Template:Selected anniversaries/January 30: Difference between revisions

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|| *** DONE: Pics ***
|| *** TOPIC: Aircraft designers
||1606: Everard Digby dies ... a member of the group of provincial English Catholics who planned the failed Gunpowder Plot of 1605. No DOB. Pic.
||1606: Everard Digby dies ... a member of the group of provincial English Catholics who planned the failed Gunpowder Plot of 1605. No DOB. Pic.


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||1610: Galileo writes to Belisario Vinta, with notes on his long observation of the moon with a new twenty-power scope. A letter containing much of what was to appear about the Moon in Sidereus Nuncius, two months later. *Drake, Galileo at Work; 1978  https://pballew.blogspot.com/2019/01/on-this-day-in-math-january-30.html
||1610: Galileo writes to Belisario Vinta, with notes on his long observation of the moon with a new twenty-power scope. A letter containing much of what was to appear about the Moon in Sidereus Nuncius, two months later. *Drake, Galileo at Work; 1978  https://pballew.blogspot.com/2019/01/on-this-day-in-math-january-30.html


||1619: Michelangelo Ricci born ... In 1666, he found the tangent lines to the parabolas of Fermat. *VFR Michelangelo Ricci was a friend of Torricelli; in fact both were taught by Benedetti Castelli. He studied theology and law in Rome and at this time he became friends with René de Sluze. It is clear that Sluze, Torricelli and Ricci had a considerable influence on each other in the mathematics which they studied. Ricci made his career in the Church. His income came from the Church, certainly from 1650 he received such funds, but perhaps surprisingly he was never ordained. Ricci served the Pope in several different roles before being made a cardinal by Pope Innocent XI in 1681. Ricci's main work was Exercitatio geometrica, De maximis et minimis (1666) which was later reprinted as an appendix to Nicolaus Mercator's Logarithmo-technia (1668). It only consisted of 19 pages and it is remarkable that his high reputation rests solely on such a short publication. In this work Ricci finds the maximum of xm(a - x)n and the tangents to ym = kxn. The methods are early examples of induction. He also studied spirals (1644), generalised cycloids (1674) and states explicitly that finding tangents and finding areas are inverse operations (1668). *SAU Pic.
File:Michelangelo Ricci.jpg|link=Michelangelo Ricci (nonfiction)|1619: Mathematician and cardinal [[Michelangelo Ricci (nonfiction)|Michelangelo Ricci]] born. Ricci will play a significant part in the theoretical debates and experiments that lead up to Torricelli's discovery of atmospheric pressure and invention of the mercury barometer.


File:Oliver Cromwell by Samuel Cooper.jpg|link=Oliver Cromwell (nonfiction)|1661: [[Oliver Cromwell (nonfiction)|Oliver Cromwell]], Lord Protector of the Commonwealth of England, is ritually executed more than two years after his death, on the 12th anniversary of the execution of the monarch he himself deposed.
File:Oliver Cromwell by Samuel Cooper.jpg|link=Oliver Cromwell (nonfiction)|1661: [[Oliver Cromwell (nonfiction)|Oliver Cromwell]], Lord Protector of the Commonwealth of England, is ritually executed more than two years after his death, on the 12th anniversary of the execution of the monarch he himself deposed.
File:William Oughtred.jpg|link=William Oughtred (nonfiction)|1661: Mathematician [[William Oughtred (nonfiction)|William Oughtred]] uses [[Gnomon algorithm functions]] to extract data from the severed head of [[Oliver Cromwell (nonfiction)|Oliver Cromwell]].


File:James Watt.jpg|link=James Watt (nonfiction)|1736: inventor, engineer, and chemist [[James Watt (nonfiction)|James Watt]] born. He will make major improvements to the steam engine.
File:James Watt.jpg|link=James Watt (nonfiction)|1736: inventor, engineer, and chemist [[James Watt (nonfiction)|James Watt]] born. He will make major improvements to the steam engine.
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||1865: Georg Landsberg born ... mathematician, known for his work in the theory of algebraic functions and on the Riemann–Roch theorem. The Takagi–Landsberg curve, a fractal that is the graph of a nowhere-differentiable but uniformly continuous function, is named after Teiji Takagi and him. Pic: https://commons.wikimedia.org/wiki/File:Georg_Landsberg_(HeidICON_28864).jpg
||1865: Georg Landsberg born ... mathematician, known for his work in the theory of algebraic functions and on the Riemann–Roch theorem. The Takagi–Landsberg curve, a fractal that is the graph of a nowhere-differentiable but uniformly continuous function, is named after Teiji Takagi and him. Pic: https://commons.wikimedia.org/wiki/File:Georg_Landsberg_(HeidICON_28864).jpg
File:Herman_Hollerith.jpg|link=Herman Hollerith (nonfiction)|1884: Inventor [[Herman Hollerith (nonfiction)|Herman Hollerith]] invents new type of [[scrying engine]] which generates images from residual consciousness in the severed head of [[Oliver Cromwell (nonfiction)|Oliver Cromwell]].


