#onThisDay in 1972 #DaveCockrum’s art on #TheLegionOfSuperHeroes #was1stPublished in #Superboy #comics #184 his #pencils inked by #hisMentor #MurphyAnderson takes #fullArtChores on #The30thCenturySuperTeam in #191-202 #200 #WeddingOfBouncingBoyandDuoDamsel #artSpread #TheHolyGrail