Over the course of history, countless healers and medical professionals have bravely endeavored to combat the physiological and psychological illnesses that plague us. This detailed volume humanizes these scientific quests by presenting the biographies of 100 individuals responsible for everything from vaccinations to gene therapy. Organized chronologically, the format allows readers to understand how each pioneer built on the work of his or her peers and predecessors and how concepts relate to each other. Readers will also learn about the intersection of social and medical history through the stories of women who broke into the traditionally male-dominated medical field.