Wilfrid Michael Voynich (1865–1930), Polish revolutionary, discoverer of the Voynich manuscript, husband of Ethel
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Voynich manuscript, a mysterious undeciphered document from the 1400s, named after its re-discoverer, Wilfrid Voynich
Tiltman undertook an analysis of the ancient manuscript himself, and then in the 1970s he assigned an NSA cryptanalyst named Mary D'Imperio to take over the Voynich cryptanalysis, when Friedman's health began to fail.