Alexander Graham Bell: Inventors and Scientists (History Maker Bios)

False! Alexander Graham Bell invented a talking machine when he was fifteen years old. Before that he had invented a wheat husker.

As a young man, he taught deaf children how to talk at a school in Boston, Massachusetts.

He invented a metal detector that was used in several wars to find bullets in wounded men.

Later in life, he experimented with small airplanes and special boats called hydrofoils.