This unorthodox biography explores the life of an extraordinary Enlightenment woman who, by sheer force of character, parlayed a skill in midwifery into a national institution. In 1759, in an effort to end infant mortality, Louis XV commissioned Madame Angelique Marguerite Le Boursier du Coudray to travel throughout France teaching the art of childbirth to illiterate peasant women. For the next thirty years, this royal emissary taught in nearly forty cities and reached an estimated ten thousand students. She wrote a textbook and invented a life-sized obstetrical mannequin for her...