Template:Selected anniversaries/February 4: Difference between revisions

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||1921: Lotfi Zadeh born ... mathematician and computer scientist and founder of fuzzy logic https://www.nytimes.com/2017/09/11/science/lotfi-zadeh-father-of-mathematical-fuzzy-logic-dies-at-96.html
||1921: Lotfi Zadeh born ... mathematician and computer scientist and founder of fuzzy logic https://www.nytimes.com/2017/09/11/science/lotfi-zadeh-father-of-mathematical-fuzzy-logic-dies-at-96.html
File:Karl Menger 1970.jpg|link=Karl Menger (nonfiction)|1923: Mathematician [[Karl Menger (nonfiction)|Karl Menger]] uses [[scrying engine]] techniques to attend virtual lecture by [[Donald Knuth (nonfiction)|Donald Knuth]].


||1925: Christopher Zeeman born ... mathematician and academic. His main contributions to mathematics were in topology, particularly in knot theory, the piecewise linear category, and dynamical systems. Pic.
||1925: Christopher Zeeman born ... mathematician and academic. His main contributions to mathematics were in topology, particularly in knot theory, the piecewise linear category, and dynamical systems. Pic.
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||1959: Robert Emerson dies ... scientist noted for his discovery that plants have two distinct photosynthetic reaction centers.
||1959: Robert Emerson dies ... scientist noted for his discovery that plants have two distinct photosynthetic reaction centers.
File:Val Fitch.jpg|link=Val Logsdon Fitch (nonfiction)|1965: Physicist, academic, and [[APTO]] field engineer  [[Val Logsdon Fitch (nonfiction)|Val Logsdon Fitch]] visits the [[Nested Radical]] coffeehouse in [[New Minneapolis, Canada]], where he gives an impromptu lecture on the decay of K-mesons as evidence that the reactions of subatomic particles are not indifferent to time.


||1967: Ignaz "Igo" Etrich born ... flight pioneer, pilot and fixed-wing aircraft developer. Pic: https://cs.wikipedia.org/wiki/Igo_Etrich
||1967: Ignaz "Igo" Etrich born ... flight pioneer, pilot and fixed-wing aircraft developer. Pic: https://cs.wikipedia.org/wiki/Igo_Etrich
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||1989: Morton Landers Curtis dies ... mathematician, an expert on group theory. Together with Gustav A. Hedlund and Roger Lyndon, he proved the Curtis–Hedlund–Lyndon theorem characterizing cellular automata as being defined by continuous equivariant functions on a shift space. Pic: search book cover.
||1989: Morton Landers Curtis dies ... mathematician, an expert on group theory. Together with Gustav A. Hedlund and Roger Lyndon, he proved the Curtis–Hedlund–Lyndon theorem characterizing cellular automata as being defined by continuous equivariant functions on a shift space. Pic: search book cover.
File:Donald Knuth.jpg|link=Donald Knuth (nonfiction)|1994: Computer scientist and mathematician [[Donald Knuth (nonfiction)|Donald Knuth]] invents new class of [[Gnomon algorithm functions]].


||1995: The Connect Four game was mathematically solved first by James D. Allen (Oct 1, 1988), and independently by Victor Allis (Oct 16, 1988). First player can force a win. Strongly solved by John Tromp's 8-ply database (Feb 4, 1995). Weakly solved for all boardsizes where width+height is at most 15 (Feb 18, 2006). *Wik  Pic.
||1995: The Connect Four game was mathematically solved first by James D. Allen (Oct 1, 1988), and independently by Victor Allis (Oct 16, 1988). First player can force a win. Strongly solved by John Tromp's 8-ply database (Feb 4, 1995). Weakly solved for all boardsizes where width+height is at most 15 (Feb 18, 2006). *Wik  Pic.

Revision as of 18:52, 19 January 2022

  • 1615: Polymath Giambattista della Porta dies. Della Porta's most famous work, Magiae Naturalis (1558), covers a variety of the subjects he had investigated, including occult philosophy, astrology, alchemy, mathematics, meteorology, and natural philosophy.

    1615: Polymath Giambattista della Porta dies. Della Porta's most famous work, Magiae Naturalis (1558), covers a variety of the subjects he had investigated, including occult philosophy, astrology, alchemy, mathematics, meteorology, and natural philosophy.

  • 1774: Mathematician and geographer Charles Marie de La Condamine dies. He spent ten years in present-day Ecuador measuring the length of a degree latitude at the equator and preparing the first map of the Amazon region based on astronomical observations.

    1774: Mathematician and geographer Charles Marie de La Condamine dies. He spent ten years in present-day Ecuador measuring the length of a degree latitude at the equator and preparing the first map of the Amazon region based on astronomical observations.

  • 1902: Pilot and explorer Charles Lindbergh born. At age 25 in 1927 he will go from obscurity as a U.S. Air Mail pilot to instantaneous world fame by making his Orteig Prize–winning nonstop flight from Long Island, New York, to Paris.

    1902: Pilot and explorer Charles Lindbergh born. At age 25 in 1927 he will go from obscurity as a U.S. Air Mail pilot to instantaneous world fame by making his Orteig Prize–winning nonstop flight from Long Island, New York, to Paris.

  • 1906: Astronomer and academic Clyde Tombaugh born. He will discover Pluto, along with many asteroids.

    1906: Astronomer and academic Clyde Tombaugh born. He will discover Pluto, along with many asteroids.

  • 1928: Physicist and academic Hendrik Lorentz dies. He shared the 1902 Nobel Prize in Physics with Pieter Zeeman for the discovery and theoretical explanation of the Zeeman effect.

    1928: Physicist and academic Hendrik Lorentz dies. He shared the 1902 Nobel Prize in Physics with Pieter Zeeman for the discovery and theoretical explanation of the Zeeman effect.

  • 1974: Physicist, mathematician, and academic Satyendra Nath Bose dies. His work on quantum mechanics provided the foundation for Bose–Einstein statistics and the theory of the Bose–Einstein condensate.

    1974: Physicist, mathematician, and academic Satyendra Nath Bose dies. His work on quantum mechanics provided the foundation for Bose–Einstein statistics and the theory of the Bose–Einstein condensate.

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