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

Spencer’s Mountain is a 1963 family film written, directed, and produced by
Delmar Daves from a novel by Earl Hamner, Jr. (The Waltons).

Bob Adkins (Addie Bobkins) interviews Mimsy Farmer and James
MacArthur, of the cast of Spencer’s Mountain, and the Director,
Delmar Daves (1963).

The quiz show You Bet Your Life made the transition from radio, where
it began October 1947, to NBC television on Thursday October 5, 1950
and ran till September 21, 1961. The show’s original host was comedian
Groucho Marx (of the Marx Brothers), with his announcer and assistant
George Fenneman.

Sam Donaldson, retired reporter and ABC-TV news anchor, was in his teens
when this 1952 picture was taken of him behind the microphone at KEPO
radio in El Paso, Texas.