Bell was born on March 3, 1847, to Edinburgh, Scotland and studied at the universities of Edinburgh and London. Moved to Canada in 1870, and in the United States in 1871 where he teaches deaf and dumb the system visible (Visual) speech. The system was developed by his father, Alexander Melville Bell, shows how the lips, tongue, and throat used in articulation of speech. The 1872to Bell founded a school for the deaf and dumb in Boston, Massachusetts. The school was then part of the University of Boston, where the Bell was appointed Professor of vocal physiology. He became an American citizen in 1882. From the age of 18 o Bell worked on the idea of transmission of speech. In 1874, while working in a kind of Telegraph, developed the basikesidees for the phone. In the summer of 1875 Bell by the payer in accordance with experiments his assistant Thomas Watson observed that a sheet of steel when doneito from different sounds affect power an electromagnet. He noted that it somewhere else another electromagnet was being affected by these changes of power and in turn made another plate to vibrate. His experiments eventually proved epitychistis these March 10, 1876, when the first full sentence passed through toytilefwnoy: "Watson, come here, I want you." The subsequent demonstrations, particularly one in 1876 in Philadelphia of Pennsylvania, introduced the phone in the world and led to the organisation of Bell's telephone company in 1877. Other inventors also tried to create a communication device. Especially the Meutsi Antonio, who invented an audio device in the early 1870s and Elisha Gray filed a patent application with the construction of the phone a few hours after the Bell stoSikago. In 1880 the Bell Award in France the prize Volta, which was accompanied by a cash prize of 50,000 francs, for his invention. With this money he founded the laboratory of Volta in Washington, where in the same year his colleagues and he invented the He died on August 2, 1922, in Baddeck, Canada where today there is a museum dedicated to the work and life of
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