Conversation so far:
What was Orson Welles' first project in radio?
In addition to being a repertory player on The March of Time, in the fall of 1936 Orson Welles adapted and performed Hamlet on CBS Radio's Columbia Workshop.
How much did Orson Welles make while doing radio?
Between 1935 and 1937 Orson Welles was earning as much as $2,000 a week, shuttling between radio studios at such a pace that he would arrive barely in time.
Which studios did Orson Welles perform for?
Orson Welles worked for CBS radio as well as The Mutual Network.
What was the name of one show Orson Welles did?
Orson Welles created and sponsored The Mercury Wonder Show for Service Men. It was a magic-and-variety stage show by Mercury Theatre for US soldiers in World War II.
Which show was Orson Welles most famous for?
Orson Welles' radio series gave the platform to find international fame as the director and narrator of a radio adaptation of H. G. Wells's novel The War of the Worlds.
Why was The Mercury Theatre series so important?
In 1938, his radio anthology series The Mercury Theatre caused widespread panic because many listeners thought that an invasion by extraterrestrial beings was actually occurring.
What was the most interesting thing that happened during the time around which Orson Welles read from War of the Worlds?
Orson Welles' work was disparagingly mentioned by Adolf Hitler in a public speech.
Was Les Miserables successful?
Marking the radio debut of the Mercury Theatre, Welles's Les Misérables was described by biographer Simon Callow as one of his earliest, finest and most serious achievements on radio.
What other successful programs did Orson Welles write or perform in besides Les Miserables?
His first film, Citizen Kane, is consistently ranked as one of the greatest films ever made, which he co-wrote, produced, directed and starred in as Charles Foster Kane.
How was The Shadow received by the public?
The Shadow radio series became so successful that The Shadow Magazine had to be made to appease the high demand of the fanbase.

Question: When did his radio career end?
Self-contained rewrite: When did Orson Welles radio career end?