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| ||1314: Jacques de Molay, the 23rd and final Grand Master of the Knights Templar, is burned at the stake. Pic. | | File:Philippe de La Hire.jpg|link=Philippe de La Hire (nonfiction)|1640: Painter, mathematician, astronomer, and architect [[Philippe de La Hire (nonfiction)|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. |
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| ||1602: Jacques de Billy born ... Jesuit mathematician. Pic: book cover. | | File:Ferdinand Berthoud.jpg|link=Ferdinand Berthoud (nonfiction)|1727: Scientist and watchmaker [[Ferdinand Berthoud (nonfiction)|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. |
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| File:Robert Fludd.jpg|link=Robert Fludd (nonfiction)|1604: Mathematician [[Robert Fludd (nonfiction)|Robert Fludd]] publishes new work on [[Cellular automaton (nonfiction)|cellular automata theory]] and its application to [[crimes against mathematical constants]]. | | 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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| File:Philippe de La Hire.jpg|link=Philippe de La Hire (nonfiction)|1640: Painter, mathematician, astronomer, and architect [[Philippe de La Hire (nonfiction)|Philippe de La Hire]] born. He will be the favorite pupil of Desargues, and develop conic sections and epicycloids based on the teaching of Desargues. | | File:William C. Davidon.jpg|link=William C. Davidon (nonfiction)|1927: Physicist, mathematician, and activist [[William C. Davidon (nonfiction)|William C. Davidon]] born. Davidon will develop the first quasi-Newton algorithm, now known as the Davidon–Fletcher–Powell formula. |
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| ||1690: Christian Goldbach born ... mathematician and academic. Pic.
| | File:George Plimpton 1993.jpg|link=George Plimpton (nonfiction)|1927: Journalist, writer, literary editor, and actor [[George Plimpton (nonfiction)|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. |
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| ||1727: Ferdinand Berthoud born ... scientist and watchmaker. Pic.
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| ||1741: New York governor George Clarke's complex at Fort George is burned in an arson attack, starting the New York Conspiracy of 1741.
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| ||1796: Jakob Steiner born ... mathematician who worked primarily in geometry. Pic.
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| ||1839: Joseph-Émile Barbier born ... astronomer and mathematician, known for Barbier's theorem on the perimeter of curves of constant width. Pic search scant: https://www.google.com/search?q=Joseph-Émile+Barbier
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| ||1858: Rudolf Diesel born ... engineer, invented the Diesel engine. Pic.
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| ||1862: Dorr Eugene 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.
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| ||1870: Agnes Sime Baxter born ... mathematician.
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| ||1871: Augustus De Morgan dies ... mathematician and academic ... formulated De Morgan's laws and introduced the term mathematical induction, making its idea rigorous.
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| ||1877: Edgar Cayce born ... mystic and psychic.
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| ||1891: Walter Andrew Shewhart born ... physicist, engineer and statistician, sometimes known as the father of statistical quality control.
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| ||1895: Ion Barbu born ... mathematician and poet. Pic.
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| File:Curie_and_radium_by_Castaigne.jpg|link=Radium (nonfiction)|1899: Marie and Pierre Curie use [[Radium (nonfiction)|radium compounds]] to detect and counteract crimes against both [[Crimes against physical constants|physical constants]] and [[Crimes against chemical constants|chemical constants]].
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| ||1905: Thomas Townsend Brown born ... physicist and engineer.
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| ||1907: Pierre Eugène Marcellin Berthelot dies ... chemist and politician noted for the Thomsen–Berthelot principle of thermochemistry. He synthesized many organic compounds from inorganic substances, providing a large amount of counterevidence to the theory of Jöns Jakob Berzelius that organic compounds required organisms in their synthesis. Pic.
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| File:William C. Davidon.jpg|link=William C. Davidon (nonfiction)|1927: Physicist, mathematician, and activist [[William C. Davidon (nonfiction)|William C. Davidon]] born. He will develop the first quasi-Newton algorithm, now known as the Davidon–Fletcher–Powell formula.
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| File:George Plimpton 1993.jpg|link=George Plimpton (nonfiction)|1927: Journalist, writer, literary editor, and actor [[George Plimpton (nonfiction)|George Plimpton]] born. | |
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| ||1930: James J. Andrews born ... mathematician and academic. Pic: http://urbanareas.net/info/andrews-james-j-mathematician/
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| ||1932: Friedrich Heinrich Schur dies ... mathematician who studied geometry. Pic.
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| File:Tan Lei.jpg|link=Tan Lei (nonfiction)|1963: Mathematician [[Tan Lei (nonfiction)|Tan Lei]] born. She will specialize in complex dynamics and functions of complex numbers, making contributions to the study of the Mandelbrot set and Julia set.
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| File:Gaston_Julia.jpg|link=Gaston Julia (nonfiction)|1964: Mathematician and crime-fighter [[Gaston Julia (nonfiction)|Gaston Maurice Julia]] publishes 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]].
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| ||1965: Cosmonaut Alexey Leonov, leaving his spacecraft Voskhod 2 for 12 minutes, becomes the first person to walk in space.
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| ||1968: Gold standard: The U.S. Congress repeals the requirement for a gold reserve to back US currency.
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| ||1980: A Vostok-2M rocket at Plesetsk Cosmodrome Site 43 explodes during a fueling operation, killing 48 people.
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| ||1989: Sir Harold Jeffreys dies ... mathematician, statistician, geophysicist, and astronomer. The book that he and Bertha Swirles wrote Theory of Probability, which first appeared in 1939, played an important role in the revival of the Bayesian view of probability.
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| ||1990: In the largest art theft in US history, 12 paintings, collectively worth around $300 million, are stolen from the Isabella Stewart Gardner Museum in Boston.
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| ||2001: Dirk Polder dies ... physicist who, together with Hendrik Casimir, first predicted the existence of what today is known as the Casimir-Polder force, sometimes also referred to as the Casimir effect or Casimir force.
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| ||2003: Adam Osborne dies ... engineer and businessman, founded the Osborne Computer Corporation.
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| ||2013: Mary Ellen Rudin dies ... mathematician known for her work in set-theoretic topology. Pic.
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| File:Green_Spiral_9.jpg|link=Green Spiral 9 (nonfiction)|2016: ''[[Green Spiral 9 (nonfiction)|Green Spiral 9]]'' declared Picture of the Day by the citizens of [[New Minneapolis, Canada]].
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