Du Châtelet-Lomont, Gabrielle Émilie le Tonnelier de Breteuil, marquise
Du Châtelet-Lomont, Gabrielle Émilie le Tonnelier de Breteuil, marquise gäbrēĕl´ āmēlē´ lə tōnəlyā´ də brətö´yə märkēz´ dü shätəlā´-lōmōN´ [key], 1706–49, French mathematician and physicist. Greatly interested in the ideas of Sir Isaac Newton , she helped to propagate them in France and translated his Principia Mathematica, which was published posthumously in 1756. Her companion in her work was Voltaire , who lived at her chateau at Cirey (Cirey-sur-Blaise), for 15 years before her death.
See biography by J. P. Zinsser (2006); N. Mitford, Voltaire in Love (1958).
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