18 years (1937-1955) and 1690 nationwide broadcasts, Keen and his faithful assistant Mike Clancy kept listeners coming back for more. The nearest competitor, Nick Carter, Master Detective, ran for 726 broadcasts. This definitive history recounts the actors and creators behind the series, the changes the show underwent, and the development of the Mr. Keen character. A complete episode guide details all of the program's 1,690 broadcasts.