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Graham Farmelo also wrote The Strangest Man: The Hidden Life of Paul Dirac, Mystic of the Atom [0] which I thoroughly enjoyed reading. It's not very technical, which is sometimes a nice attribute in these sorts of biographies, but it covers the science as it develops, if a little too briefly. [0] http://www.amazon.com/The-Strangest-Man-Hidden-Mystic/dp/046...
> covers the science as it develops, if a little too briefly. Most biographies of scientists focus on their character and personal life rather their work. There are very few technical biographies, even of highly technical people. Readers won't understand the work of the scientist any better after reading through one of them. Quantum Man[0] by Lawrence Krauss specifically aims to be a solution to this regarding Richar…
http://www.amazon.com/Dirac-Scientific-Biography-Helge-Kragh...