Madame Du Châtelet at her desk, detail, Maurice Quentin de La Tour

Depicted person: gabrielle émilie le tonnelier de breteuil, marquise du châtelet (1706-1749), french mathematician and physicist. Object Type: painting. Date: 18th century. Dimensions: height: 120 cm (47.2 in); width: 100 cm (39.3 in). Medium: oil on canvas. Collection: Private collection, Choisel, château de Breteuil. Emilie Chatelet portrait by Latour