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Mr Keen Tracer of Lost Persons
Mr Keen Tracer of Lost Persons cover

1940–1955

1940–1955

Mr Keen Tracer of Lost Persons

68

Surviving broadcasts

1940–1955

Years on the air

16

Seasons represented

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Source collection: OTRR_Mr_Keen_Tracer_Of_Lost_Persons_Singles

The shape of the run

Every dated survivor plotted against the years the series was on the air. The gaps are the lost broadcasts.

The shape of the run

What survives, year by year

35 dated broadcasts across 16 years on the air, with 4 years where nothing is known to survive. Brightness is transfer quality; empty cells are months lost to time.

JFMAMJJASOND
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
Clean transferListenableRough but complete No surviving recording

The surviving run

68 of 68 shown

Transmission

9 May

No. 1

1940

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (0405)

Running time

13 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

30 May

No. 2

1940

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (0414)

Running time

12 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

5 June

No. 3

1940

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (0416)

Running time

12 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

17 May

No. 4

1941

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (0552)

Running time

15 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

6 January

No. 5

1944

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (0966)

Running time

28 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

13 January

No. 6

1944

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (0967)

Running time

30 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

20 January

No. 7

1944

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (0968)

Running time

30 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

3 February

No. 8

1944

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (0970)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

10 February

No. 9

1944

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (0971)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

17 February

No. 10

1944

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (0972)

Running time

30 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

24 February

No. 11

1944

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (0973)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

16 March

No. 12

1944

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (0976)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

13 April

No. 13

1944

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (0980)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

15 June

No. 14

1944

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (0989)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

16 November

No. 15

1944

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1012)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

14 December

No. 16

1944

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1016)

Running time

30 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

15 March

No. 17

1945

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1029)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

29 November

No. 18

1945

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1066)

Running time

27 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

23 May

No. 19

1946

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1091)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

28 October

No. 20

1948

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1210)

Running time

16 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

9 June

No. 21

1949

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1242)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

15 September

No. 22

1949

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1256)

Running time

27 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

22 September

No. 23

1949

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1257)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

29 September

No. 24

1949

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1258)

Running time

28 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

6 October

No. 25

1949

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1259)

Running time

28 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

13 October

No. 26

1949

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1260)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

27 October

No. 27

1949

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1262)

Running time

28 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

3 November

No. 28

1949

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1263)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

10 November

No. 29

1949

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1264)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

5 January

No. 30

1950

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1272)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

19 January

No. 31

1950

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1274)

Running time

25 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

26 January

No. 32

1950

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1275)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

9 February

No. 33

1950

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1277)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

16 February

No. 34

1950

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1278)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

23 February

No. 35

1950

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1279)

Running time

14 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

9 March

No. 36

1950

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1281)

Running time

28 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

16 March

No. 37

1950

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1282)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

6 April

No. 38

1950

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1285)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

13 April

No. 39

1950

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1286)

Running time

24 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

20 April

No. 40

1950

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1287)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

27 April

No. 41

1950

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1288)

Running time

24 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

4 May

No. 42

1950

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1289)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

11 May

No. 43

1950

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1290)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

25 May

No. 44

1950

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1292)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

1 June

No. 45

1950

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1293)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

15 June

No. 46

1950

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1295)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

22 March

No. 47

1951

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1335)

Running time

24 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

20 July

No. 48

1951

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1352)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

27 July

No. 49

1951

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1353)

Running time

30 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

3 August

No. 50

1951

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1354)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

10 August

No. 51

1951

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1355)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

17 August

No. 52

1951

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1356)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

6 December

No. 53

1951

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1372)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

13 March

No. 54

1952

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1386)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

3 April

No. 55

1952

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1389)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

10 April

No. 56

1952

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1390)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

24 October

No. 57

1952

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1418)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

7 November

No. 58

1952

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1420)

Running time

30 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

21 June

No. 59

1954

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1505)

Running time

14 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

23 June

No. 60

1954

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1506)

Running time

14 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

25 June

No. 61

1954

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1509)

Running time

14 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

22 February

No. 62

1955

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1662)

Running time

29 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

24 June

No. 63

1955

Mr Keen Tracer of Lost Persons

Mr Keen, Tracer of Lost Persons (1507)

Running time

14 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

1950 · year only

No. 64

Mr Keen Tracer of Lost Persons

Old Time Radio Researchers Introduction

Running time

3 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

1950 · year only

No. 65

Mr Keen Tracer of Lost Persons

Introduction

Running time

2 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

1950 · year only

No. 66

Mr Keen Tracer of Lost Persons

Frank & Anne Hummert Producers

Running time

1 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

1950 · year only

No. 67

Mr Keen Tracer of Lost Persons

Arthur Hughes Biography

Running time

2 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

Transmission

1950 · year only

No. 68

Mr Keen Tracer of Lost Persons

Bennet Kilpatrick Biography

Running time

3 min

When Mr. Keen, Tracer of Lost Persons first debuted over the Blue Network on October 12, 1937, the show’s title accurately described Keen’s stock-in-trade; the “kindly old investigator” tracked down individuals who had mysteriously vanished, leaving behind their families, homes, jobs and other day-to-day activities. Keen (he never had a first name, unless it was “Peachy”) was assisted in these duties by an Irishman named Mike Clancy. Mike wasn’t much of a brainiac (the quote that comprises the title of this post was a semi-catchphrase that he seemed to use on the show every week) but he could use…

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