Template:Selected anniversaries/January 15: Difference between revisions

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||1785: William Prout born ... chemist, physician, and natural theologian. He is remembered today mainly for what is called Prout's hypothesis. Pic.
||1785: William Prout born ... chemist, physician, and natural theologian. He is remembered today mainly for what is called Prout's hypothesis. Pic.


||1790: John Landen dies ... mathematician and theorist. Pic search good:  
||1790: John Landen dies ... mathematician and theorist. Pic search: https://www.google.com/search?q=john+landen


||1814: Ludwig Schläfli born ... mathematician, specializing in geometry and complex analysis (at the time called function theory) who was one of the key figures in developing the notion of higher-dimensional spaces. Pic.
||1814: Ludwig Schläfli born ... mathematician, specializing in geometry and complex analysis (at the time called function theory) who was one of the key figures in developing the notion of higher-dimensional spaces. Pic.
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|link=|1818: Physicist Augustin Fresnel signs a seminal "supplement" (submitted four days later) on reflection of polarized light. It is Fresnel who will eventually solve the formidable problem of accounting for the directions and polarizations of the refracted rays in [[David Brewster (nonfiction)|David Brewster]]'s biaxial crystals.
|link=|1818: Physicist Augustin Fresnel signs a seminal "supplement" (submitted four days later) on reflection of polarized light. It is Fresnel who will eventually solve the formidable problem of accounting for the directions and polarizations of the refracted rays in [[David Brewster (nonfiction)|David Brewster]]'s biaxial crystals.


||1850: Leonard Darwin born ... English soldier, eugenicist, and politician.
||1850: Leonard Darwin born ... English soldier, eugenicist, and politician. Pic.


||1850: Sofia Kovalevskaya dies ... mathematician and physicist ... made noteworthy contributions to analysis, partial differential equations and mechanics. She was the first major Russian female mathematician and a pioneer for women in mathematics around the world.
||1850: Sofia Kovalevskaya dies ... mathematician and physicist ... made noteworthy contributions to analysis, partial differential equations and mechanics. She was the first major Russian female mathematician and a pioneer for women in mathematics around the world. Pic.


||1855: Henri Braconnot dies ... chemist and pharmacist. Pic.
||1855: Henri Braconnot dies ... chemist and pharmacist. Pic.


||1864: Christian Ludwig Gerling dies ... studied under Carl Friedrich Gauss, obtaining his doctorate in 1812 for a thesis entitled: Methodi proiectionis orthographicae usum ad calculos parallacticos facilitandos explicavit simulque eclipsin solarem die, at the University of Göttingen. He is notable for his work on geodetics and in 1927 some 60 letters of correspondence between Gerling and Gauss on the topic were published.  
||1864: Christian Ludwig Gerling dies ... studied under Carl Friedrich Gauss, obtaining his doctorate in 1812 for a thesis entitled: Methodi proiectionis orthographicae usum ad calculos parallacticos facilitandos explicavit simulque eclipsin solarem die, at the University of Göttingen. He is notable for his work on geodetics and in 1927 some 60 letters of correspondence between Gerling and Gauss on the topic were published. Pic.


||1876: Willem van der Woude born ... mathematician. Pic.
||1876: Willem van der Woude born ... mathematician. Pic.
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||1893: Erwin Otto Marx born ... electrical engineer who invented the Marx generator, a device for producing high voltage electrical pulses. He worked on electrical power distribution via long distances. Pic search good: https://www.google.com/search?q=Erwin+Otto+Marx
||1893: Erwin Otto Marx born ... electrical engineer who invented the Marx generator, a device for producing high voltage electrical pulses. He worked on electrical power distribution via long distances. Pic search good: https://www.google.com/search?q=Erwin+Otto+Marx


||1895: Artturi Ilmari Virtanen born ... chemist and academic, Nobel Prize laureate.
||1895: Artturi Ilmari Virtanen born ... chemist and academic, Nobel Prize laureate. Pic.


File:Mathew Brady 1875.jpg|link=Mathew Brady (nonfiction)|1896: Photographer and journalist [[Mathew Brady (nonfiction)|Mathew Brady]] dies. He was one of the first American photographers, best known for his scenes of the Civil War.
File:Mathew Brady 1875.jpg|link=Mathew Brady (nonfiction)|1896: Photographer and journalist [[Mathew Brady (nonfiction)|Mathew Brady]] dies. He was one of the first American photographers, best known for his scenes of the Civil War.
||1908: Edward Teller born ... physicist and academic. Pic.


File:Edward Teller 1958.jpg|link=Edward Teller (nonfiction)|1908: Theoretical physicist and academic [[Edward Teller (nonfiction)|Edward Teller]] born. He will be known colloquially as "the father of the hydrogen bomb", although he will not care for the epithet.
File:Edward Teller 1958.jpg|link=Edward Teller (nonfiction)|1908: Theoretical physicist and academic [[Edward Teller (nonfiction)|Edward Teller]] born. He will be known colloquially as "the father of the hydrogen bomb", although he will not care for the epithet.
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|File:Venera 7.jpg|link=Venera 7 (nonfiction)|1970: Soviet spacecraft [[Venera 7 (nonfiction)|Venera 7]] modified to run [["Hello World!" program (nonfiction)|"Hello World" program]].
|File:Venera 7.jpg|link=Venera 7 (nonfiction)|1970: Soviet spacecraft [[Venera 7 (nonfiction)|Venera 7]] modified to run [["Hello World!" program (nonfiction)|"Hello World" program]].


