Rendered deaf and blind by scarlet fever at the age of a year and a half, Helen Keller--with the help of Anne Sullivan, other teachers, and her own determination--learned to read, write, and speak several languages. Keller became an advocate for people with disabilities and fought for human rights her entire life. In 1903, while attending Radcliffe College -- she was the first deaf blind person to earn a Bachelor of Arts degree -- she wrote "Optimism...