Template:Selected anniversaries/June 12

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  • 1577: Astronomer and mathematician Paul Guldin born. He will discover the Guldinus theorem, which determines the surface and the volume of a solid of revolution.

    1577: Astronomer and mathematician Paul Guldin born. He will discover the Guldinus theorem, which determines the surface and the volume of a solid of revolution.

  • 1936: Data from Canterbury scrying engine used to detect and prevent crimes against mathematical constants.

    1936: Data from Canterbury scrying engine used to detect and prevent crimes against mathematical constants.

  • 1937: Mathematician and academic Vladimir Arnold born. He will help develop the Kolmogorov–Arnold–Moser theorem regarding the stability of integrable systems.

    1937: Mathematician and academic Vladimir Arnold born. He will help develop the Kolmogorov–Arnold–Moser theorem regarding the stability of integrable systems.

  • 1938: Alice Beta Paragliding published. Many experts believe that the illustration depicts Beta infiltrating the ENIAC program, although this is widely debated.

    1938: Alice Beta Paragliding published. Many experts believe that the illustration depicts Beta infiltrating the ENIAC program, although this is widely debated.

  • 1945: Physicist James Franck brings the Franck Report to Washington. The report recommends that the United States not use the atomic bomb as a weapon to prompt the surrender of Japan in World War II.

    1945: Physicist James Franck brings the Franck Report to Washington. The report recommends that the United States not use the atomic bomb as a weapon to prompt the surrender of Japan in World War II.

  • 1981: Arnold's cat map is "better than a laser pointer for keeping a cat amused," says mathematician and cat psychologist Vladimir Arnold.

    1981: Arnold's cat map is "better than a laser pointer for keeping a cat amused," says mathematician and cat psychologist Vladimir Arnold.

  • 2019: Signed first edition of Green Tangle 2 purchased for an undisclosed amount by "a prominent mathematician living in New Minneapolis, Canada."

    2019: Signed first edition of Green Tangle 2 purchased for an undisclosed amount by "a prominent mathematician living in New Minneapolis, Canada."

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