Template:Selected anniversaries/March 31: Difference between revisions

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File:René Descartes.jpg|link=René Descartes (nonfiction)|1596: Mathematician and philosopher [[René Descartes (nonfiction)|René Descartes]] born. He will be remembered as the father of modern Western philosophy.
File:René Descartes.jpg|link=René Descartes (nonfiction)|1596: Mathematician and philosopher [[René Descartes (nonfiction)|René Descartes]] born. He will be remembered as the father of modern Western philosophy.


||1730 – Étienne Bézout, French mathematician and theorist (d. 1783)
||1730: Étienne Bézout born ... mathematician and theorist.


||1777 – Charles Cagniard de la Tour, French physicist and engineer (d. 1859)
||1777: Charles Cagniard de la Tour born ... physicist and engineer.


||Archibald Scott Couper (b. 31 March 1831) was a Scottish chemist who proposed an early theory of chemical structure and bonding. He developed the concepts of tetravalent carbon atoms linking together to form large molecules, and that the bonding order of the atoms in a molecule can be determined from chemical evidence. Pic.
||1806: Thomas Penyngton Kirkman FRS (31 March 1806 – 3 February 1895) was a British mathematician and ordained minister of the Church of England. Pic: https://ca.wikipedia.org/wiki/Thomas_Kirkman


||Diederik Johannes Korteweg (b. 31 March 1848) was a Dutch mathematician. He is now best remembered for his work on the Korteweg–de Vries equation, together with Gustav de Vries.
||1831: Archibald Scott Couper born ... chemist who proposed an early theory of chemical structure and bonding. He developed the concepts of tetravalent carbon atoms linking together to form large molecules, and that the bonding order of the atoms in a molecule can be determined from chemical evidence. Pic.


||1847 – Yegor Ivanovich Zolotarev, Russian mathematician and theorist (d. 1878) Yegor (Egor) Ivanovich Zolotarev (March 31, 1847) was a Russian mathematician.
||1848: Diederik Johannes Korteweg born ... mathematician. He is now best remembered for his work on the Korteweg–de Vries equation, together with Gustav de Vries.
 
||1847: Yegor Ivanovich Zolotarev ... mathematician and theorist.


||1850: Charles Doolittle Walcott born ... paleontologist, administrator of the Smithsonian Institution from 1907 to 1927, and geologist. He is famous for his discovery in 1909 of well-preserved fossils in the Burgess Shale of British Columbia, Canada. Pic.
||1850: Charles Doolittle Walcott born ... paleontologist, administrator of the Smithsonian Institution from 1907 to 1927, and geologist. He is famous for his discovery in 1909 of well-preserved fossils in the Burgess Shale of British Columbia, Canada. Pic.
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File:USS Cairo.jpg|link=USS Cairo (nonfiction)|1861: [[USS Cairo (nonfiction)|USS Cairo]] retrofitted with military [[scrying engine]] device.
File:USS Cairo.jpg|link=USS Cairo (nonfiction)|1861: [[USS Cairo (nonfiction)|USS Cairo]] retrofitted with military [[scrying engine]] device.


||Friedrich Julius Richelot (d. 31 March 1875) was a German mathematician. Richelot authored numerous publications in German, French and Latin, among them — with his 1832 dissertation — the first known guide to the Euclidean construction of the regular 257-gon with compass and straightedge. Pic.
||1875: Friedrich Julius Richelot ... mathematician. Richelot authored numerous publications in German, French and Latin, among them — with his 1832 dissertation — the first known guide to the Euclidean construction of the regular 257-gon with compass and straightedge. Pic.


