Hal Sharp 42-43 In Sensation #2, the girl Mr. Terrific helped in #1 , Wanda Wilson, showed up and proved that masks aren't all they're made out to be.  She stuck around till the end of the series.

Chuck Winter filled in for Hal Sharp on a few early stories in 1942-43: Sensation 9,10,11,12,14. Stan Asch 43-47 Sensation 23 to the end