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) several DC characters continuously published throughout the 1950s, there isn't a clear dividing line between the Earth-One and Earth-Two versions of Superman. Several stories published before the mid-1950s took place on Earth-One, such as "Superman" (volume 1) #78 from September–October 1952, the first appearance of the adult Lana Lang in Superman comics. Also, any Superman stories published before the mid-1950s that featured or mentioned Superboy also took place exclusively on Earth-One, as the Earth-Two Superman, per the earliest Superman comics, never had a Superboy career. The Earth-One Superman's first appearance in comics was in "Superman" (volume 1) #46 (May 1947),