Template:Selected anniversaries/May 21: Difference between revisions

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File:Georg Scheutz.jpg|link=Per Georg Scheutz (nonfiction)|1859: Lawyer, translator, inventor, and [[APTO]] operative [[Per Georg Scheutz (nonfiction)|Per Georg Scheutz]] uses his Scheutzian calculation engine to defeat the [[Forbidden Ratio]] in single combat.
File:Georg Scheutz.jpg|link=Per Georg Scheutz (nonfiction)|1859: Lawyer, translator, inventor, and [[APTO]] operative [[Per Georg Scheutz (nonfiction)|Per Georg Scheutz]] uses his Scheutzian calculation engine to defeat the [[Forbidden Ratio]] in single combat.


||1860 – Willem Einthoven, Indonesian-Dutch physician, physiologist, and academic, Nobel Prize laureate (d. 1927)
||1860: Willem Einthoven born ... physician, physiologist, and academic, Nobel Prize laureate.


||1871 – French troops invade the Paris Commune and engage its residents in street fighting. By the close of "Bloody Week", some 20,000 communards have been killed and 38,000 arrested.
||1871: French troops invade the Paris Commune and engage its residents in street fighting. By the close of "Bloody Week", some 20,000 communards have been killed and 38,000 arrested.


||Marcus Beck (d. 21 May 1893) was a British professor of surgery at University College Hospital. He was an early proponent of the germ theory of disease and promoted the discoveries of Louis Pasteur, Robert Koch, and Joseph Lister in surgical literature of the time.  
||1893: Marcus Beck dies ... professor of surgery at University College Hospital. He was an early proponent of the germ theory of disease and promoted the discoveries of Louis Pasteur, Robert Koch, and Joseph Lister in surgical literature of the time.  


||1894 – August Kundt, German physicist and academic (b. 1839)
||1894: August Kundt dies ... physicist and academic.


||1894 – The Manchester Ship Canal in the United Kingdom is officially opened by Queen Victoria, who later knights its designer Sir Edward Leader Williams.
||1894: The Manchester Ship Canal in the United Kingdom is officially opened by Queen Victoria, who later knights its designer Sir Edward Leader Williams.


||Camillo Herbert Grötzsch (b. 21 May 1902) was a German mathematician. He was born in Döbeln and died in Halle. Grötzsch worked in graph theory. He was the discoverer and eponym of the Grötzsch graph, a triangle-free graph that requires four colors in any graph coloring, and Grötzsch's theorem, the result that every triangle-free planar graph requires at most three colors.
||1902: Camillo Herbert Grötzsch born ... mathematician. He was born in Döbeln and died in Halle. Grötzsch worked in graph theory. He was the discoverer and eponym of the Grötzsch graph, a triangle-free graph that requires four colors in any graph coloring, and Grötzsch's theorem, the result that every triangle-free planar graph requires at most three colors.


||1911 – Williamina Fleming, Scottish-American astronomer and academic (b. 1857)
||1911: Williamina Fleming dies ... astronomer and academic.


||1919 – Evgraf Fedorov, Russian mathematician, crystallographer, and mineralogist (b. 1853)
||1917: Thomas Christian Sneum born ... Danish pilot. He collected information about the German Freya radar that had been installed on his home island in Denmark. On the night of 21–22 June 1941 he and pilot Kjeld Pedersen made a spectacular escape from Denmark to Great Britain in a D.H. Hornet Moth. Pic: https://alchetron.com/Thomas-Sneum


||1921 – Sandy Douglas, English computer scientist and academic, designed OXO (d. 2010)
||1919: Evgraf Fedorov dies ... mathematician, crystallographer, and mineralogist.


||1921 – Andrei Sakharov, Russian physicist and academic, Nobel Prize laureate (d. 1989)
||1921: Sandy Douglas born ... computer scientist and academic, designed OXO.
 
||1921: Andrei Sakharov born ... physicist and academic, Nobel Prize laureate.


