Alan Turing: the enigmaThe story of Alan Turing, World War II's secret hero, whose brilliant mathematical work resulted in the "Enigma" machine which broke the German military code and gave the Allied forces advance knowledge of German military movements 
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Incredibly detailed and well researched.  Goodreads
Informative.... but so hard to read!  Goodreads
Very detailed and well researched biography.  Goodreads
The writing was well done.  Goodreads
Solid. Deeply researched.  Goodreads
It's well written and well researched, but boring.  Goodreads
Review: Alan Turing: The Enigma
User Review  Jenny  GoodreadsWow. This was an expansive biography, deeply researched. I will need to ruminate a bit more before giving a fuller review. Read full review
Review: Alan Turing: The Enigma
User Review  Peter Carey  GoodreadsI enjoyed parts of this book, but it gets bogged down in mathematics and it's history. I am sure that there are many readers like me whose eyes glazed over when the author wrote for page after page ... Read full review
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