Bob Elliott (born 1923) and Ray Goulding (1922-1990). The teams
career spanned five decades. 

Mr. Keen, Tracer of Lost Persons was one of radio’s longest running shows,
airing for 15-minutes on Tuesday October 12, 1937 to April 19, 1955. It was
first heard on the NBC Blue network until 1947, when it switched to the CBS
radio network becoming a weekly half-hour show. Bennett Kilpack (above)
was the original detective Mr. Keen and Phil Clarke took over the role late
in the series run.

Ann Thomas and Bennett Kilpack (1947, CBS)

Cavalcade of America is an anthology drama series that documented historical
events and occasionally presented a musical, such as an adaptation of Show 
Boat. The show was sponsored by the DuPont Company and debuted on 
Wednesday October 9, 1935 and ran till March 31, 1953. DuPont’s motto,
"Maker of better things for better living through chemistry," was read at the  
beginning of each program. It featured numerous Broadway and Hollywood
stars. The show was also on CBS television from 1952 to 1957.   
.

Bill Johnstone and Jeanette Nolan of the Cavalcade of America dramas

Land of the Lost was a 1940s radio fantasy adventure, written and narrated by
pioneer radio commentator Isabel Manning Hewson (below). The show followed
the adventures of two children, Isabel and Billy, who traveled underwater with a
fish named Red Lantern. Hewson launched the series on Saturday October 9,
1943 on the ABC Blue network and aired till July 3, 1948. Art Carney was the
original voice of Red Lantern.

Isabel Manning Hewson

 
The Nelson family from left: Ozzie, David, Harriet and Ricky 

The family sitcom The Adventures of Ozzie and Harriet, created by Ozzie Nelson, 
began on the CBS radio network on Sunday October 8, 1944 with the final show
airing on NBC Radio June 18, 1954. The Nelsons’ sons, David and Ricky, did not 
join the cast until the radio show’s fifth year on February 20, 1949. Prior to that, 
the two boys were played by professional actors. The original announcer of the
show was Jack Bailey (below). The music was by Billy May and Ozzie Nelson.  

Jack Bailey