|All-American Comics #19|
All-American Comics v1 #19, 1940 – Small in stature and miserable because of it, Al Pratt befriends an old boxing trainer down on his luck. He offers to help him build up his muscles into fighting shape. Al exceeds expectations, achieving almost super-human strength. In his key first appearance, the golden age Atom foils a kidnapping attempt prior to donning a new costume and persona. This origin story backs up the main Green Lantern feature. See more All-American Comics.