Simone de Beauvoir passed away on April 14th, 1986, aged 78. She was born on January 9th, 1908 in Paris, France. A world-renowned philosopher, writer, and political activist, de Beauvoir was an integral part of the existentialist movement of the 1940s and 50s. She is best known for her works The Second Sex, an examination of the societal constraints placed upon women, and The Ethics of Ambiguity, in which she developed a moral framework based on autonomous freedom of choice. In addition to her writing and philosophical work, de Beauvoir engaged in a variety of social causes, including the liberation of French Algerians and the right-to-die movement. De Beauvoir is survived by her companion, the influential philosopher and novelist Jean-Paul Sartre, who passed away eight years after her death in 1994. Her legacy of philosophy, social activism, and feminism will continue to inspire generations to come.