#OnThisDay in 1961 #HectorHammond debuted in #GreenLantern #comics #5 #pettyThief comes upon #strangeMeteor #kidnapsAGroupOfScientist & exposes them o it evolving them & then #forcesThemToCreateNewInventions he #takesCreditAndProfits later in #JLA #evolvesHimself w #enormousHeadButLimitedMobility