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| ||AD 51: Nero, later to become Roman emperor, is given the title ''princeps iuventutis'' (head of the youth). Pic.
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| File:Abd al-Rahman al-Sufi.jpg|link=Abd al-Rahman al-Sufi (nonfiction)|928: Astronomer [[Abd al-Rahman al-Sufi (nonfiction)|Abd al-Rahman al-Sufi]] uses [[Gnomon algorithm]] to solve [[crimes against astronomical constants]].
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| ||1394: Prince Henry the Navigator born ... patron of exploration. Pic.
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| ||1519: Hernán Cortés arrives in Mexico in search of the Aztec civilization and its wealth. Pic.
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| ||1634: Kazimierz Łyszczyński born ... philosopher ... Executed for writing "De non existentia Dei" (On the non-existence of God). Pic: Postage stamp.
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| ||1675: John Flamsteed is appointed the first Astronomer Royal of England. 1675 date of Charles II’s Royal Warrant that ordered the Board of Ordnance to pay for “the support and Maintenance” of John Flamsteed, appointed “our astronomical observator” and charged: “to apply himself with the most exact care and diligence to the rectifying the tables of the motions of the heavens, and the places of the fixed stars, so as to find our the so much-desired longitude of places for the perfecting the art of navigation.” https://pballew.blogspot.com/2019/03/on-this-day-in-math-march-4.html Pic.
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| File:Jack Sheppard - Thornhill.jpg|link=Jack Sheppard (nonfiction)|1702: Thief [[Jack Sheppard (nonfiction)|Jack Sheppard]] born. He will be arrested and imprisoned five times in 1724 but escape four times from prison, making him a notorious public figure, and wildly popular with the poorer classes. | | File:Jack Sheppard - Thornhill.jpg|link=Jack Sheppard (nonfiction)|1702: Thief [[Jack Sheppard (nonfiction)|Jack Sheppard]] born. He will be arrested and imprisoned five times in 1724 but escape four times from prison, making him a notorious public figure, and wildly popular with the poorer classes. |
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| ||1760: Hugh Ronalds born ... nurseryman who cultivated and documented 300 varieties of apples.
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| ||1790: France is divided into 83 départements, cutting across the former provinces in an attempt to dislodge regional loyalties based on ownership of land by the nobility.
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| ||1792: Isaac Lea born ... conchologist, geologist, and publisher.
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| File:Pierre-Simon, marquis de Laplace by Guérin.jpg|link=Pierre-Simon Laplace (nonfiction)|1821: Mathematician, physicist, astronomer, and crime-fighter [[Pierre-Simon Laplace (nonfiction)|Pierre-Simon Laplace]] publishes new class of [[Gnomon algorithm functions]] which detect and prevent [[crimes against mathematical constants]].
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| ||1822: Jules Antoine Lissajous born ... mathematician and academic ... after whom Lissajous figures are named. Among other innovations, Lissajous invented the Lissajous apparatus, a device that creates the figures that bear his name. In it, a beam of light is bounced off a mirror attached to a vibrating tuning fork, and then reflected off a second mirror attached to a perpendicularly oriented vibrating tuning fork (usually of a different pitch, creating a specific harmonic interval), onto a wall, resulting in a Lissajous figure. Pic.
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| ||1826: Theodore Judah born ... engineer, founded the Central Pacific Railroad.
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| ||1853: Christian Leopold von Buch dies ... geologist and paleontologist.
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| ||1837: Adolphe Quetelet predicts a meteor shower for the night of August 10th. First published prediction that Persid meteors were annual event. https://pballew.blogspot.com/2019/03/on-this-day-in-math-march-4.html Pic.
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| ||1837: The city of Chicago is incorporated.
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| ||1847: Carl Josef Bayer born ... chemist and academic.
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| ||1862: Jacob Robert Emden born ... astrophysicist and meteorologist.
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| ||1866: Eugène Cosserat born ... mathematician and astronomer.
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| ||1871: Boris Galerkin born ... mathematician and engineer.
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| ||1876: Theodore Hardeen born ... magician.
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| ||1877: Garrett Morgan born ... inventor.
