Lucy Convington, Native American tribal leader and activist who saved the Colville Indian Reservation in Washington.
Courtesy: Library of Congress
Sarah Grimke, one of the Grimke Sisters known for their work on behalf of suffrage and abolition.
Courtesy: Wikimedia Creative Commons
Mary Edwards Walker, doctor and the first woman awarded the Congressional Medal of Honor who was a strong proponent of dress reform and began wearing men's clothing (at the risk of being arrested) later in life.