Do you know anything about this great inventor? If not for him, there would be no telephones/cellphones/smartphones.

He was born on the 3rd of March, 1847 in Edinburgh, Scotland. In 1870 he and his parents immigrated to Canada.

Three years later, he became a professor in speech and vocal physiology at Boston University.

While teaching, he also experimented with a means of transmitting several telegraph messages simultaneously over a single wire and also with various devices.

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