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Books about Villat:
INSTITUT DE MECANIQUE DE LA FACULTE DES SCIENCES DE PARIS. LE DEVELOPPEMENT MODERNE DE LA THEORIE DE L'HELICE... by Raymond Siestrunck (1947)
Wiki information Villat:
Henri René Pierre Villat was a French mathematician. He was professor of fluid mechanics at the University of Paris since 1927. Villat became a member of the French Academy of Sciences in 1932, and its president in 1948.
Villatuerta is a town and municipality located in the province and the autonomous community of Navarre, northern Spain.