#OnThisDay in 1972 #DoctorMoon debuted in #Batman #comics #240 #mercenarySurgeon employed by #RasAlGhul who #believedHeCouldAttainImmortality by #ConnectingAHumanBrainToAComputer later #DrCyber sought his deft skills to #swapBrains with #WonderWoman & he’s eventually added on staff at #SuicideSquad