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Cracking a Medieval Code

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Author:Ivars Peterson (MathTrek)
Description: The first printed book on cryptology was written by Johannes Trithemius (1462-1516), an abbot in Spanheim, Germany, who was one of the leading intellectuals of his day. Bearing the title Polygraphiae libri sex ("Six Books of Polygraphy"), it was published in 1518 after Trithemius's death. The first of the six books contains 384 columns of Latin words, two columns per page. Each word stands for a letter of the alphabet...

Levels: Middle School (6-8), High School (9-12), College
Languages: English
Resource Types: Problems/Puzzles, Articles
Math Topics: History and Biography, Cryptography

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