Jenni Murray presents a special programme celebrating Simone de Beauvoir in her centennial year. From bourgeois beginnings to left bank intellectual, what were her ideas and what impact did they have? Guests including Germaine Greer, Michele Roberts, Kate Millet, Diane Abbott, Ann Oakley, Lisa Appignanesi and Natasha Walter discuss de Beauvoir's 1949 book The Second Sex and her life, ideas and influence on French politics and post-war feminism.