Personalities circa 1900. American writer Helen Keller (1880-1968) who became deaf and blind at 19 months, pictured as she feels the face of her "teacher" Anne Sullivan, who was a great source of inspiration to Helen Keller. [Getty Images]

Personalities, circa 1900, American writer Helen Keller (1880-1968) who became deaf and blind at 19 months, pictured as she feels the face of her "teacher" Anne Sullivan, who was a great source of inspiration to Helen Keller (Photo by Rolls Press/Popperfoto via Getty Images/Getty Images) — see more

Personalities, circa 1900, American writer Helen Keller (1880-1968) who became deaf and blind at 19 months, pictured as she feels the face of her "teacher" Anne Sullivan, who was a great source of inspiration to Helen Keller (Photo by Rolls Press/Popperfoto via Getty Images/Getty Images)