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[[File:Keller and Sullivan.jpg|thumbnail|
970px|left|Helen Keller sits with her teacher, Anne Sullivan, in an 1888 photo, taken while the Keller family was vacationing on Cape Cod, Massachusetts.]]
Helen Keller (1880–1967) is best known for her triumph over blindness, deafness, and muteness. Rescued from the isolation of her afflictions as a young girl by the Perkins Institute for the Blind teacher Anne Sullivan, Keller learned to understand a basic form of sign language and learned to “feel” and imitate the sound of the human voice. With a world of comprehension and communication opened to her, Keller excelled, graduating ''cum laude'' from Radcliffe College, eventually writing books about her life and education under Sullivan, appearing in motion pictures to demonstrate her communication methods, and campaigning for the deaf and blind around the world.