TheCodeBreakers
polyalphabetics with mixed alphabets, enciphered code, and cipher
devices. The book is also one of the most scholarly on cryptology. Its
footnotes cite most classical and many modern sources; comments such
as "This is not the only historical or
bibliographic error for which the Austrian writer must be reproached"
show how carefully the author has studied those sources.
Its author was born Jean-Guillaume-Hubert-Victor-Frangois-
Alexandre-Auguste Kerckhoffs von Nieuwenhof on January 19, 1835, at
Nuth, Holland. After getting degrees in letters and in science from the
University of Liege, he was hired in 1863 as an instructor in modern
languages at the high school at Melun, a large town 25 miles southeast
of Paris. The next year he married a girl from the area and in 1865, when
he was 30, they had their only child, a daughter, Pauline. He stayed at
Melun for 10 years, teaching English and German.
annaabi.ee 
