Even though he could leap tall buildings in a single bound and bend steel in his bare hands, most of Superman's radio adventures were down to earth. In many shows, the Man of Steel (and his alter ego Clark Kent) battled gangsters and swindlers rather than mad scientists and monsters. We'll hear Clayton "Bud" Collyer as Superman with Joan Alexander as Lois Lane in two thirty-minute mysteries: "One Minute to Death" (originally aired on ABC on November 19, 1949) and "The Diamond of Death" (originally aired on ABC on December 17, 1949).