Johanna "Anne" Mansfield Sullivan Macy (April 14, 1866 – October 20, 1936), better known as Anne Sullivan, was an American teacher, best known for being the instructor and lifelong companion of Helen Keller. She contracted trachoma, a highly infectious eye infection, when she was eight to ten years old which left her blind and without reading or writing skills. She received her education as a student of the Perkins School for the Blind where upon graduation she became a teacher to Keller when she was 20.