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On This Day

  • 4-16-1673

    Leibniz wrote to Oldenburg about series: "I conjecture that Mr. Collins himself does not speak of these summations of infinite series because he brings forward the example of the series 1/2, 1/3, 1/4, 1/5, 1/6, ... which if it is continued to infinity cannot be summed because the sum is not finite, like the sum of the triangular numbers, but infinite. But now I am cramped by the space of my paper."

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    Gottfried Leibniz
    Harmonic Series

  • 4-16-1705

    Isaac Newton knighted by Queen Anne at Trinity College.

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    Isaac Newton

  • 4-16-1788

    Georges Buffon died in Paris. The famous "Buffon needle problem" was an experiment in which he threw short sticks over his shoulder onto a tiled floor and counted the number of throws that resulted in a stick lying across a line between tiles.

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    Georges Buffon