Gabrielle Émilie Le Tonnelier de Breteuil, Marquise du Châtelet was a French natural philosopher and mathematician from the early 1730s until her death due to complications during childbirth in 1749. Wikipedia
Born: December 17, 1706, Paris, France
Died: September 10, 1749 (age 42 years), Lunéville, France
Siblings: Charles-Auguste, René-Alexandre, and Elisabeth-Théodore
Influenced by: Isaac Newton, Gottfried Wilhelm Leibniz, and Willem 's Gravesande