Contribution Of Sophie Germain

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Contributions of Sophie Germain Marie-Sophie Germain was born April 1, 1776, in Paris, France, in a house on rue St. Denis. She was a “French mathematician who contributed notably to the study of acoustics, elasticity, and the theory of numbers” (Encyclopedia Britannica). According to most sources, “her father, Ambroise-Franҫois, was a wealthy silk merchant; however, Mary Gray, chair of the Department of Mathematics and Statistics at American University in Washington, D.C., says that he was a goldsmith”( Encyclopedia Britannica). In 1789, he was elected as a representative of the bourgeoisie to the États-Généraux, which he saw change into the Constitutional Assembly. Gray proposes that after his political career, Ambroise-Franҫois became the director of a bank; at least, the family remained well-off enough to support Germain throughout her adult life. “Marie-Sophie had one younger sister, named Angélique-Ambroise, and one older sister, named Marie-Madeline. Her mother was also named Marie-Madeline, and this plethora of Maries may have been the reason she went by Sophie. Germain's nephew Armand-Jacques Lherbette, Marie-Madeline's son, published some of Germain's work after she died” (Encyclopedia Britannica). When Germain was 13, the Bastille fell, and the revolutionary atmosphere of the city forced her to stay inside. For entertainment she turned to her father’s library. Here she found J.E Montucla’s L'Histoire des Mathématiques, and his story of the death of Archimedes intrigued her. Germain decided that “if geometry, which at that time referred to all of pure mathematics, could hold such fascination for Archimedes, it was a subject worthy of study. So she pored over every math book in her father's library, even teaching herself Latin and Greek so she could read works like those of Sir Isaac Newton and Leonhard Euler. She also enjoyed Traité

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