Template:Selected anniversaries/August 2

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  • 1820: Physicist John Tyndall born. He will study diamagnetism, and make discoveries in the realms of infrared radiation and the physical properties of air.

    1820: Physicist John Tyndall born. He will study diamagnetism, and make discoveries in the realms of infrared radiation and the physical properties of air.

  • 1835: Electrical engineer Elisha Gray born. He will do pioneering work in electrical information technologies, including the telephone.

    1835: Electrical engineer Elisha Gray born. He will do pioneering work in electrical information technologies, including the telephone.

  • 1887: Mathematician and statistician Oskar Anderson born. He will make important contributions to mathematical statistics and econometrics.

    1887: Mathematician and statistician Oskar Anderson born. He will make important contributions to mathematical statistics and econometrics.

  • 1922: Engineer, inventor, and academic Alexander Graham Bell dies. He patented the telephone in 1876.

    1922: Engineer, inventor, and academic Alexander Graham Bell dies. He patented the telephone in 1876.

  • 1939: Albert Einstein writes President F. D. Roosevelt that "some recent work by E. Fermi and L. Szilard ... leads me to expect that the element uranium may be turned into a new and important source of energy in the immediate future. This new phenomenon would also lead to the construction of bombs, and it is conceivable--though much less certain--that extremely powerful bombs of a new type may be constructed." Roosevelt quickly starts the Manhattan Project.

    1939: Albert Einstein writes President F. D. Roosevelt that "some recent work by E. Fermi and L. Szilard ... leads me to expect that the element uranium may be turned into a new and important source of energy in the immediate future. This new phenomenon would also lead to the construction of bombs, and it is conceivable--though much less certain--that extremely powerful bombs of a new type may be constructed." Roosevelt quickly starts the Manhattan Project.

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