His 1967 book, “The Codebreakers,” introduced the world to cryptology and inspired the emergence of private-sector encrypted communication. By Clay Risen David Kahn, whose 1967 book, “The Codebreakers ...
Britain’s youngest code-breakers, brought to life in a new nonfiction book by Candace Fleming, were normal teenagers: playing pranks, attending dances. By Sarah Lyall Sarah Lyall, the Book Review’s ...
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