Template:Selected anniversaries/February 19: Difference between revisions

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|| *** DONE: Pat's Blog ***
|| *** DONE: Pat's Blog ***
|| *** DONE: Pics ***


File:Nikolaus Kopernikus.jpg|link=Nicolaus Copernicus (nonfiction)|1473: Mathematician and astronomer [[Nicolaus Copernicus (nonfiction)|Nicolaus Copernicus]] born. He will formulate a model of the universe that places the Sun rather than the Earth at the center of the universe.
File:Nikolaus Kopernikus.jpg|link=Nicolaus Copernicus (nonfiction)|1473: Mathematician and astronomer [[Nicolaus Copernicus (nonfiction)|Nicolaus Copernicus]] born. He will formulate a model of the universe that places the Sun rather than the Earth at the center of the universe.
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||1519: Froben Christoph of Zimmern born ... author of the Zimmern Chronicle. Pic.
||1519: Froben Christoph of Zimmern born ... author of the Zimmern Chronicle. Pic.


||1526: Carolus Clusius born ... botanist and academic.
||1526: Carolus Clusius born ... botanist and academic. Pic.


||1549: 1549 Osiander wrote of Michael Stifel: “He has devised new numbers for the alphabet, namely the triangular numbers, and his fantasies are more absurd than before.” *VFR https://pballew.blogspot.com/2019/02/on-this-day-in-math-february-19.html Pic.
||1549: 1549 Osiander wrote of Michael Stifel: “He has devised new numbers for the alphabet, namely the triangular numbers, and his fantasies are more absurd than before.” *VFR https://pballew.blogspot.com/2019/02/on-this-day-in-math-february-19.html Pic.


||1553: Erasmus Reinhold dies ... astronomer and mathematician.
||1553: Erasmus Reinhold dies ... astronomer and mathematician. Pic: https://vi.wikipedia.org/wiki/Erasmus_Reinhold


File:Blaise_de_Vigenère.png|link=Blaise de Vigenère (nonfiction)|1596: Cryptographer and diplomat [[Blaise de Vigenère (nonfiction)]] dies. The Vigenère cipher was misattributed to him;  Vigenère himself devised a different, stronger cipher.  
File:Blaise_de_Vigenère.png|link=Blaise de Vigenère (nonfiction)|1596: Cryptographer and diplomat [[Blaise de Vigenère (nonfiction)]] dies. The Vigenère cipher was misattributed to him;  Vigenère himself devised a different, stronger cipher.  
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File:Galileo E pur si muove.jpg|link=Galileo Galilei (nonfiction)|1616: The Inquisition asked a commission of theologians, known as qualifiers, about the propositions of the heliocentric view of the universe after Nicollo Lorin had accused [[Galileo Galilei (nonfiction)|Galileo Galilei]] of heretical remarks in a letter to his former student, Benedetto Castelli.  
File:Galileo E pur si muove.jpg|link=Galileo Galilei (nonfiction)|1616: The Inquisition asked a commission of theologians, known as qualifiers, about the propositions of the heliocentric view of the universe after Nicollo Lorin had accused [[Galileo Galilei (nonfiction)|Galileo Galilei]] of heretical remarks in a letter to his former student, Benedetto Castelli.  


||1660: Friedrich Hoffmann dies ... physician and chemist.
||1660: Friedrich Hoffmann dies ... physician and chemist. Pic.


||1671/72: 1671/72 Newton’s first publication appears as a letter in the Philosophical Transactions. It deals with his new theory of light, showing that a prism separates white light into its component colors. Huygens, Hooke and others objected so strongly that he vowed not to publish again. Fortunately that vow was not kept. *VFR The full text of that publication is here.  https://pballew.blogspot.com/2019/02/on-this-day-in-math-february-19.html
||1671/72: 1671/72 Newton’s first publication appears as a letter in the Philosophical Transactions. It deals with his new theory of light, showing that a prism separates white light into its component colors. Huygens, Hooke and others objected so strongly that he vowed not to publish again. Fortunately that vow was not kept. *VFR The full text of that publication is here.  https://pballew.blogspot.com/2019/02/on-this-day-in-math-february-19.html


||1789: William Fairbairn born ... civil engineer, structural engineer and shipbuilder.
||1789: William Fairbairn born ... civil engineer, structural engineer and shipbuilder. Pic.


