Template:Selected anniversaries/April 15: Difference between revisions

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||1854: Arthur Aikin dies ... chemist and mineralogist. Pic.
||1854: Arthur Aikin dies ... chemist and mineralogist. Pic.


||1874: Johannes Stark born ... physicist and academic, Nobel Prize laureate.
||1874: Johannes Stark born ... physicist and academic, Nobel Prize laureate. Pic.


File:Ernst_Ruhmer,_Technical_World_cover_(1905).jpg|link=Ernst Ruhmer (nonfiction)|1878: Physicist [[Ernst Ruhmer (nonfiction)|Ernst Ruhmer]] born. He will invent applications for the light-sensitivity properties of selenium, including wireless telephony using line-of-sight optical transmissions, sound-on-film audio recording, and television transmissions over wires.
File:Ernst_Ruhmer,_Technical_World_cover_(1905).jpg|link=Ernst Ruhmer (nonfiction)|1878: Physicist [[Ernst Ruhmer (nonfiction)|Ernst Ruhmer]] born. He will invent applications for the light-sensitivity properties of selenium, including wireless telephony using line-of-sight optical transmissions, sound-on-film audio recording, and television transmissions over wires.
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||1890: Eugène-Melchior Péligot dies ... chemist who isolated the first sample of uranium metal in 1841. Pic.
||1890: Eugène-Melchior Péligot dies ... chemist who isolated the first sample of uranium metal in 1841. Pic.


||1892: Corrie ten Boom born ... clocksmith Nazi resister, and author.
||1892: Corrie ten Boom born ... clocksmith Nazi resister, and author. Same DOB/DOD. Pic.


||1896: Nikolay Semyonov born ... physicist and chemist, Nobel Prize laureate.
||1896: Nikolay Semyonov born ... physicist and chemist, Nobel Prize laureate.
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||1983: Vera Faddeeva dies ... mathematician. Faddeeva published some of the first work in the field of linear algebra. Her 1950 work, ''Computational methods of linear algebra'', was widely acclaimed; she won a USSR State Prize for it.
||1983: Vera Faddeeva dies ... mathematician. Faddeeva published some of the first work in the field of linear algebra. Her 1950 work, ''Computational methods of linear algebra'', was widely acclaimed; she won a USSR State Prize for it.
||1983: Corrie ten Boom dies ... clocksmith Nazi resister, and author. Same DOB/DOD. Pic.


File:Edward Lorenz.jpg|link=Edward Lorenz (nonfiction)|1983: Mathematician and alleged time-traveller [[Edward Lorenz (nonfiction)|Edward Lorenz]] publishes new class of [[Gnomon algorithm]] functions which use the butterfly effect to detect and prevent [[crimes against mathematical constants]].
File:Edward Lorenz.jpg|link=Edward Lorenz (nonfiction)|1983: Mathematician and alleged time-traveller [[Edward Lorenz (nonfiction)|Edward Lorenz]] publishes new class of [[Gnomon algorithm]] functions which use the butterfly effect to detect and prevent [[crimes against mathematical constants]].
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||1992: Otis Barton dies ... diver, engineer, and actor, designed the bathysphere. Pic (cool).
||1992: Otis Barton dies ... diver, engineer, and actor, designed the bathysphere. Pic (cool).


||1993: John Tuzo Wilson dies ... geophysicist and geologist.
||1993: John Tuzo Wilson dies ... geophysicist and geologist. Pic.


||2009: László Tisza dies ... physicist and academic (b. 1907)
||2009: László Tisza dies ... physicist and academic ... initiated the two-fluid theory of liquid helium. Pic.


||2013: Benjamin Fain dies ... physicist and academic (b. 1930)
||2013: Benjamin Fain dies ... physicist and academic.


||2014: John Houbolt dies ... engineer and academic (b. 1919) lunar
||2014: John Houbolt dies ... engineer and academic ... lunar.


File:Cantor Parabola.jpg|link=Cantor Parabola|2017: Math photographer [[Cantor Parabola]] attends Minicon 52, taking a series of photographs with temporal superimpositions from Minicons 51 and 53.
File:Cantor Parabola.jpg|link=Cantor Parabola|2017: Math photographer [[Cantor Parabola]] attends Minicon 52, taking a series of photographs with temporal superimpositions from Minicons 51 and 53.

