This Day in History: Alexander Graham Bell applied for a patent for the telephone on this day in 1876, as did Elisha Gray. This is not the only time that 2 people came up with the same idea at the same time. One example being Charles Darwin and Alfred Russel Wallace both coming up with the theory of evolution by natural selection. Other examples are Lothar Meyer and Dmitri Mendeleev (Periodic Table of Elements), John Logie Baird, Philo Fansworth, Kenjiro Takayanagi, Charles F. Jenkins and Vladimir Zworykin for the TV, the Skladanowsky brothers and Woodville Latham (film projector), Frank Whittle and Hand von Ohain (jet engine), Carl W Scheele and Joseph Priestley (Oxygen), John S Barron and Don Wetzel (ATM Machine), Ben Franklin and Prokop Divis (electricity and the lightning rod), Jack Kilby and Robert Noyce (microchip) Isaac Newton and Gottfried Wilhelm Leibniz (calculus), Jonas Salk, and Albert Sabin (polio vaccine), Einstein, Henri Poincaré, Olinto De Pretto, and Paul Langevin (E=mc2)...and I could go on for a while.
See also: Are Inventions Inevitable? A Note on Social Evolution
See also The Smartest People in History - 300 PDF Books on DVDrom
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