This document provides biographical information on several notable deaf individuals and their contributions throughout history:
- Charles-Michel de l'Épée founded the first school for deaf education in Paris in 1760.
- Pierre Desloges was a bookbinder and upholsterer in Paris who became deaf at age 7 and did not learn sign language until age 27.
- Teresa de Cartagena was a 15th century Spanish nun and author who fell deaf in 1453-1459, influencing her works.
- Several inventors and scientists who were deaf or lost their hearing are mentioned, including Beethoven, Edison, Bell, and Heaviside.