I can't remember where, but somewhere in my news reader I found a link to this video. It's a panel of Ed Catmull, Alvy Ray Smith, Andrew Stanton, and Brad Bird, talking about the origins of computer animation (and consequently Pixar), and much more. It's long, but if you have an hour to kill sometime this weekend, come back and watch it! Watch it in shifts if you have to, but it's really great.
Brad Bird is the craziest animator I've seen :P He's sort of like Robin Williams in the spontaneous way of how he talks. I can't help but crack up whenever I see him interviewed! In some ways I can imagine how hard it must be to work under him, I'm sure he's every bit as picky as Walt Disney was. On the other hand, I can see his talent as a director by how he communicates his thoughts with such specificity and physicality. The guy knows how to communicate a story, whether it's The Iron Giant or the meal he ate last week.