Mr. Keen, Tracer of Lost Persons
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 his...
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 his...
