dick feynman's idea of proof was to find an example of a mathematical proof. he had so much insight that he could pick two examples that they could test it at every week point -- weak point, and mere mortals had to actually prove it. when we grumbled, as i sometimes did, that his proofs were not rigorous, he would say, "do you know what rigor mortis means? it means died of too much rigor." one way of explaining how it was with dick feynman is that you could go to his lectures, and they were magnificent, but you could know more learn how to do physics that way then you could learn to dance by watching him be a ballerina. it just cannot be done. exposure to neutrons. i was working on theories, so i didn't have any exposure to neutrons at all. other people in the laboratory who were doing experimental work often took risks that nobody would accept except under the pressure of war. i mean, after all, other young men like us were in the trenches in france, and they did experiments that today would be considered insanely dangerous. the most extreme example was louis

feynmanrking for take -- feynman on a trivial level. he needed to do numerical calculations that involved very .aborious hand calculation i did that for him, a lot. had the kind of electronic pocket calculator that you can buy today for $50, he would not have needed me at all. luckily for me, he did not have a. i have opportunity of being with time.ts and lots of the it was fascinating. it was wonderful. i don't think i did so much for him. >> tell us about him. feynman was different from anyone else i had ever met. i met many great physicist. he was a very intuitive person. he looked at everything in a different way. his way was always clear and better than the way you would have thought by yourself. were there is clear. the minute he said it, you can see exactly how you should do that. it was absolutely impossible to imitate him. when i was aain student at cornell. he was one of my professors. himcan learn physics from wonderfully. you got all of these great insights. you could not learn to do physics like that because only he could d

feynmane had -- if digg had had the kind of electronic pocket calculator that you can buy today for $50, he wouldn't have needed me at all. luckily for me, he didn't have that. and so i had the opportunity of being with them just lots and lots of the time, and it was fascinating, it was wonderful. ms. kelly: tells about him. mr. peshkin: well, he was different from anybody else i ever met. and i met many very great physicist. he was a very intuitive person. he looked at everything in a different way. his way was always clear and better -- clearer and better than the way you would've thought of by yourself. the keyword there is clearwe. -- clearer. it was absolutely impossible to imitate him. i knew him again when i was a student" now, and he was one of my professors with whom i interacted a lot. and, boy, you could learn physics from him wonderfully. you got all these great insights. but you couldn't learn to do physics like that because only he could do that. his idea of a proof was to give two examples of a mathematical proof. he had so much insight that he could take those two exampl