giúp mk vs ak Alexander Graham Bell was born in 1847 in Edinburgh, Scotland. His father was an expert in phonetics, the study of the sounds of languages. As a boy, Alexander became interested in sounds and speech. In 1870 the Bells decided to emigrate to America. They lived in Boston, where Alexander taught in school for the deaf. There he began experimenting with a machine to help the deaf hear. While experimenting with this machine, Bell had an idea. Why not use electricity to send the human voice from one place to another? Bell began work on a new invention. For years Bell and his assistant, Thomas Watson, worked day and night.They rented rooms in a boarding house. Bell was on one floor, and Watson was on another.They tried to send speech through a wire. Finally, on March 19, 1876, Watson heard these words very clearly: “Mr Watson,come here. I want you”. This was the first telephone message. True (T) or False (F) 17. Alexander taught in a school for the deaf in Boston. 18. Alexander Graham Bell came to the United States of American 1870. 19. Thomas Watson was Bell’s assistant 20. Bell and his assistant were on the same floor in the boarding house in Boston.