Helen Keller was one of the greatest women in the 20th century.She was born in 1880 and died in 1968. When she was 19 monthsold. she became blind and deaf because of a serious illness. F romthen on she lived in darkness and silence.When shewas seven, her parents founda teacher, Miss Sullivan, for her. Miss Sullivan had a lot of difficulty in teaching Helen.With Helen'sstrongwillandintelligence, combinedwith MissSullivan's skill and patience, they overcame all the difficulties. Helenbecame a capable student and finally she received a university degreein English literature. Later on she devoted all herself to helping theblind and deaf children.