#40YearsAgoToday #JemmSonOfSaturn #comics #1 debuted #psychokinetic short-shifted #MartianManhunter surrogate #Jemm son of #KingJaxx fled #Saturn for #Earth during a #WhiteMartian coup & arrived in #Harlem befriending #LutherMannkin who helped in his search for #hisBeloved #Syrra