Simone de BeauvoirSimone de Beauvoir (1908-86) was a French philosopher, novelist and essayist, and the lifelong companion of Jean-Paul Sartre. De Beauvoir's first book, L'Invitée, was published in 1943. In 1945 she published Le Sang des autres, anovel dealing with the question of political involvement. De Beauvoir's breakthrough work was the semi-autobiographical Les Mandarins (1954), which won the Prix Goncourt. Roman Catholic authorities banned it and de Beauvoir's feminist classic The Second Sex (1949), in which de Beauvoir argued that "one is not born a woman; one becomes one". Read More Read Less