The link below will take you to an article about a radio show entitled "Ticket to the Moon", which was an episode of BIOGRAPHY IN SOUND. The show, which discusses that state of the science fiction genre at that time in various media forms, appeared on NBC radio on December 4, 1956. Ray Bradbury is prominently featured among those interviewed for the broadcast, which also includes commentary by Isaac Asimov, John Campbell, Forrest J Ackerman, Arch Oboler, and A.E. Van Vogt. To access the show itself, click on the words "a copy of this 48-minute documentary " which appear early on in the article:

https://www.tor.com/2012/04/12...-of-science-fiction/