Mary Edwards Walker (1832-1919) defied the conventions of her era. Born and raised on a farm in Oswego, New York, Walker became one of a handful of female physicians in the nation-and became a passionate believer in the rights of women. Despite the derision of her contemporaries, Walker championed freedom of dress. She wore slacks-or bloomers as they were popularly known-rather than the corsets and voluminous ground-dragging petticoats and dresses...