||1894: Moritz Abraham Stern dies ... mathematician. Stern was interested in primes that cannot be expressed as the sum of a prime and twice a square (now known as Stern primes). He is known for formulating Stern's diatomic series, which counts the number of ways to write a number as a sum of powers of two with no power used more than twice. Pic.
||1894: Moritz Abraham Stern dies ... mathematician. Stern was interested in primes that cannot be expressed as the sum of a prime and twice a square (now known as Stern primes). He is known for formulating Stern's diatomic series, which counts the number of ways to write a number as a sum of powers of two with no power used more than twice. Pic.
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||1912: Werner Hartmann born ... physicist and academic. Pic.
||1912: Werner Hartmann born ... physicist and academic. Pic.


||1917: James H. Critchfield born ... American CIA officer. Pic search yes: https://www.google.com/search?q=James+H.+Critchfield
||1917: James H. Critchfield born ... American CIA officer. Pic search.


||1918: Heinz Rutishauser born ... mathematician and a pioneer of modern numerical mathematics and computer science. Pic search: https://www.google.com/search?q=Heinz+Rutishauser
||1918: Heinz Rutishauser born ... mathematician and a pioneer of modern numerical mathematics and computer science. Pic search.


||1925: Douglas Engelbart born ... computer scientist, invented the computer mouse. Pic.
||1925: Douglas Engelbart born ... computer scientist, invented the computer mouse. Pic.


||1928: Johannes Fibiger dies ... physician and academic, Nobel Prize laureate. Pic.
||1928: Johannes Fibiger dies ... physician and academic, Nobel Prize laureate. Pic.
||1945: Meir Dagan born ... Israeli military officer and intelligence official, Director of Mossad (2002–11).
||1948: Mahatma Gandhi is assassinated by Nathuram Godse, a Hindu extremist. Pic.


||1948: Orville Wright dies ... pilot and engineer, co-founded the Wright Company. Pic.
||1948: Orville Wright dies ... pilot and engineer, co-founded the Wright Company. Pic.
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||1953: Andrei Zelevinsky born ... mathematician who made important contributions to algebra, combinatorics, and representation theory. Pic.
||1953: Andrei Zelevinsky born ... mathematician who made important contributions to algebra, combinatorics, and representation theory. Pic.


||1956: African-American civil rights leader Martin Luther King, Jr.'s home is bombed in retaliation for the Montgomery Bus Boycott.
||1956: African-American civil rights leader Martin Luther King, Jr.'s home is bombed in retaliation for the Montgomery Bus Boycott. Pic.


File:Ascleplius Myrmidon Halting Problem.jpg|link=On Halting Problems|[[On Halting Problems|1954: Asclepius Myrmidon discovers unregistered halting problem]], predicts new class of [[crimes against mathematical constants]].
||1956: Charlie Taylor dies ... engineer and mechanic, aircraft engines. Pic.


||1956: Gerrit Mannoury dies ... philosopher and mathematician, professor at the University of Amsterdam and communist, known as the central figure in the signific circle, a Dutch counterpart of the Vienna circle. Pic.
||1956: Gerrit Mannoury dies ... philosopher and mathematician, professor at the University of Amsterdam and communist, known as the central figure in the signific circle, a Dutch counterpart of the Vienna circle. Pic.


||1958: Ernst Heinkel dies ... engineer and businessman; founded the Heinkel Aircraft Company.
||1958: Ernst Heinkel dies ... engineer and businessman; founded the Heinkel Aircraft Company. Pic.
 
||1960: Auguste Herbin dies ... painter of modern art. He is best known for his Cubist and abstract paintings consisting of colorful geometric figures. He co-founded the groups Abstraction-Création and Salon des Réalités Nouvelles which promoted non-figurative abstract art. Pic.


||1968: Vietnam War: Tet Offensive launch by forces of the Viet Cong and North Vietnamese Army against South Vietnam, the United States, and their allies.
||1968: Vietnam War: Tet Offensive launch by forces of the Viet Cong and North Vietnamese Army against South Vietnam, the United States, and their allies.
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File:USS Monitor sinking.jpg|link=Monitor National Marine Sanctuary (nonfiction)|1975: The [[Monitor National Marine Sanctuary (nonfiction)|Monitor National Marine Sanctuary]] is established as the first United States National Marine Sanctuary.
File:USS Monitor sinking.jpg|link=Monitor National Marine Sanctuary (nonfiction)|1975: The [[Monitor National Marine Sanctuary (nonfiction)|Monitor National Marine Sanctuary]] is established as the first United States National Marine Sanctuary.
File:Gil Kane.jpg|link=Gil Kane (nonfiction)|1976: Comic book artist and crime-fighter [[Gil Kane (nonfiction)|Gil Kane]] publishes illustrated history of [[math crimes]] throughout history.