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| File:Tolman and Einstein.jpg|link=Richard C. Tolman (nonfiction)|1881: Physicist and chemist [[Richard C. Tolman (nonfiction)|Richard C. Tolman]] born. He will make important contributions to theoretical cosmology in the years soon after Einstein's discovery of general relativity. | | File:Tolman and Einstein.jpg|link=Richard C. Tolman (nonfiction)|1881: Physicist and chemist [[Richard C. Tolman (nonfiction)|Richard C. Tolman]] born. He will make important contributions to theoretical cosmology in the years soon after Einstein's discovery of general relativity. |
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| ||1882: Britain's first electric trams run in east London.
| | File:Stillsuit of the Night.jpg|link=Stillsuit of the Night|'''''[[Stillsuit of the Night]]''''' is a 1982 neo-noir psychological thriller film about a Suk doctor (Roy Scheider) who falls in love with a Fremen (Meryl Streep) who may be the psychopathic killer of one of his patients. |
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| ||1889: Oscar Chisini born ... mathematician and statistician. | |
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| ||1891: Mathematician and academic David Hilbert submits article on his space filling curve, ''Über die stetige Abbildung einer Linie auf ein Flächenstück'' to the journal Mathematische Annalen. https://pballew.blogspot.com/2019/03/on-this-day-in-math-march-4.html *Wik Pic.
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| ||1893: Charles Herbert Colvin born ... engineer, co-founded the Pioneer Instrument Company.
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| ||1901: Wilbur R. Franks born ... scientist, invented the g-suit.
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| ||1903: Malcolm Dole born ... chemist and academic.
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| ||1903: John Scarne born ... magician and author.
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| ||1904: George Gamow born ... physicist and cosmologist.
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| ||1909: George Edward Holbrook born ... chemist and engineer.
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| ||1910: Knut Johan Ångström dies ... physicist. He investigated the radiation of heat from the sun, and terrestrial nocturnal emission and its absorption by the Earth's atmosphere; to that end devised various delicate methods and instruments, including his electric compensation pyrheliometer, invented in 1893, apparatus for obtaining a photographic representation of the infra-red spectrum (1895) and pyrgeometer (circa 1905) Pic.
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| ||1914: Ward Kimball born ... animator, producer, and screenwriter.
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| ||1914: Robert R. Wilson born ... physicist, sculptor, and architect.
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| ||1915: William Willett dies ... inventor, founded British Summer Time.
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| ||1916: Ernest William Titterton born ... nuclear physicist. Pic.
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| ||1923: Patrick Moore born ... astronomer and television host (d. 2012)
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| ||1927: Ira Remsen born ... chemist and academic (b. 1846)
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| File:Carnivorous_airships_circa_1930-31.jpg|link=Carnivorous dirigible|1931: US Navy says [[Carnivorous dirigible|Carnivorous dirigibles]] cannot be tamed, should be put down.
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| ||1932: Ed Roth born ... illustrator.
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| ||1934: Janez Strnad born ... physicist and academic, popularizer of natural science.
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| ||1935: Bent Larsen born ... chess player and author.
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| ||1944: Louis Buchalter dies ... mob boss.
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| ||1944: Louis Capone dies ... gangster.
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| ||1949 The first time the carbon-14 radioactive dating technique was used. To test the theory the method was used to determine the age of Egyptian artifacts where their age was already known. Willard Frank Libby dated a piece of wood from the Third Dynasty Pharaoh Djoser's tomb that was about 4,700 years old. This age was nearly the same as the half-life of carbon-14, they expected the concentration of carbon-14 would be half that found today. This test was successful. *about.com https://pballew.blogspot.com/2019/03/on-this-day-in-math-march-4.html
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| ||1952: Felix Ehrenhaft dies ... physicist who contributed to atomic physics, to the measurement of electrical charges and to the optical properties of metal colloids. He was known for his maverick and controversial style. Pic.
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| ||1952: Charles Scott Sherrington dies ... neurophysiologist, histologist, bacteriologist, and a pathologist, Nobel laureate and president of the Royal Society in the early 1920s.
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| ||1954: Mark Chorvinsk born ... magician and author.
