Samuel Gridley Howe

Dr. Samuel Gridley Howe, graduate of Harvard Medical School, was the first director of Perkins School for the Blind.  He developed a system to teach deaf-blind children, literally changing the world as a result. 

Howe (1801-1876) was married to Julia Ward Howe (a fellow abolitionist and author of "Battle Hymn of the Republic").

Credits

Image online, courtesy Library of Congress.