What always impresses me about carmack, is that there's only his sheer talent, and you only see nothing else.
I'm going to sound a little judgmental, but you don't often hear him talk about work politics or non-technical stuff, it can be a little curious. I really wonder if he ever talks about his personality or his younger years at all, or if he learned something when thinking back about it. Has he ever given his opinion or talked about this type of stuff?
I wonder if he has ever planned to write a programming or non-programming book, or anything else other than code.