Ethel Lilian Voynich, née Boole was a novelist and musician, and a supporter of several revolutionary causes. Her father was the famous mathematician George Boole. Her mother was feminist philosopher Mary Everest, niece of George Everest and an author for the early-20th-century periodical Crank.In 1893 she married Wilfrid Michael Voynich, revolutionary, antiquarian and bibliophile, the eponym of the Voynich manuscript.
See also http://en.wikipedia.org/wiki/Ethel_Li...