#onThisDay in 1958 #MirrorMaster debuted in #TheFlash #comics #105 #convict #SamScudder develops technology allowing him to enter mirrors and reflective surfaces & also invents mirror-manipulating tech to torment #TheSilverAgeFlash #BarryAllen #meetsHisEnd #alongWithBarry in #CrisisOnInfiniteEarths💀