who founded the american school for the deaf
American School for the Deaf The American School for the Deaf (ASD) is the oldest permanent school for the deaf in the United States. It was founded April 15, 1817, in Hartford, Connecticut, by Thomas Hopkins Gallaudet, Dr. Mason Cogswell, and Laurent Clerc and became a state-supported school later that year. It was also the second and present site of Hubbardâ€™s school.