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Mr. Keen, Tracer of Lost Persons

Description

Mr. Keen, Tracer of Lost Persons was a long-running American radio drama from 1937 to 1955, produced by Frank and Anne Hummert.

Mr. Keen, Tracer of Lost Persons was an American radio drama which aired October 12, 1937 to April 19, 1955, continuing well into the television era. It was produced by Frank and Anne Hummert, who based it upon Robert W. Chambers' 1906 novel The Tracer of Lost Persons. The sponsors included Whitehall Pharmacal, Dentyne, Aerowax, RCA Victor and Chesterfield cigarettes. It aired on the NBC Blue network until 1947, when it switched to CBS, and was one of the longest-running American shows of the old time radio era.

Wikipedia. CC BY-SA 4.0. Updated May 12, 2026.

Showtimes

Original schedule

  1. 1937–19427:15 PM ET
    NBC Blue Network · evening
    SuMoTuWeThFrSa
  2. 1942–19437:45 PM ET
    CBS Radio Network · evening
    SuMoTuWeThFrSa
  3. 1943–19477:30 PM ET
    CBS Radio Network · evening
    SuMoTuWeThFrSa
  4. 1947–19488:30 PM ET
    CBS Radio Network · night
    SuMoTuWeThFrSa
  5. 1948–19518:30 PM ET
    CBS Radio Network · night
    SuMoTuWeThFrSa
  6. 19519:30 PM ET
    NBC Radio Network · night
    SuMoTuWeThFrSa
  7. 1951–19528:30 PM ET
    NBC Radio Network · night
    SuMoTuWeThFrSa
  8. 19529:30 PM ET
    CBS Radio Network · night
    SuMoTuWeThFrSa
  9. 19528:00 PM ET
    CBS Radio Network · night
    SuMoTuWeThFrSa
  10. 1952–19548:00 PM ET
    CBS Radio Network · night
    SuMoTuWeThFrSa
  11. 1954–195510:00 PM ET
    CBS Radio Network · night
    SuMoTuWeThFrSa
  12. 19548:00 PM ET
    CBS Radio Network · night
    SuMoTuWeThFrSa
  13. 19558:30 PM ET
    CBS Radio Network · night
    SuMoTuWeThFrSa
  14. 19558:00 PM ET
    CBS Radio Network · night
    SuMoTuWeThFrSa

Images

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

Broadcasts