Question

Graham bell what is his helped of mankind​

Answer 1

Alexander Graham Bell was a Scottish-born American inventor and scientist. ... A year later Bell moved to the United States, where he taught speech to deaf students. While in the U.S. Bell invented and/or improved a number of electrical technologies. He is best remembered as the inventor of the telephone (1876).

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Answer 2

Answer:Alexander Graham Bell was a Scottish-born scientist and inventor best known for inventing the first working telephone in 1876 and founding the Bell Telephone Company in 1877. Bell's success came through his experiments in sound and the furthering of his family's interest in assisting the deaf with communication.

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