Emilie du Chatelet
One of the people who came up with the conservation of energy idea.
Gabrielle Émilie Le Tonnelier de Breteuil, Marquise du Châtelet 17 December 1706 – 10 September 1749)
Her wikipedia page is full of famous people who were either her teachers or her friends.
Her book covers a wide range of topics, including the principles of knowledge, the existence of God, hypotheses, space, time, matter and the forces of nature. Several chapters treat Newton's theory of universal gravity and associated phenomena. Later in life, she translated into French, and wrote an extensive commentary on, Isaac Newton's Philosophiæ Naturalis Principia Mathematica.
She is also known as the intellectual collaborator with and romantic partner of Voltaire.
Du Châtelet corresponded with the renowned mathematicians Johann II Bernoulli and Leonhard Euler, early developers of calculus. She was also tutored by Bernoulli's prodigy students, Pierre Louis Moreau de Maupertuis and Alexis Claude Clairaut. Frederick the Great of Prussia, who re-founded the Academy of Sciences in Berlin, was her great admirer, and corresponded with both Voltaire and du Châtelet regularly. He introduced du Châtelet to Leibniz's philosophy by sending her the works of Christian Wolff,
Du Châtelet's education has been the subject of much speculation, and nothing is known with certainty.[12]
Among their acquaintances was Fontenelle, the perpetual secretary of the French Académie des Sciences. Du Châtelet's father Louis-Nicolas, recognizing her early brilliance, arranged for Fontenelle to visit and talk about astronomy with her when she was 10 years old
she was tutored in algebra and calculus by Moreau de Maupertuis, a member of the Academy of Sciences; although mathematics was not his forte, he had received a solid education from Johann Bernoulli, who also taught Leonhard Euler. However by 1735 du Châtelet had turned for her mathematical training to Alexis Clairaut,
Du Châtelet's relationship with Voltaire caused her to give up most of her social life to become more involved with her study in mathematics with the teacher Pierre-Louis Moreau de Maupertuis
In May 1748, du Châtelet began an affair with the poet Jean François de Saint-Lambert and became pregnant.[27] In a letter to a friend, she confided her fears that she would not survive her pregnancy. On the night of 4 September 1749 she gave birth to a daughter, Stanislas-Adélaïde. Du Châtelet died on 10 September 1749 [28] at Château de Lunéville,[29] from a pulmonary embolism. She was 42. Her infant daughter died 20 months later.[30]