#OnThisDay in 1942 #TNTAndDanTheDynaMite debuted in @dc.com #StarSpangledComics #7 #costumedCrimefighters #chemistryTeacher #trackCoach #TexThomas & #student #DanDunbar acquire +/- #chargedPowers after working with #radioactiveSalts Tex #createsRings #toKeepTheirPowersDormant #untilTheyComeInContact