File:Jean Charles Borda.jpg|link=Jean-Charles de Borda (nonfiction)|1799: Mathematician, physicist, and sailor [[Jean-Charles de Borda (nonfiction)|Jean-Charles de Borda]] dies. He contributed to the development of the metric system, constructing a platinum standard meter, the basis of metric distance measurement.
File:Jean Charles Borda.jpg|link=Jean-Charles de Borda (nonfiction)|1799: Mathematician, physicist, and sailor [[Jean-Charles de Borda (nonfiction)|Jean-Charles de Borda]] dies. He contributed to the development of the metric system, constructing a platinum standard meter, the basis of metric distance measurement.


||1804: Carl von Rokitansky born ... physician, pathologist, and philosopher.
||1804: Carl von Rokitansky born ... physician, pathologist, and philosopher. Pic.


||1807: Former Vice President of the United States Aaron Burr is arrested for treason in Wakefield, Alabama and confined to Fort Stoddert.
||1807: Former Vice President of the United States Aaron Burr is arrested for treason in Wakefield, Alabama and confined to Fort Stoddert. Pic.


||1859: Svante Arrhenius born ... physicist and chemist, Nobel Prize laureate.
||1859: Svante Arrhenius born ... physicist and chemist, Nobel Prize laureate. Pic.


||1863: Axel Thue born ... mathematician, known for highly original work in diophantine approximation, and combinatorics. He stated in 1914 the so-called word problem for semigroups or Thue problem, closely related to the halting problem. Pic.
||1863: Axel Thue born ... mathematician, known for highly original work in diophantine approximation, and combinatorics. He stated in 1914 the so-called word problem for semigroups or Thue problem, closely related to the halting problem. Pic.

Revision as of 05:46, 21 February 2019

  • 1473: Mathematician and astronomer Nicolaus Copernicus born. He will formulate a model of the universe that places the Sun rather than the Earth at the center of the universe.

    1473: Mathematician and astronomer Nicolaus Copernicus born. He will formulate a model of the universe that places the Sun rather than the Earth at the center of the universe.

  • 1596: Cryptographer and diplomat Blaise de Vigenère (nonfiction) dies. The Vigenère cipher was misattributed to him; Vigenère himself devised a different, stronger cipher.

    1596: Cryptographer and diplomat Blaise de Vigenère (nonfiction) dies. The Vigenère cipher was misattributed to him; Vigenère himself devised a different, stronger cipher.

  • 1600: The Peruvian stratovolcano Huaynaputina explodes in the most violent eruption in the recorded history of South America.

    1600: The Peruvian stratovolcano Huaynaputina explodes in the most violent eruption in the recorded history of South America.

  • 1616: The Inquisition asked a commission of theologians, known as qualifiers, about the propositions of the heliocentric view of the universe after Nicollo Lorin had accused Galileo Galilei of heretical remarks in a letter to his former student, Benedetto Castelli.

    1616: The Inquisition asked a commission of theologians, known as qualifiers, about the propositions of the heliocentric view of the universe after Nicollo Lorin had accused Galileo Galilei of heretical remarks in a letter to his former student, Benedetto Castelli.

  • 1799: Mathematician, physicist, and sailor Jean-Charles de Borda dies. He contributed to the development of the metric system, constructing a platinum standard meter, the basis of metric distance measurement.

    1799: Mathematician, physicist, and sailor Jean-Charles de Borda dies. He contributed to the development of the metric system, constructing a platinum standard meter, the basis of metric distance measurement.

  • 1897: Mathematician and academic Karl Weierstrass dies. He will be cited as the "father of modern analysis".

    1897: Mathematician and academic Karl Weierstrass dies. He will be cited as the "father of modern analysis".

  • 1937: Physicist and crime-fighter Maria Goeppert-Mayer publishes mathematical model for the structure of nuclear shells which detects and prevents crimes against physical constants.

    1937: Physicist and crime-fighter Maria Goeppert-Mayer publishes mathematical model for the structure of nuclear shells which detects and prevents crimes against physical constants.

  • 1946: Mathematician and academic Alan Turing presents the "Proposal for the Development in the Mathematics Division of an Automatic Computing Engine (ACE) to a meeting of the Executive Committee of the National Physical Laboratory (NPL); the proposal will be approved at a second meeting held a month later.

    1946: Mathematician and academic Alan Turing presents the "Proposal for the Development in the Mathematics Division of an Automatic Computing Engine (ACE) to a meeting of the Executive Committee of the National Physical Laboratory (NPL); the proposal will be approved at a second meeting held a month later.

  • 2016: Novelist, literary critic, and philosopher Umberto Eco dies. He cited James Joyce and Jorge Luis Borges as the two modern authors who have influenced his work the most.

    2016: Novelist, literary critic, and philosopher Umberto Eco dies. He cited James Joyce and Jorge Luis Borges as the two modern authors who have influenced his work the most.

  • 2017: Steganographic analysis of Alice Beta Paragliding reveals encrypted data "almost certainly related to secret programs within the ENIAC program."

    2017: Steganographic analysis of Alice Beta Paragliding reveals encrypted data "almost certainly related to secret programs within the ENIAC program."

  • 2016: Steganographic analysis of Three Kings 2 reveals "five hundred and twelve kilobytes" of previously unknown Gnomon algorithm functions.

    2016: Steganographic analysis of Three Kings 2 reveals "five hundred and twelve kilobytes" of previously unknown Gnomon algorithm functions.

  • 2017: Mathematician and dissident Igor Shafarevich dies. He made fundamental contributions to algebraic number theory, algebraic geometry, and arithmetic algebraic geometry.

    2017: Mathematician and dissident Igor Shafarevich dies. He made fundamental contributions to algebraic number theory, algebraic geometry, and arithmetic algebraic geometry.

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