Blaise de Vigenère
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Blaise de Vigenère (April 5, 1523 - 1596) was a French diplomat and cryptographer.

He was author of over twenty books including,

• Traicte de Cometes
• Traicte de Chiffres (1585)

In Traicte de Chiffres he described an autokey cipher he had invented, it was the first cipher of this type not to be trivially breakable.

The original article can be found at: http://en.wikipedia.org/wiki/Blaise_de_Vigenère.
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