You're right. I don't know anyone else who could explain complicated scientific concepts to ordinary people like he could. I don't have a background in maths and I thought I'd never have any comprehension of things like quantum mechanics but he uses analogies so that lay people can get an idea of what it all means without having to know maths.
If you want a good read about his life in science, and if you haven't read it already, I can recommend his book, "Surely You're Joking, Mr. Feynman"; Adventures of a Curious Character.
I'm sure you'll love it.
Thanks for posting the video.