Cover art for Unsolved!
Published
Princeton University Press, June 2019
ISBN
9780691192291
Format
Softcover, 640 pages
Dimensions
23.5cm × 15.6cm

Unsolved! The History and Mystery of the World's Greatest Ciphers from Ancient Egypt to Online Secret Societies by

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A mathematical tour of some of the greatest unsolved ciphers of all time

In 1953, a man was found dead from cyanide poisoning near the Philadelphia airport with a picture of a Nazi aircraft in his wallet and an enciphered message taped to his abdomen. In 1912, a book dealer named Wilfrid Voynich came into possession of an illuminated cipher manu

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