TheCodeBreakers
It ignored this
important contribution and instead named a regressive and elementary
cipher for him though he had nothing to do with it. And so strong is the
grip of tradition that, despite modern scholarship, the name of Blaise de
Vigenere remains firmly attached to what has become the archetypal
system of
polyalphabetic substitution and probably the most famous cipher
system of all time.
Vigenere was born in the village of Saint-Pourcain, about halfway
between Paris and Marseilles, on April 5, 1523. At 24, he entered the
service of the Duke of Nevers, to whose house he remained attached the
rest of his life, except for periods at court and as a diplomat. In 1549, at
26, he went to Rome on a two-year diplomatic mission.
It was here that he was first thrown into contact with cryptology, and
he seems to have steeped himself in it. He read the books of Trithemius,
annaabi.ee 
