James Judson Harmon (21 April 1933 – 16 February 2010), better known as Jim Harmon, was an American short story author and popular culture historian who wrote extensively about the Golden Age of Radio. He sometimes used the pseudonym Judson Grey, and occasionally he was labeled Mr. Nostalgia. During the 1950s and 1960s, Harmon wrote more than 50 short stories and novelettes for Amazing Stories, Future Science Fiction, Galaxy Science Fiction, If, The Magazine of Fantasy & Science Fiction, Venture Science Fiction Magazine and other magazines.
