'This 19th century inventor's father authored "Visible" to help teach the hearing-impaired to speak'
(Alexander Graham) Bell
INVENTORS: This 19th century inventors father authored Visible to help teach the hearing-impaired to speak
This 19th century inventor's father authored "Visible" to help teach the hearing-impaired to speak
This 19th century inventor's father authored "Visible" to help teach the hearing-impaired to speak
INVENTORS
Alexander Graham Bell
INVENTORS