Steve Jobs - To understand how he inspires people to create such insanely great products.
Bill Gates - Because he would be great to play poker with. Not sure I could take him, but you learn from the butt-kickings as well.
Sir Tim Berners-Lee - To shake his hand and thank him for creating the world wide web.
Congresscritter Ron Paul - Because he's the only national politician in the USA who is worth a damn.
Vince Young - Because he's Vince.