Simone de Beauvior, Hannah Arendt, Simone Weil and Ayn Rand. With great narrative skill, Wolfram Eilenberger deschribes in his latest book the dramatic lives of the most influential female philosophers of the 20th century. In the midst of the turmoil of the Second World War, they laid the foundation for a truly free, emancipated society as fugitives and resistance fighters, ostracized and enlightened women.