||1973: Ivan Georgievich Petrovsky dies ... mathematician working mainly in the field of partial differential equations. He greatly contributed to the solution of Hilbert's 19th and 16th problems, and discovered what are now called Petrovsky lacunas. He also worked on the theories of boundary value problems, probability, and on the topology of algebraic curves and surfaces.
||1973: Ivan Petrovsky dies ... mathematician working mainly in the field of partial differential equations. He greatly contributed to the solution of Hilbert's 19th and 16th problems, and discovered what are now called Petrovsky lacunas. He also worked on the theories of boundary value problems, probability, and on the topology of algebraic curves and surfaces. Pic search: https://www.google.com/search?q=Ivan+Georgievich+Petrovsky


||1973: Vietnam War: Citing progress in peace negotiations, President Richard Nixon announces the suspension of offensive action in North Vietnam.
||1973: Vietnam War: Citing progress in peace negotiations, President Richard Nixon announces the suspension of offensive action in North Vietnam.
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||2001: Wikipedia, a free wiki content encyclopedia, goes online.
||2001: Wikipedia, a free wiki content encyclopedia, goes online.


||2001: Leo Marks dies ... cryptographer, playwright, and screenwriter.
||2001: Leo Marks dies ... cryptographer, playwright, and screenwriter. Pic.


File:Superimposed Fraunhofer.jpg|link=Superimposed Fraunhofer|2003: Chromatographic analysis of the famous [[Superimposed Fraunhofer]] misprint stamps reveals "at least fifty, perhaps as many as sixty" previously unknown [[Color (nonfiction)|colors]].
File:Superimposed Fraunhofer.jpg|link=Superimposed Fraunhofer|2003: Chromatographic analysis of the famous [[Superimposed Fraunhofer]] misprint stamps reveals "at least fifty, perhaps as many as sixty" previously unknown [[Color (nonfiction)|colors]].

Revision as of 10:18, 15 January 2020

  • 1450: Polymath, cartographer, globe-builder, and crime-fighter Johannes Schöner demonstrates new type of globe which uses scrying engine techniques to detect and prevent crimes against geology.

    1450: Polymath, cartographer, globe-builder, and crime-fighter Johannes Schöner demonstrates new type of globe which uses scrying engine techniques to detect and prevent crimes against geology.

  • 1623: Statesman, scientist, and historian Paolo Sarpi dies. He was a proponent of the Copernican system, a friend and patron of Galileo Galilei, and a keen follower of the latest research on anatomy, astronomy, and ballistics at the University of Padua.

    1623: Statesman, scientist, and historian Paolo Sarpi dies. He was a proponent of the Copernican system, a friend and patron of Galileo Galilei, and a keen follower of the latest research on anatomy, astronomy, and ballistics at the University of Padua.

  • 1818: A paper by British physicist David Brewster is read to the Royal Society, belatedly announcing his discovery of what we now call the biaxial class of doubly-refracting crystals.

    1818: A paper by British physicist David Brewster is read to the Royal Society, belatedly announcing his discovery of what we now call the biaxial class of doubly-refracting crystals.

  • 1896: Photographer and journalist Mathew Brady dies. He was one of the first American photographers, best known for his scenes of the Civil War.

    1896: Photographer and journalist Mathew Brady dies. He was one of the first American photographers, best known for his scenes of the Civil War.

  • 1908: Theoretical physicist and academic Edward Teller born. He will be known colloquially as "the father of the hydrogen bomb", although he will not care for the epithet.

    1908: Theoretical physicist and academic Edward Teller born. He will be known colloquially as "the father of the hydrogen bomb", although he will not care for the epithet.

  • 1945: Mathematician Wilhelm Wirtinger dies. He contributed to complex analysis, geometry, algebra, number theory, Lie groups and knot theory.

    1945: Mathematician Wilhelm Wirtinger dies. He contributed to complex analysis, geometry, algebra, number theory, Lie groups and knot theory.

  • 1982: Fantasy Voronoi diagram commentators say that the upcoming Stardust mission "is certain to return interesting samples of dust from the coma of comet Wild 2."

    1982: Fantasy Voronoi diagram commentators say that the upcoming Stardust mission "is certain to return interesting samples of dust from the coma of comet Wild 2."

  • 2003: Chromatographic analysis of the famous Superimposed Fraunhofer misprint stamps reveals "at least fifty, perhaps as many as sixty" previously unknown colors.

    2003: Chromatographic analysis of the famous Superimposed Fraunhofer misprint stamps reveals "at least fifty, perhaps as many as sixty" previously unknown colors.

  • 2006: A capsule of dust samples collected by the spacecraft Stardust returns to Earth.

    2006: A capsule of dust samples collected by the spacecraft Stardust returns to Earth.

  • 2018: High-energy physicists discover a "Greedy coloring" particle which "drains all the color from color commentary."

    2018: High-energy physicists discover a "Greedy coloring" particle which "drains all the color from color commentary."

  • 2019: Phaeton 9 voted Picture of the Day by the citizens of New Minneapolis, Canada.

    2019: Phaeton 9 voted Picture of the Day by the citizens of New Minneapolis, Canada.

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