Alan Turing: the enigma 
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Very detailed and well researched biography.  Goodreads
Informative.... but so hard to read!  Goodreads
Reads like a college research paper.  Goodreads
Review: Alan Turing: The Enigma
User Review  Jim Talbott  GoodreadsThis is a very enjoyable book, and the author's position as both an early gay rights activist and mathematical physicist allow him to ably describe both the scientific and personal parts of Turing's ... Read full review
Review: Alan Turing: The Enigma
User Review  Jennifer Singleterry  GoodreadsI just couldn't do it, I had to give up on this book. Too much math and science, not enough narrative. Read full review
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