File:Antoine Augustin Cournot.jpg|link=Antoine Augustin Cournot (nonfiction)|1877: Mathematician and philosopher [[Antoine Augustin Cournot (nonfiction)|Antoine Augustin Cournot]] dies. He introduced the ideas of functions and probability into economic analysis.
File:Antoine Augustin Cournot.jpg|link=Antoine Augustin Cournot (nonfiction)|1877: Mathematician and philosopher [[Antoine Augustin Cournot (nonfiction)|Antoine Augustin Cournot]] dies. He introduced the ideas of functions and probability into economic analysis.


||1884 – Adriaan van Maanen, Dutch-American astronomer and academic (d. 1946)
||1884: Adriaan van Maanen ... astronomer and academic.


||1889 – The Eiffel Tower is officially opened.
||1889: The Eiffel Tower is officially opened.


||1890 – William Lawrence Bragg, Australian-English physicist and academic, Nobel Prize laureate (d. 1971) Sir William Lawrence Bragg CH, OBE, MC, FRS[1] (31 March 1890 – 1 July 1971) was an Australian-born British physicist and X-ray crystallographer, discoverer (1912) of Bragg's law of X-ray diffraction, which is basic for the determination of crystal structure. He was joint winner (with his father, William Henry Bragg) of the Nobel Prize in Physics in 1915
||1890: William Lawrence Bragg born ... physicist and academic, Nobel Prize laureate (d. 1971) ... X-ray crystallographer, discoverer (1912) of Bragg's law of X-ray diffraction, which is basic for the determination of crystal structure. He was joint winner (with his father, William Henry Bragg) of the Nobel Prize in Physics in 1915.


||Shin'ichirō Tomonaga (b. March 31, 1906), usually cited as Sin-Itiro Tomonaga in English, was a Japanese physicist, influential in the development of quantum electrodynamics, work for which he was jointly awarded the Nobel Prize in Physics in 1965 along with Richard Feynman and Julian Schwinger. Pic.
||1906: Shin'ichirō Tomonaga born ... physicist, influential in the development of quantum electrodynamics, work for which he was jointly awarded the Nobel Prize in Physics in 1965 along with Richard Feynman and Julian Schwinger. Pic.


||Klaus Wagner (b. March 31, 1910) was a German mathematician - topology, graph theory. Wagner's theorem characterizes the planar graphs as exactly those graphs that do not have as a minor either a complete graph K5 on five vertices or a complete bipartite graph K3,3 with three vertices on each side of its bipartition. Pic.
||1910: Klaus Wagner born ... mathematician - topology, graph theory. Wagner's theorem characterizes the planar graphs as exactly those graphs that do not have as a minor either a complete graph K5 on five vertices or a complete bipartite graph K3,3 with three vertices on each side of its bipartition. Pic.


||1918 – Daylight saving time goes into effect in the United States for the first time.
||1918: Daylight saving time goes into effect in the United States for the first time.


||Paul Gustav Heinrich Bachmann (d. 31 March 1920) was a German mathematician. His major works include ''Analytische Zahlentheorie'', a work on analytic number theory in which Big O notation was first introduced.
||1920: Paul Gustav Heinrich Bachmann dies ... mathematician. His major works include ''Analytische Zahlentheorie'', a work on analytic number theory in which Big O notation was first introduced.


||1945 – Hans Fischer, German chemist and academic, Nobel Prize laureate (b. 1881)
||1945: Hans Fischer dies ... chemist and academic, Nobel Prize laureate (b. 1881)


||1945 – World War II: A defecting German pilot delivers a Messerschmitt Me 262A-1, the world's first operational jet-powered fighter aircraft, to the Americans, the first to fall into Allied hands.
||1945: World War II: A defecting German pilot delivers a Messerschmitt Me 262A-1, the world's first operational jet-powered fighter aircraft, to the Americans, the first to fall into Allied hands.


||1947 – Eliyahu M. Goldratt, Israeli physicist and economist (d. 2011)
||1947: Eliyahu M. Goldratt born ... physicist and economist.


||1951 – Remington Rand delivers the first UNIVAC I computer to the United States Census Bureau.
||1951: Remington Rand delivers the first UNIVAC I computer to the United States Census Bureau.


||1966 – The Soviet Union launches Luna 10 which later becomes the first space probe to enter orbit around the Moon.
||1966: The Soviet Union launches Luna 10 which later becomes the first space probe to enter orbit around the Moon.


