Template:Selected anniversaries/February 19: Difference between revisions
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||1526: Carolus Clusius born ... botanist and academic. | ||1526: Carolus Clusius born ... botanist and academic. | ||
||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. | ||
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File:Huaynaputina.jpg|link=Huaynaputina (nonfiction)|1600: The [[Huaynaputina (nonfiction)|Peruvian stratovolcano Huaynaputina]] explodes in the most violent eruption in the recorded history of South America. | File:Huaynaputina.jpg|link=Huaynaputina (nonfiction)|1600: The [[Huaynaputina (nonfiction)|Peruvian stratovolcano Huaynaputina]] explodes in the most violent eruption in the recorded history of South America. | ||
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. | ||
Revision as of 16:54, 19 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.
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.
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.
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.
1965: Extract of Radium sponsors re-enactment of the eruption of Peruvian stratovolcano Huaynaputina.
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."
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.