The Adventures of Superman (radio) twice a week on June 5, 1950, continuing on ABC until March 1, 1951. In all, 2,088 original episodes of "The Adventures of Superman" aired on American radio. Created by Jerry Siegel and Joe Shuster, the Man of Steel first appeared in "Action Comics" #1 in 1938. The following year, the newspaper comic strip began and four audition radio programs were prepared to sell "Superman" as a radio series. When Superman was first heard on radio less than two years after the comic book appearance, the character took on an added dimension with Bud Collyer in the title role. During
Superman (Earth-One) the first time Superboy was referenced in a Superman story. The Earth-One Superman's first appearance (in a flash-forward) in a Superboy story was in "Superboy" (volume 1) #1 (March–April 1949). This version of Superman remained in publication through 1986. After the 1985-86 miniseries "Crisis on Infinite Earths", the Earth-One Superman was written out of continuity with the 1986 John Byrne miniseries "The Man of Steel". However, the Earth-One Superman was given a send-off in the final, noncanonical-to-Earth-One "imaginary" story "Whatever Happened to the Man of Tomorrow?" in "Superman" (volume 1) #423 (September 1986) and "Action Comics" #583 (September 1986). "For