Many great minds in history had invented cryptologic solutions to the challenge of data protection: Julius Caesar devised a code-writing scheme called the Caesar Box; Mary, Queen of Scots created a transposition cipher and sent secret communiqués from prison; and the brilliant Arab scientist Abu Yusuf Ismail al-Kindi protected his secrets with an ingeniously conceived polyalphabetic substitution cipher.
There are no more uses of "Mary, Queen of Scots" in the book.
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I’m supposed to be Mary, Queen of Scots, headless already.
Margaret Atwood -- Cat’s Eye
I just wish you could have been there to hear me recite ’Mary, Queen of Scots.’