||1982: Victor Mikhailovich Glushkov dies ... mathematician, the founding father of information technology in the Soviet Union, and one of the founders of Cybernetics. Pic.
||1982: Victor Mikhailovich Glushkov dies ... mathematician, the founding father of information technology in the Soviet Union, and one of the founders of Cybernetics. Pic.
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File:Samuel Eilenberg 1970.jpg|link=Samuel Eilenberg (nonfiction)|1998: Mathematician [[Samuel Eilenberg (nonfiction)|Samuel Eilenberg]] dies.  He co-founded category theory with Saunders Mac Lane, and proposed the Eilenberg swindle (a construction applying the telescoping cancellation idea to projective modules).  
File:Samuel Eilenberg 1970.jpg|link=Samuel Eilenberg (nonfiction)|1998: Mathematician [[Samuel Eilenberg (nonfiction)|Samuel Eilenberg]] dies.  He co-founded category theory with Saunders Mac Lane, and proposed the Eilenberg swindle (a construction applying the telescoping cancellation idea to projective modules).  
File:Flow Chart.jpg|link=Flow Chart (nonfiction)|2010: [[Flow Chart (nonfiction)|Flow Chart]] voted Picture of the Day by the citizens of [[New Minneapolis, Canada]].


||2011: Ian Robertson Porteous dies ... mathematician at the University of Liverpool and an educator on Merseyside. He is best known for three books on geometry and modern algebra.  Pic: http://hodge.maths.ed.ac.uk/tiki/Ian+Porteous
||2011: Ian Robertson Porteous dies ... mathematician at the University of Liverpool and an educator on Merseyside. He is best known for three books on geometry and modern algebra.  Pic: http://hodge.maths.ed.ac.uk/tiki/Ian+Porteous


||2013: Naro-1 becomes the first carrier rocket launched by South Korea.
||2013: Naro-1 becomes the first carrier rocket launched by South Korea.
||2015: Mathematician and cryptanalyst Gene Grabeel dies ... founded the Venona project. Pic.


||2015: Carl Djerassi dies ... chemist, author, and playwright. Pic.
||2015: Carl Djerassi dies ... chemist, author, and playwright. Pic.
File:Planet_of_the_COVID.jpg|link=Planet of the COVID|2022: Premiere of '''''[[Planet of the COVID|Rise of the Variants]]''''', the third film in ''Planet of the COVID'' global health catastrophe media franchise about a world in which humans and COVID clash for control.


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Latest revision as of 06:11, 28 January 2022

  • 1619: Mathematician and cardinal Michelangelo Ricci born. Ricci will play a significant part in the theoretical debates and experiments that lead up to Torricelli's discovery of atmospheric pressure and invention of the mercury barometer.

    1619: Mathematician and cardinal Michelangelo Ricci born. Ricci will play a significant part in the theoretical debates and experiments that lead up to Torricelli's discovery of atmospheric pressure and invention of the mercury barometer.

  • 1661: Oliver Cromwell, Lord Protector of the Commonwealth of England, is ritually executed more than two years after his death, on the 12th anniversary of the execution of the monarch he himself deposed.

    1661: Oliver Cromwell, Lord Protector of the Commonwealth of England, is ritually executed more than two years after his death, on the 12th anniversary of the execution of the monarch he himself deposed.

  • 1736: inventor, engineer, and chemist James Watt born. He will make major improvements to the steam engine.

    1736: inventor, engineer, and chemist James Watt born. He will make major improvements to the steam engine.

  • 1830: In a letter to Laplace, Carl Friedrich Gauss writes about a "curious problem" that he had been working on for twelve years. He gives the limiting value of the frequency of distribution of positive integers in the continued fraction of a random number (now called the Gauss-Kuzmin Distribution) as log2(1+x) . Gauss then asks if Laplace can offer help in finding the error term.

    1830: In a letter to Laplace, Carl Friedrich Gauss writes about a "curious problem" that he had been working on for twelve years. He gives the limiting value of the frequency of distribution of positive integers in the continued fraction of a random number (now called the Gauss-Kuzmin Distribution) as log2(1+x) . Gauss then asks if Laplace can offer help in finding the error term.

  • 1975: The Monitor National Marine Sanctuary is established as the first United States National Marine Sanctuary.

    1975: The Monitor National Marine Sanctuary is established as the first United States National Marine Sanctuary.

  • 1998: Mathematician Samuel Eilenberg dies. He co-founded category theory with Saunders Mac Lane, and proposed the Eilenberg swindle (a construction applying the telescoping cancellation idea to projective modules).

    1998: Mathematician Samuel Eilenberg dies. He co-founded category theory with Saunders Mac Lane, and proposed the Eilenberg swindle (a construction applying the telescoping cancellation idea to projective modules).

  • 2022: Premiere of Rise of the Variants, the third film in Planet of the COVID global health catastrophe media franchise about a world in which humans and COVID clash for control.

    2022: Premiere of Rise of the Variants, the third film in Planet of the COVID global health catastrophe media franchise about a world in which humans and COVID clash for control.

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