Hannah Riddell
Keisai Aoki (April 8, 1893 – March 6, 1969). A Japanese missionary who virtually paved the way to the establishment of Hansen's disease sanatorium Kunigami-Airakuen, Okinawa, with extraordinary difficulties. At age 16, he developed leprosy and later, under the leadership of Hannah Riddell, he helped people with leprosy in Okinawa.