#OnThisDay in 1977 #TheInfiniteMan debuted in @dc.com #SuperboyAndTheLegionOfSuperHeroes #comics #233 #30thCenturyMetropolisUniversity #TimeInstitute #professor #JaxonRugarth acts as #testSubject for #TheGalaxysAcknowledgedExpertOnTimeTravel #RondVidar’s #HypertimeMachine turns #malevolentTimeMaster