On march 3, 1847, Alexander Graham Bell was born in Edinburgh. He was a Scotsman although he later emigrated, first to Canada and then to the USA in the 1870s.In America, he worked with deaf-mutes at Boston University. Soon, Bell started experimenting with ways of transmitting speech speech over a long distance. This led to the invention of the telephone.Bell and his assistant, Thomas Watson, conducted many experiments and finally came up with a device which they first intrduced in 1876. Bell
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