Scottish-born American scientist and inventor whose lifelong interest in the education of deaf people led him to conceive the idea of transmitting speech by electric waves. In 1876 his experiments with a telegraph resulted in his invention of the telephone. He later produced the first successful sound recorder, an early hearing aid, and many other devices.
An American inventor and scientist of the late nineteenth and early twentieth centuries, born in Scotland. He invented the telephone in 1876. Much of Bell's career was devoted to education of the deaf and to production of electronic devices to help them hear better.