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“Mr. Watson – come here – I want to see you.”

These famed words, the first communicated clearly over telephone, are historic in the world of American inventions. Spoken by Alexander Graham Bell to his assistant on March 10, 1876, they marked the beginning of a new era – the era of the telephone.

It’s hard to imagine a world without telephones now, but prior to 1876 the world communicated without them, often with a telegraph and Morse code (about 1830).

While Alexander Graham Bell was attempting to improve the telegraph, he came up with the idea of a telepho...