Revision as of 06:18, 15 April 2019

  • 1452: Polymath Leonardo da Vinci born. His areas of interest will include painting, sculpting, architecture, invention, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography.

    1452: Polymath Leonardo da Vinci born. His areas of interest will include painting, sculpting, architecture, invention, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography.

  • 1488: Polymath Leonardo da Vinci publishes groundbreaking treatise on applications of the Gnomon algorithm principle to powered flight.

    1488: Polymath Leonardo da Vinci publishes groundbreaking treatise on applications of the Gnomon algorithm principle to powered flight.

  • 1707: Mathematician and physicist Leonhard Euler born. He will make important and influential discoveries in many branches of mathematics, and will introduce much of the modern mathematical terminology and notation, such as the notion of a mathematical function.

    1707: Mathematician and physicist Leonhard Euler born. He will make important and influential discoveries in many branches of mathematics, and will introduce much of the modern mathematical terminology and notation, such as the notion of a mathematical function.

  • 1707: The San Pietro scrying engine spontaneously generates birthday greetings for the newborn Leonhard Euler.

    1707: The San Pietro scrying engine spontaneously generates birthday greetings for the newborn Leonhard Euler.

  • 1764: Astronomer and mathematician Peder Horrebow dies. he invent a way to determine a place's latitude from the stars.

    1764: Astronomer and mathematician Peder Horrebow dies. he invent a way to determine a place's latitude from the stars.

  • 1805: Emperor grants the patent for Jacquard’s loom to the city of Lyon. In return, Jacquard received a lifelong pension of 3,000 francs.

    1805: Emperor grants the patent for Jacquard’s loom to the city of Lyon. In return, Jacquard received a lifelong pension of 3,000 francs.

  • 1854: Scientist and inventor Johann Philipp Reis uses scrying engine technology to fight crimes against mathematical constants.

    1854: Scientist and inventor Johann Philipp Reis uses scrying engine technology to fight crimes against mathematical constants.

  • 1878: Physicist Ernst Ruhmer born. He will invent applications for the light-sensitivity properties of selenium, including wireless telephony using line-of-sight optical transmissions, sound-on-film audio recording, and television transmissions over wires.

    1878: Physicist Ernst Ruhmer born. He will invent applications for the light-sensitivity properties of selenium, including wireless telephony using line-of-sight optical transmissions, sound-on-film audio recording, and television transmissions over wires.

  • 1911: Physicist Johannes Bosscha Jr. dies. He made important investigations on galvanic polarization and the rapidity of sound waves; he was one of the first (1855) to suggest the possibility of sending two messages simultaneously over the same wire.

    1911: Physicist Johannes Bosscha Jr. dies. He made important investigations on galvanic polarization and the rapidity of sound waves; he was one of the first (1855) to suggest the possibility of sending two messages simultaneously over the same wire.

  • 1925: Chemist, X-ray crystallographer, and crime-fighter Rosalind Franklin publishes Gnomon algorithm model which anticipates the use of DNA (deoxyribonucleic acid) to detect and prevent crimes against chemistry.

    1925: Chemist, X-ray crystallographer, and crime-fighter Rosalind Franklin publishes Gnomon algorithm model which anticipates the use of DNA (deoxyribonucleic acid) to detect and prevent crimes against chemistry.

  • 1926: Aviator Charles Lindbergh opens service on the newly designated 278-mile (447 km) Contract Air Mail Route #2 (CAM-2) to provide service between St. Louis and Chicago (Maywood Field) with two intermediate stops in Springfield and Peoria, Illinois.

    1926: Aviator Charles Lindbergh opens service on the newly designated 278-mile (447 km) Contract Air Mail Route #2 (CAM-2) to provide service between St. Louis and Chicago (Maywood Field) with two intermediate stops in Springfield and Peoria, Illinois.

  • 1983: Mathematician and alleged time-traveller Edward Lorenz publishes new class of Gnomon algorithm functions which use the butterfly effect to detect and prevent crimes against mathematical constants.

    1983: Mathematician and alleged time-traveller Edward Lorenz publishes new class of Gnomon algorithm functions which use the butterfly effect to detect and prevent crimes against mathematical constants.

  • 2017: Math photographer Cantor Parabola attends Minicon 52, taking a series of photographs with temporal superimpositions from Minicons 51 and 53.

    2017: Math photographer Cantor Parabola attends Minicon 52, taking a series of photographs with temporal superimpositions from Minicons 51 and 53.

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