Andy Hertzfeld, one of the original heroes of the Apple Macintosh team, was the first interviewee on Robert Cringely's NerdTV. The most striking thing about it is what a nice person Hertzfeld seems to be. No ego, lots of insight, lots of passion. No aggresion. It helps that Cringely and Hertzfeld really click.
(here's a transcript, but you'll miss the fun of listening to Hertzfeld)