Final answer:
Alexander Graham Bell, a Scottish-born inventor, opened a school for deaf teachers and created the telephone to transmit the human voice.
Explanation:
Alexander Graham Bell, a Scottish-born inventor, opened a school to train teachers of the deaf in Boston. He later invented the telephone, a device that could transmit the human voice through a wire, revolutionizing communication.
Through his invention, Bell demonstrated the capability to transmit musical sounds and eventually the tones of the human voice. His work marked a significant advancement in telecommunications during the late 19th century.
Learn more about Alexander Graham Bell and the invention of the telephone here:
https://brainly.com/question/2114469
