Superman (Earth-One) details on the Earth-One Superman's origin and childhood/teenage years, see Superboy (Kal-El)." The Earth-One Superman's origin story was retold in various stories; the most prominent retellings were in "Superman" (volume 1) #146 (July 1961), "Limited Collectors' Edition" #C-31 (November–December 1974), and "Action Comics" #500 (October 1979). As recounted in these retellings, Superman was born Kal-El on the planet Krypton. Upon learning of Krypton's imminent destruction, his father Jor-El and mother Lara sent Kal-El in an experimental rocket to Earth moments before the planet exploded. Landing outside of the town of Smallville, Kal-El was found and adopted by an elderly farm
Superman Planet", who is friends with both Superman and Clark Kent, though in most stories he doesn't know that Clark is Superman. Jimmy is frequently described as "Superman's pal", and was conceived to give young male readers a relatable characters through which they could fantasize being friends with Superman. In this sense, he serves a similar function to Robin from Batman fiction. In the earliest comic book stories, Clark Kent's employer is George Taylor of "The Daily Star", but the second episode of the radio serial changed this to Perry White of the "Daily Planet". Perry White does not know Clark