File:Robin Farquharson.jpg|link=Robin Farquharson (nonfiction)|1967: Mathematician and crime-fighter [[Robin Farquharson (nonfiction)|Robin Farquharson]] publishes proof that most voting systems are vulnerable to [[crimes against mathematical constants]].
File:Robin Farquharson.jpg|link=Robin Farquharson (nonfiction)|1967: Mathematician and crime-fighter [[Robin Farquharson (nonfiction)|Robin Farquharson]] publishes proof that most voting systems are vulnerable to [[crimes against mathematical constants]].


||1970 – Explorer 1 re-enters the Earth's atmosphere after 12 years in orbit.
||1970: Explorer 1 re-enters the Earth's atmosphere after 12 years in orbit.
 
|File:Pin Man.jpg|link=Pin Man|1985: [[Pin Man]] publishes his autobiography.  He will quickly receive both praise and death threats.


File:Coxeter circles.png|link=Coxeter's loxodromic sequence of tangent circles (nonfiction)|1971: Mathematician and crime-fighter Harold Scott MacDonald Coxeter uses his famous [[Coxeter's loxodromic sequence of tangent circles (nonfiction)|loxodromic sequence of tangent circles]] to detect and prevent [[crimes against mathematical constants]].  
File:Coxeter circles.png|link=Coxeter's loxodromic sequence of tangent circles (nonfiction)|1971: Mathematician and crime-fighter Harold Scott MacDonald Coxeter uses his famous [[Coxeter's loxodromic sequence of tangent circles (nonfiction)|loxodromic sequence of tangent circles]] to detect and prevent [[crimes against mathematical constants]].  


||Friedrich Hermann Hund (d. 31 March 1997) was a German physicist from Karlsruhe known for his work on atoms and molecules.
||1997: Friedrich Hermann Hund dies ... physicist known for his work on atoms and molecules.


||Lyman Strong Spitzer, Jr. (d. March 31, 1997) was an American theoretical physicist, astronomer and mountaineer. As a scientist, he carried out research into star formation, plasma physics, and in 1946, conceived the idea of telescopes operating in outer space. Spitzer invented the stellarator plasma device. Pic.
||1997: Lyman Strong Spitzer, Jr. dies ... theoretical physicist, astronomer and mountaineer. As a scientist, he carried out research into star formation, plasma physics, and in 1946, conceived the idea of telescopes operating in outer space. Spitzer invented the stellarator plasma device. Pic.


File:Clifford Shull 1949.jpg|link=Clifford Shull (nonfiction)|2001: Physicist and academic [[Clifford Shull (nonfiction)|Clifford Shull]] dies. He shared the 1994 Nobel Prize in Physics with Bertram Brockhouse for the development of the neutron scattering technique.
File:Clifford Shull 1949.jpg|link=Clifford Shull (nonfiction)|2001: Physicist and academic [[Clifford Shull (nonfiction)|Clifford Shull]] dies. He shared the 1994 Nobel Prize in Physics with Bertram Brockhouse for the development of the neutron scattering technique.
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File:Tan Lei.jpg|link=Tan Lei (nonfiction)|2004: Mathematician [[Tan Lei (nonfiction)|Tan Lei]] and crime-fighter publishes study of complex dynamics and functions of complex numbers with applications in the detection and prevention of [[crimes against mathematical constants]].
File:Tan Lei.jpg|link=Tan Lei (nonfiction)|2004: Mathematician [[Tan Lei (nonfiction)|Tan Lei]] and crime-fighter publishes study of complex dynamics and functions of complex numbers with applications in the detection and prevention of [[crimes against mathematical constants]].


|File:Halobaena caerulea in flight - SE Tasmania.jpg|link=Stomach Oil Exporting Petrels|2017: [[Stomach Oil Exporting Petrels|SOEP cartel]] threatens to shoot [[Stomach oil (nonfiction)|stomach oil smugglers]] on sight.
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Revision as of 13:42, 27 August 2018

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