The Code Book: The Secret History of Codes and Code-breaking

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to break the code and read all the messages sent by the Germans during the war. Historians think that having this inside information shortened the war by two whole years.

Codebreaking Sisters by Patricia Owtram, Jean Owtram Codebreaking Sisters by Patricia Owtram, Jean Owtram

Scott Kim, TED talk speaker, “The Art of Puzzles”, puzzle designer for Discover and Scientific American magazines

Lessons for code-makers

Two well-known code-breaking experts have joined forces and produced a book that takes a very practical look into how one solves historical ciphers, with a lot of useful theory along the way. Bernard: The cipher vehicle was like a mobile classroom because we had two of these Typex machines and they were so big Overall however, codebreaking was a team effort. Before the invention of electronic computers, computer was a job description not a machine. Both men and women were employed as computers but women were more prominent in the field. Yudhijit Bhattacharjee, author of the New York Times bestselling nonfiction thriller, The Spy Who Couldn’t Spell The Ottendorf cipher is presumably named after Major Nicholas Dietrich, Baron de Ottendorf who worked for the British, organising spies in the French

Codes and Code Breaking - NRICH The Secret World of Codes and Code Breaking - NRICH

Cryptography is but a game of secrets — who better than a game developer to walk you through the science, art, and history of this remarkable field?However, Scheidt also noted there was a "change in the methodology" as the Kryptos message progressed—done intentionally to make it increasingly difficult.