Silver Age Origin  
Rocket ace Ian Stannard was known as the Space Man. Accompanied by his 14-year-old sidekick, Space Academy student Johnny Mack, they blasted off from Cape Canaveral in their space ship, the Flyin' Jenny II. This mission was to find and destroy what had prevented Moon exploration for the last decade. They succeed and continue to explore the depths of space.

Ian's girlfriend was Mary Lansing who was also a famous pilot.

Silver Age Appearances  
Space Man #2-10 (9-10 are re-prints)
Four Color Comics #1253

Notes 
While all Four Color and Space Man issues produced before 1964 are public domain since they were not renewed, issue 8 and the re-print issues 9 and 10 of Space Man may be copyrighted.