Starting as a replacement show for Gangbusters and Counterspy, the series premiered December 11, 1957 and it ran until June 13, 1958. Quoting from Astounding Magazine, "Exploring Tomorrow is the first science fiction radio show of science-fictioneers, by science- fictioneers, and for science-fictioneers" The shows were narrated by the editor of Astounding Magazine, John W. Campbell, Jr., with scripts written by Gordon Dickson, Robert Silverberg and many other notable science fiction writers.
 
THIS EPISODE:
The Convict - Poul Anderson (author), John Campbell Jr. (host), Guy Wallace (announcer). 20 minutes.