Charles Simonyi Professor for the Public Understanding of Science and Professor of Mathematics at the University of Oxford.
recommended
There's another book by George Gamow which also turned me on, which is Mr Tompkins in Paperback. It's a set of physics lectures which this guy, Mr Tompkins, goes to and always falls asleep during the lecture and then he dreams he's in a world in which the speed of light is 30 miles an hour so he can see the effects of relativity happening on the streets.
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