So in order to visually signify that the character had turned from a badguy to a goodguy they changed his skull from Red to White.
And now in 2014 people are suggesting that this former Nazi would make a good character to lead the class of O5, a typical group of all American youngsters that you might find in any comic book created in the 1960's and teach them how to deal with a persecution and discrimination.
I'm not sure this has been thought through