Template:Selected anniversaries/March 18: Difference between revisions

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||1862: Dorr Felt born ... inventor and industrialist who was known for having invented the Comptometer, an early computing device, and the Comptograph, the first printing adding machine.  Pic.
||1862: Dorr Felt born ... inventor and industrialist who was known for having invented the Comptometer, an early computing device, and the Comptograph, the first printing adding machine.  Pic.
File:Emil_Wiechert.jpg|link=Emil Wiechert (nonfiction)|1870: Physicist, geophysicist, and [[Gnomon algorithm|Gnomonic tecto-algorithm]] expert [[Emil Wiechert (nonfiction)|Emil Wiechert]] generates a resonance between the layered structure of the Earth and the layered structure of an electron, unexpectedly opening a communications link with [[AESOP]], the alleged ionospheric intelligence.


File:Augustus_De_Morgan.jpg|link=Augustus De Morgan (nonfiction)|1871: Mathematician and academic [[Augustus De Morgan (nonfiction)|Augustus De Morgan]] dies. De Morgan formulated two laws, now De Morgan's Laws, pertaining to mathematical induction: (1) the negation of a disjunction is the conjunction of the negations; (2) the negation of a conjunction is the disjunction of the negations.
File:Augustus_De_Morgan.jpg|link=Augustus De Morgan (nonfiction)|1871: Mathematician and academic [[Augustus De Morgan (nonfiction)|Augustus De Morgan]] dies. De Morgan formulated two laws, now De Morgan's Laws, pertaining to mathematical induction: (1) the negation of a disjunction is the conjunction of the negations; (2) the negation of a conjunction is the disjunction of the negations.
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||1932: Friedrich Heinrich Schur dies ... mathematician who studied geometry. Pic.
||1932: Friedrich Heinrich Schur dies ... mathematician who studied geometry. Pic.
File:Gaston_Julia.jpg|link=Gaston Julia (nonfiction)|1962: Mathematician and crime-fighter [[Gaston Julia (nonfiction)|Gaston Maurice Julia]] discovers new class of [[Gnomon algorithm functions]] which anticipate the later work of [[Tan Lei (nonfiction)|Tan Lei]] in using the Julia set to detect and prevent [[crimes against mathematical constants]].


File:Tan Lei.jpg|link=Tan Lei (nonfiction)|1963: Mathematician [[Tan Lei (nonfiction)|Tan Lei]] born.  Tan Lei will specialize in complex dynamics and functions of complex numbers, making contributions to the study of the Mandelbrot set and Julia set.
File:Tan Lei.jpg|link=Tan Lei (nonfiction)|1963: Mathematician [[Tan Lei (nonfiction)|Tan Lei]] born.  Tan Lei will specialize in complex dynamics and functions of complex numbers, making contributions to the study of the Mandelbrot set and Julia set.

Revision as of 20:19, 26 January 2022

  • 1640: Painter, mathematician, astronomer, and architect Philippe de La Hire born. La Hire will be the favorite pupil of Desargues, and develop conic sections and epicycloids based on the teaching of Desargues.

    1640: Painter, mathematician, astronomer, and architect Philippe de La Hire born. La Hire will be the favorite pupil of Desargues, and develop conic sections and epicycloids based on the teaching of Desargues.

  • 1727: Scientist and watchmaker Ferdinand Berthoud born. Berthoud will serve as Horologist-Mechanic by appointment to the King and the Navy, leaving an exceptionally broad body of work, notable for excellent sea chronometers.

    1727: Scientist and watchmaker Ferdinand Berthoud born. Berthoud will serve as Horologist-Mechanic by appointment to the King and the Navy, leaving an exceptionally broad body of work, notable for excellent sea chronometers.

  • 1871: Mathematician and academic Augustus De Morgan dies. De Morgan formulated two laws, now De Morgan's Laws, pertaining to mathematical induction: (1) the negation of a disjunction is the conjunction of the negations; (2) the negation of a conjunction is the disjunction of the negations.

    1871: Mathematician and academic Augustus De Morgan dies. De Morgan formulated two laws, now De Morgan's Laws, pertaining to mathematical induction: (1) the negation of a disjunction is the conjunction of the negations; (2) the negation of a conjunction is the disjunction of the negations.

  • 1927: Physicist, mathematician, and activist William C. Davidon born. Davidon will develop the first quasi-Newton algorithm, now known as the Davidon–Fletcher–Powell formula.

    1927: Physicist, mathematician, and activist William C. Davidon born. Davidon will develop the first quasi-Newton algorithm, now known as the Davidon–Fletcher–Powell formula.

  • 1927: Journalist, writer, literary editor, and actor George Plimpton born. Plimpton will be famous for "participatory journalism": competing in professional sporting events, playing with the New York Philharmonic Orchestra, performing a circus trapeze act, and then recording the experience from the point of view of an amateur.

    1927: Journalist, writer, literary editor, and actor George Plimpton born. Plimpton will be famous for "participatory journalism": competing in professional sporting events, playing with the New York Philharmonic Orchestra, performing a circus trapeze act, and then recording the experience from the point of view of an amateur.

  • 1963: Mathematician Tan Lei born. Tan Lei will specialize in complex dynamics and functions of complex numbers, making contributions to the study of the Mandelbrot set and Julia set.

    1963: Mathematician Tan Lei born. Tan Lei will specialize in complex dynamics and functions of complex numbers, making contributions to the study of the Mandelbrot set and Julia set.

  • 1964: Physicist and academic Louis de Broglie uses the wave nature of electrons to detect and prevent crimes against mathematical constants.

    1964: Physicist and academic Louis de Broglie uses the wave nature of electrons to detect and prevent crimes against mathematical constants.

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