Amos Ives Root was the iconic Renaissance man. Entrepreneur, inventor, scientist and humanitarian, A.I. Root had a direct influence in the lives of many famous Americans. After learning about the advances in educating blind and deaf children and contributing to help that effort, he received a four-page letter from Helen Keller thanking him for his kindness and support. For the rest of their lives, they remained close, personal friends.

click here to read her letters to A. I. Root