I have seen him on television and Youtube, reading these comments it seems his books are interesting as well.

I very much enjoyed him in the documentary series "A Glorious Accident", the show featuring him was - https://www.youtube.com/watch?v=5_bv7rDB5e8

and the show in the series featuring a round table of him, Stephen Jay Gould, Freeman Dyson, Oliver Sacks and him is https://www.youtube.com/watch?v=RVrnn7QW6Jg