Hm...depends on your definition of famous, I guess. Todd Haberkorn is pretty famous. Met Majel Barrett for all of five minutes once. Several authors who I consider pretty awesome people: Lois McMaster Bujold and Patricia Briggs especially...RA Salvatore was a hoot. Tamora Pierce...has to be experienced :-) (Really! She does, I insist!).

I vaguely recall Slim Pickins walking into my grandparent's house when I was little, he was a friend of my granddad's.

Hm...