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| ||1956 An Wang Sells Core Memory Patent to IBM: An Wang sells his patent for ferrite core memory to IBM for $500,000. One of the most important inventions in computer history, ferrite core memory was widely used in digital computers from the mid-1950s until the mid-1970s. The U.S. Patent Office awarded Wang the patent for what he called a pulse transfer controlling device in 1949. Jay Forrester at MIT is considered the inventor of core memory. *CHM https://pballew.blogspot.com/2019/03/on-this-day-in-math-march-4.html Pic search good: https://www.google.com/search?q=an+wang
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| ||1967: Michel Plancherel dies ... mathematician. He worked in the areas of mathematical analysis, mathematical physics and algebra, and is known for the Plancherel theorem in harmonic analysis. Pic.
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| ||1970: French submarine Eurydice explodes underwater, resulting in the loss of the entire 57-man crew.
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| ||1976: Walter H. Schottky dies ... physicist and engineer.
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| ||1977: The first Freon-cooled Cray-1 supercomputer, costing $19,000,000 , was shipped to Los Alamos Laboratories, NM, and was used to help the defense industry create sophisticated weapons systems. This system had a peak performance of 133 megaflops and used the newest technology, integrated circuits and vector register technology. The Cray-1 looked like no other computer before or since. It was a cylindrical machine 7 feet tall and 9 feet in diameter, weighed 30 tons and required its own electrical substation to provide it with power (an electric bill around $35,000/month). The inventor, Seymour Cray, died 5 Oct 1996 in an auto accident. His innovations included vector register technology, cooling technologies, and magnetic amplifiers.
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| ||1979 Voyager I photo reveals rings of Jupiter. *VFR https://pballew.blogspot.com/2019/03/on-this-day-in-math-march-4.html Pic.
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| ||1986: The Soviet Vega 1 begins returning images of Halley's Comet and the first images of its nucleus.
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| ||1986: Albert L. Lehninger dies ... biochemist and academic.
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| ||1993: Izaak Kolthoff dies ... chemist and academic.
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| ||1997: Robert H. Dicke dies ... physicist and astronomer ... made important contributions to the fields of astrophysics, atomic physics, cosmology and gravity.
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| ||2000: Hermann Brück dies ... physicist and astronomer.
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| ||2000: Ta-You Wu dies ... physicist and academic.
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| ||2001: Gerardo Barbero dies ... chess player.
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| ||2001: Fred Lasswell dies ... cartoonist.
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| ||2006: John Reynolds Gardiner dies ... author and engineer.
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| File:Hing Tong.jpg|link=Hing Tong (nonfiction)|2007: Mathematician [[Hing Tong (nonfiction)|Hing Tong]] dies. He made contributions to algebraic topology, including a proof of the Katetov–Tong insertion theorem. | | File:Hing Tong.jpg|link=Hing Tong (nonfiction)|2007: Mathematician [[Hing Tong (nonfiction)|Hing Tong]] dies. He made contributions to algebraic topology, including a proof of the Katetov–Tong insertion theorem. |
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| File:Cantor Parabola.jpg|link=Cantor Parabola|2007: Math photographer [[Cantor Parabola]] publishes new class of [[Gnomon algorithm]] functions which uses [[Time crystal (nonfiction)|time crystals]] to reveal centuries-old events.
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| File:Gary Gygax Gen Con 2007.jpg|link=Gary Gygax (nonfiction)|2008: Game designer [[Gary Gygax (nonfiction)|Gary Gygax]] dies. He co-created the pioneering role-playing game [[Dungeons & Dragons (nonfiction)|Dungeons & Dragons]] (D&D) with Dave Arneson. | | File:Gary Gygax Gen Con 2007.jpg|link=Gary Gygax (nonfiction)|2008: Game designer [[Gary Gygax (nonfiction)|Gary Gygax]] dies. He co-created the pioneering role-playing game [[Dungeons & Dragons (nonfiction)|Dungeons & Dragons]] (D&D) with Dave Arneson. |
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| ||2011: Alenush Terian dies ... astronomer and physicist.
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| ||2011: Simon van der Meer dies ... physicist and academic, Nobel Prize laureate.
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| ||2014: Jack Kinzler dies ... engineer.
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| File:Cantor Parabola and Gnotilus at Athens.jpg|link=Cantor Parabola and Gnotilus at Athens|2016: ''[[Cantor Parabola and Gnotilus at Athens]]'' hailed as "a triumph of art and crime-fighting." [[Cantor Parabola|Parabola]]'s work will influence a generation of [[Mathematician|mathematicians]].
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| </gallery> | | </gallery> |
