My relation to Feynman was very much like the relation with Shannon, namely, we shared the same interest in... in gadgets and ideas so... right, we never actually worked on the same thing, but it would be fantastic to have a conversation with him and come away buzzing with... oh, how come I never thought about that, and why didn’t... I don't know what to say. I mean the number of hours we spent together really wasn’t very large, but every... every encounter would... would leave a series of echoes and... again, if I ever thought about a physics question, then I might say: 'What would Feynman say about this?' But, of course, because of those wonderful books that his friends put together from his lectures, you also could usually find... find... what did Feynman say about this? So, they’re these tapes and records and... what’s the name of the...?

[Q] The Feynman Lectures.

The Feynman Lectures. And I’d written a paper about a theory of discrete physics, which was partly based on some of the ideas about cellular automata that Fredkin had. And, Feynman liked those a lot. And so, that’s one chapter in one... one of the books of essays. So, we talked about that a little bit. And it always ended up saying... he would be saying: 'I really should be working on cellular automata... because I don’t believe you can pack an infinite amount of information into a finite amount of space. There’s something... something a little bit wrong with modern physics.' But he said: 'First I have to fix quantum chromodynamics, and I’ve almost got it.'