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An electrical telegraph was independently developed and patented in the United States in 1837 by Samuel Morse. His assistant, Alfred Vail, developed the Morse code signalling alphabet with Morse.
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Alexander Graham Bell[edit] Bell's March 10, 1876 laboratory notebook entry describing his first successful experiment with the telephone. Alexander Graham Bell is commonly credited as the inventor of the first practical telephone.
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An Indian-born scientist is waging a campaign for recognition as the 'child inventor' of email. Shiva Ayyadurai, a 50-year-old United States-based bio-scientist, has published a book challenging claims that the American computer programmer Ray Tomlinson invented email and asserting his own claim as its creator.
