Template:Selected anniversaries/February 19: Difference between revisions

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


||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.
||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.
 
||1866: Thomas Jefferson Jackson (T. J. J.) born ... astronomer whose promulgated theories in astronomy and physics were eventually disproven. His educational and professional career were dogged by conflict, including his attacks on relativity. He was fired from his position at two observatories, eventually serving out his professional years in an island outpost in California. Pic.


||1878: Thomas Edison patents the phonograph.
||1878: Thomas Edison patents the phonograph.
||1889: Ernest Marsden born ... physicist. He is recognised internationally for his contributions to science while working under Ernest Rutherford, which led to the discovery of new theories on the structure of the atom.  Pic.


File:Karl Weierstrass.jpg|link=Karl Weierstrass (nonfiction)|1897: Mathematician and academic [[Karl Weierstrass (nonfiction)|Karl Weierstrass]] dies. He will be cited as the "father of modern analysis".  
File:Karl Weierstrass.jpg|link=Karl Weierstrass (nonfiction)|1897: Mathematician and academic [[Karl Weierstrass (nonfiction)|Karl Weierstrass]] dies. He will be cited as the "father of modern analysis".  

Revision as of 06:31, 20 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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