Simone Lucie Ernestine Marie Bertrand de Beauvoir (UK: /də ˈboʊvwɑːr/, US: /də boʊˈvwɑːr/;[1][2] French: [simɔn də bovwaʁ] (listen); 9 January 1908 – 14 April 1986) was a French author (writer) and philosopher (person who writes about ways of thinking).
She wrote novels (stories in a book), articles about philosophy ways of thinking or ways of living, and politics, biographies (books about other people's lives) and an autobiography (a book about her life).
Her best known books are She Came to Stay and The Mandarins. Her best known writing about ideas is The Second Sex, which was written in 1949. It describes the bad experiences of women in European society, and suggests how women's lives can be improved.