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Alexander graham bell greim march 3 1847 august 2 1922 was a scottish born inventor scientist and engineer who is credited with inventing and patenting the first practical telephone he also co founded the american telephone and telegraph company att in 1885. Alexander graham bell born march 3 1847 edinburgh scotland died august 2 1922 beinn bhreagh cape breton island nova scotia canada scottish born american inventor scientist and teacher of the deaf whose foremost accomplishments were the invention of the telephone 1876 and the refinement of the phonograph 1886. Alexander graham bell was a scottish born scientist and inventor best known for inventing the first working telephone in 1876 and founding the bell telephone company in 1877 bells success came. Alexander graham bell in 1874 aged 26 when he became a professor at boston university bottom left bell aged 45 making the first call from new york to chicago when the exchange opened in 1892 right alexander graham bells early life early inventions and education alexander graham bell was born march 3 1847 in edinburgh scotland uk