Dr. Anne Spoerry treated hundreds of thousands of people across rural Kenya over the span of fifty years. A member of the renowned Flying Doctors Service, the French-born Spoerry learned how to fly a plane at the age of forty-five and earned herself the cherished nickname, "Mama Daktari"--"Mother Doctor"--from the people of Kenya. Yet few knew what drove her from post-World War II Europe to Africa. Now, in the first comprehensive account of her life, Dr. Spoerry's revered selflessness gives way to a past marked by rebellion, submission, and personal decisions that earned her another nickname--this one sinister--working as a "doctor" in a Nazi concentration camp.