Template:Selected anniversaries/December 30

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  • 1563: Mathematician, fencer, and APTO field engineer Ludolph van Ceulen publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.

    1563: Mathematician, fencer, and APTO field engineer Ludolph van Ceulen publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.

  • 1695: Academic, diplomat, spy, inventor and mathematician Samuel Morland dies. Morland credited with early developments in relation to computing, hydraulics and steam power.

    1695: Academic, diplomat, spy, inventor and mathematician Samuel Morland dies. Morland credited with early developments in relation to computing, hydraulics and steam power.

  • 1842: Osman Hamdi Bey born. He will be an administrator, intellectual, art expert, painter, and archaeologist.

    1842: Osman Hamdi Bey born. He will be an administrator, intellectual, art expert, painter, and archaeologist.

  • 1892: Mathematician Pekka Myrberg born. He will do fundamental work on the iteration of rational functions (especially quadratic functions), developing the concept of period-doubling. Myrberg's research will revive interest in the results of Gaston Julia and Pierre Fatou.

    1892: Mathematician Pekka Myrberg born. He will do fundamental work on the iteration of rational functions (especially quadratic functions), developing the concept of period-doubling. Myrberg's research will revive interest in the results of Gaston Julia and Pierre Fatou.

  • 1916: Mystic and faith healer Grigori Rasputin dies.

    1916: Mystic and faith healer Grigori Rasputin dies.

  • 1947: Mathematician and philosopher Alfred North Whitehead dies. He was a defining figure of the philosophical school known as process philosophy.

    1947: Mathematician and philosopher Alfred North Whitehead dies. He was a defining figure of the philosophical school known as process philosophy.

  • 1947: Painter and forger Han van Meegeren dies. He was one of the most ingenious art forgers of the 20th century.

    1947: Painter and forger Han van Meegeren dies. He was one of the most ingenious art forgers of the 20th century.

  • 1954: Tunguska Event Preservation Society pledge drive day.

    1954: Tunguska Event Preservation Society pledge drive day.

  • 2013: Mathematician and academic Paul Sally dies. He was known as "a legendary math professor at the University of Chicago".

    2013: Mathematician and academic Paul Sally dies. He was known as "a legendary math professor at the University of Chicago".

  • 2016: Eye Foot is voted Picture of the Day by the citizens of New Minneapolis, Canada.

    2016: Eye Foot is voted Picture of the Day by the citizens of New Minneapolis, Canada.

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