For 10 points, name this Scotsman credited with inventing the first practical telephone.
Don Ameche played this man in a 1939 film which was so successful Ameche's name became used as a slang word. That film portrays this man giving an Indian war whoop in one scene, which Wikipedia judges accurate because of his real life work in translating the Mohawk language into Visible Speech symbols. In The Godfather III, Joey Zasa expounds on how Antonio Meucci should be credited with this man's work. His father wrote the work The Standard Elocutionist, which contains lessons on teaching deaf-mutes, which this man himself did with such patients as Helen Keller. His most famous work may have been stolen from Elisha Gray and saw him assisted by Thomas A. Watson. For 10 points, name this Scotsman credited with inventing the first practical telephone.
Don Ameche played this man in a 1939 film which was so successful Ameche's name became used as a slang word.
Alexander Graham Bell 