science, awaiting the man who can interpret what is still the most mysterious manuscript in the world. 20. The Anatomy of Cryptology CRYPTOGRAPHY and cryptanalysis are sometimes called twin or reciprocal sciences, and in function they indeed mirror one another. What one does the other undoes. Their natures, however, differ fundamentally. Cryptography is theoretical and abstract. Cryptanalysis is empirical and concrete. *Mrs. Voynich deserves a footnote. Her novel, The Gadfly, has sold more than 2,500,000 copies in translation in the Soviet Union, •where critics revere her as one of the all-time greats in English fiction. The patriotic romance, a best-seller when it was published in England in 1897, is read by most Russian schoolchildren, forms the subject of Soviet doctoral theses, and has been made into a movie and an opera. The Russians think so highly of it that they paid Mrs. Voynich one of the very few royalty fees they ever gave to an American.
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