#OnThisDay in 1961 #CosmicKing debuted in @dc.com #Superman #comics #147 #DrLaevarBolto #AnAlchemistFromVenus whose acquired #transmutationPowers are #DeemedAnEvilAbilityByGovernmentOfficials & he’s #banishedFromVenus alsoSports the #bubbleHelmet #CosmicBoy only wore on #hisCoverDebut #3yearsEarlier