#OnThisDay in 1961 #HectorHammond debuted in #GreenLantern #comics #5 #pettyThief comes upon a #strangeMeteor & #kidnapsAGroupOfScientist exposesThemToIt evolving them & #forcesThemToCreateNewInventions that heTakesCredit/ProfitsFor later in #JLA evolves himself with #AnEnormousHead &limitedMobility