Personally, I go Ken Mattingly. The guy faced adversity (the German Measles incident) but never gave up, providing valuable assistance to the Apollo 13 crew and eventually getting to the moon himself on Apollo 16.
Wow, what a response, you guys are awesome! I wish I had enough to give all of you but I just have the one copy, so here we go, rolling from 2-53, good luck!
Congratulations Pete York, please PM me with where to send your prize!