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Mr. Keen, Tracer of Lost Persons

Long-running American mystery series
from archive.org

Mr. Keen, Tracer of Lost Persons was one of radio's longest running shows, airing 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 (as in Anacin, Kolynos Toothpaste, BiSoDol antacid mints, Hill's cold tablets and Heet liniment), Dentyne, Aerowax, RCA Victor and Chesterfield cigarettes. It aired on the NBC Blue network until 1947, when it switched to CBS.

Bennett Kilpack began as Mr. Keen in 1937 with Arthur Hughes and then Phil Clarke stepping into the role later in the series. The kindly Keen and his faithful assistant, Mike Clancy (Jim Kelly), entertained listeners for 18 years. With 1690 nationwide broadcasts, Mr. Keen was the most resilient private detective in a namesake role. The nearest competitors were Nick Carter, Master Detective (726 broadcasts), The Adventures of Sherlock Holmes (657) and The Adventures of the Falcon (473). Only 59 of the 1690 Mr. Keen programs are known to survive.

Richard Leonard directed scripts by Barbara Bates, Stedman Coles, Frank Hummert, Lawrence Klee and Bob Shaw. James Fleming and Larry Elliott were the announcers. Al Rickey's band provided the background music, including the program's theme, "Someday I'll Find You."

  1. The Case of the Woman Who Wasn't Needed (2.8Mb)
  2. The Case of the Moonless Night (10.4Mb)
  3. The Case of the Missing Witness (10.4Mb)
  4. The Case of the Girl Who Sang Too Well (10.3Mb)
  5. The Case of the Girl Who Flirted (10.4Mb)
  6. The Case of the Boy Who Used Big Words (10.2Mb)
  7. The Case of Mr Trevor's Secret (10.4Mb)
  8. The Case of Murder in the Air (10.6Mb)
  9. The Case of the Strange Display (10.1Mb)
  10. The Case of the Leaping Dog (10.4Mb)
  11. The Case of the Woman In Blue (10.6Mb)
  12. The Case of the Frightened Child (10.4Mb)
  13. The Nightmare Murder Case (10.6Mb)
  14. The Case of the Absent Minded Professor (10.1Mb)
  15. The Case of the Glamorous Widow (10.6Mb)
  16. Identical Twins Murder Case (partial) (3.8Mb)
  17. The Case of Murder and The Star Of Death (9.7Mb)
  18. The Case of Murder and The Bloodstained Necklace (10Mb)
  19. The Yellow Talon Murder Case (10.4Mb)
  20. The Case of Murder with a Thousand Witnesses (10.1Mb)
  21. The Case of the Man Who Invented Death (10.3Mb)
  22. The Silver Dagger Murder Case (10.1Mb)
  23. The Case of the Ruthless Murderers (9.9Mb)
  24. The Forgotten Cave Murder Case (10.1Mb)
  25. The Engaged Girl Murder Case (6.8Mb)
  26. The Case of the Rushville Murder (10.1Mb)
  27. The Bride and Groom Murder Case (AFRS) (6Mb)
  28. The Telephone Book Murder Case (10.1Mb)
  29. The Case of Murder and The Jewel Thief (19.1Mb)
  30. The Case of the Two Faced Murderer (10.2Mb)
  31. The Case of the Melody Of Murder (10.2Mb)
  32. The Innocent Flirtation Murder Case (9.7Mb)
  33. The Case of the Murdered Detective (10.2Mb)
  34. The Eccentric Millionaire Murder Case (8.4Mb)
  35. The Country Club Murder Case (10.1Mb)
  36. The Case of the Woman Who Married a Murderer (5.8Mb)
  37. The King Cobra Murder Case (10Mb)
  38. The Case of Murder and The Missing Car (6.8Mb)
  39. The Broken Window Murder Case (10Mb)
  40. The Quicksand Murder Case (10Mb)
  41. The Skull and Crossbones Murder Case (10.1Mb)
  42. The Case of Murder and The Strange Woman (20.3Mb)
  43. The Photograph Album Murder Case (10Mb)
  44. The Case of the Strange Murder Of Carrie Ellis (10Mb)
  45. The Abandoned Well Murder Case (10Mb)
  46. The Poisoned Sandwich Murder Case (7.1Mb)
  47. The Case of Murder At a Mile a Minute (19.8Mb)
  48. The Silver Candlestick Murder Case (10.3Mb)
  49. The Rented Cottage Murder Case (19.7Mb)
  50. The Mother's Plea Murder Case (13.7Mb)
  51. The Shrieking Prisoner Murder Case, Part 1 (5.2Mb)
  52. The Shrieking Prisoner Murder Case, Part 2 (5.3Mb)
  53. The Shrieking Prisoner Murder Case, Part 3 (5.2Mb)
  54. The Shrieking Prisoner Murder Case, Part 4 (5.2Mb)
  55. The Case of Murder and The Revengeful Ghost (9.2Mb)

MP3 files hosted by archive.org.