Ferdinand Berthier Wiki (wikipedia)
Ferdinand Berthier was a deaf French educator and intellectual. He advocated for deaf culture and sign language use. Ferdinand Berthier Wiki (Wikipedia) Born on September 30, 1803, in Vertus, France, Ferdinand Berthier became an influential figure in the deaf community. He excelled at the Royal Institute for Deaf-Mutes in Paris, leading to a distinguished career … Read more