Name That Person contest

That's right, it's time for another test of pop culture skill. The winner gets...absolutely nothing, except a shout-out from the Queen.

These are very old pictures of a somewhat famous person, perhaps not in the milieu with which he is typically associated. So, from 1968, Name That Person:





P.S.: I'm withholding all comments until at least the end of the day, to give everyone a chance to answer. Good luck!