File:Armand Borel.jpg|link=Armand Borel (nonfiction)|1923: Mathematician and academic [[Armand Borel (nonfiction)|Armand Borel]] born. He will work in algebraic topology, and in the theory of Lie groups.  He will contribute to the creation of the contemporary theory of linear algebraic groups.
File:Armand Borel.jpg|link=Armand Borel (nonfiction)|1923: Mathematician and academic [[Armand Borel (nonfiction)|Armand Borel]] born. He will work in algebraic topology, and in the theory of Lie groups.  He will contribute to the creation of the contemporary theory of linear algebraic groups.


|link=File:Charles Lindbergh.jpg|1924 – University of Chicago students Richard Loeb and Nathan Leopold, Jr. murder 14-year-old Bobby Franks in a "thrill killing".
||1924 – University of Chicago students Richard Loeb and Nathan Leopold, Jr. murder 14-year-old Bobby Franks in a "thrill killing".


File:Charles Lindbergh.jpg|link=Charles Lindbergh (nonfiction)|1927: [[Charles Lindbergh (nonfiction)|Charles Lindbergh]] touches down at Le Bourget Field in Paris, completing the world's first solo nonstop flight across the Atlantic Ocean.
File:Charles Lindbergh.jpg|link=Charles Lindbergh (nonfiction)|1927: [[Charles Lindbergh (nonfiction)|Charles Lindbergh]] touches down at Le Bourget Field in Paris, completing the world's first solo nonstop flight across the Atlantic Ocean.

Revision as of 05:44, 11 October 2018

  • 1471: Painter, engraver, and mathematician Albrecht Dürer born. He will introduction of classical motifs into Northern art through his knowledge of Italian artists and German humanists.

    1471: Painter, engraver, and mathematician Albrecht Dürer born. He will introduction of classical motifs into Northern art through his knowledge of Italian artists and German humanists.

  • 1670: Astronomer and physicist Niccolò Zucchi dies. He published works on astronomy, optics, mechanics, and magnetism.

    1670: Astronomer and physicist Niccolò Zucchi dies. He published works on astronomy, optics, mechanics, and magnetism.

  • 1859: Lawyer, translator, inventor, and APTO operative Per Georg Scheutz uses his Scheutzian calculation engine to defeat the Forbidden Ratio in single combat.

    1859: Lawyer, translator, inventor, and APTO operative Per Georg Scheutz uses his Scheutzian calculation engine to defeat the Forbidden Ratio in single combat.

  • 1923: Mathematician and academic Armand Borel born. He will work in algebraic topology, and in the theory of Lie groups. He will contribute to the creation of the contemporary theory of linear algebraic groups.

    1923: Mathematician and academic Armand Borel born. He will work in algebraic topology, and in the theory of Lie groups. He will contribute to the creation of the contemporary theory of linear algebraic groups.

  • 1927: Charles Lindbergh touches down at Le Bourget Field in Paris, completing the world's first solo nonstop flight across the Atlantic Ocean.

    1927: Charles Lindbergh touches down at Le Bourget Field in Paris, completing the world's first solo nonstop flight across the Atlantic Ocean.

  • 1927: Pilot, engineer, and alleged time-traveler Henrietta Bolt touches down at Le Bourget Field in Paris, completing the world's first solo nonstop round-the-world flight.

    1927: Pilot, engineer, and alleged time-traveler Henrietta Bolt touches down at Le Bourget Field in Paris, completing the world's first solo nonstop round-the-world flight.

  • 1932: Bad weather forces Amelia Earhart to land in a pasture in Derry, Northern Ireland, and she thereby becomes the first woman to fly solo across the Atlantic Ocean.

    1932: Bad weather forces Amelia Earhart to land in a pasture in Derry, Northern Ireland, and she thereby becomes the first woman to fly solo across the Atlantic Ocean.

  • 1946: Physicist Louis Slotin is fatally irradiated in a criticality incident during an experiment with the demon core at Los Alamos National Laboratory.

    1946: Physicist Louis Slotin is fatally irradiated in a criticality incident during an experiment with the demon core at Los Alamos National Laboratory.

  • 1953: Logician and mathematician Ernst Friedrich Ferdinand Zermelo dies. His work had major implications for the foundations of mathematics; he is known for his role in developing Zermelo–Fraenkel axiomatic set theory, and for his proof of the well-ordering theorem.

    1953: Logician and mathematician Ernst Friedrich Ferdinand Zermelo dies. His work had major implications for the foundations of mathematics; he is known for his role in developing Zermelo–Fraenkel axiomatic set theory, and for his proof of the well-ordering theorem.

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