#OnThisDay in 1972 @dc.com #SwampThing #comics #1 debuted #LenWein #BernieWrightson’s variation of their #HouseOfSecrets #coverFeatureHorrorTale #fromAYearEarlier introducing #scientist #AlecHolland whoFallsToSabotage burnedAndBathed in #bioRestorativeFormula heWasWorkingOn & rises #anEarthElemental