Tried and True.

http://writingprompts.tumblr.com/post/17477297690/my-28-most-tried-and-true-writing-prompts
For starters, the question itself is vague. Do these people need to be alive? If so, I would have to find a way to make my mother famous because I would choose her. I could not think of a better person to steer me towards lifes expectancy. On the other hand for my father, my current ones out...hah. It would have to be someone who has the same value system as him. For me, I would say Elvis Presley most resembles my dad. His love for music, and passion for what he does motivates all those that come into contact with him.