Development of the TTY with Dr. James Marsters

Diane Castle interviews Dr. James Marsters, a deaf orthodontist and dental surgeon. Dr. Marsters discusses the time before deaf people had access to telephones and his desire to develop telephone communication for the deaf. Together with Bob Weitbrecht and Andrew Saks, Marsters developed the first acoustic coupler for teletype communication. This video is captioned. https://youtu.be/X7vO29FOc_c?si=mkQXOFg41c4ZoC6C