Template:Selected anniversaries/March 9: Difference between revisions

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||1765 – After a campaign by the writer Voltaire, judges in Paris posthumously exonerate Jean Calas of murdering his son. Calas had been tortured and executed in 1762 on the charge, though his son may have actually committed suicide.


|File:Giuseppe Piazzi.jpg|link=Giuseppe Piazzi (nonfiction)|1766: Priest, mathematician, and astronomer [[Giuseppe Piazzi (nonfiction)|Giuseppe Piazzi]] uses [[Gnomon algorithm]] techniques to detect and counteract [[crimes against mathematical constants]].
File:Sir Francis Ronalds.jpg|link=Francis Ronalds (nonfiction)|1815: Electrical engineer and inventor [[Francis Ronalds (nonfiction)|Francis Ronalds]] describes the first battery-operated clock in the ''Philosophical Magazine''.


File:Sir Francis Ronalds.jpg|link=Francis Ronalds (nonfiction)|1815: [[Francis Ronalds (nonfiction)|Francis Ronalds]] describes the first battery-operated clock in the Philosophical Magazine.
File:Hans Christian Ørsted.jpg|link=Hans Christian Ørsted (nonfiction)|1851: Physicist and chemist [[Hans Christian Ørsted (nonfiction)|Hans Christian Ørsted]] dies. Ørsted discovered that electric currents create magnetic fields, which was the first connection found between electricity and magnetism.


File:Hans Christian Ørsted.jpg|link=Hans Christian Ørsted (nonfiction)|1851: Physicist and chemist [[Hans Christian Ørsted (nonfiction)|Hans Christian Ørsted]] dies. He discovered that electric currents create magnetic fields, which was the first connection found between electricity and magnetism.
File:Walter Kohn.jpg|link=Walter Kohn (nonfiction)|1923: Theoretical physicist, theoretical chemist, and Nobel laureate [[Walter Kohn (nonfiction)|Walter Kohn]] born. Kohn will develop density functional theory, which will make it possible to calculate quantum mechanical electronic structure by equations involving the electronic density.


||Constantin Marie Le Paige (9 March 1852 – 26 January 1929) was a Belgian mathematician. He worked on the theory of algebraic form, especially algebraic curves and surface and more particularly for his work on the construction of cubic surfaces.  
File:Gerald Bull 1964.jpg|link=Gerald  Bull (nonfiction)|1928:  Engineer [[Gerald  Bull (nonfiction)|Gerald  Bull]] born. Bull will attempt to build artillery guns capable of launching satellites into orbit.


File:Georg Cantor 1894.png|link=Georg Cantor (nonfiction)|1917: Mathematician and philosopher [[Georg Cantor (nonfiction)|Georg Cantor]] publishes new [[Set theory (nonfiction)|theory of sets]] derived from [[Gnomon algorithm functions]]. Colleagues hail it as "a magisterial contribution to science and art of detecting and preventing [[crimes against mathematical constants]]."
File:Jef Raskin holding Canon Cat model.png|link=Jef Raskin (nonfiction)|1943: Computer scientist [[Jef Raskin (nonfiction)|Jef Raskin]] born. Raskin will conceive and start the Macintosh project for Apple in the late 1970s.


||Walter Kohn (b. March 9, 1923) was an Austrian-born American theoretical physicist and theoretical chemist. He was awarded, with John Pople, the Nobel Prize in chemistry in 1998. The award recognized their contributions to the understandings of the electronic properties of materials.
File:Gerald Bull 1964.jpg|link=Gerald  Bull (nonfiction)|1928:  Engineer [[Gerald  Bull (nonfiction)|Gerald  Bull]] born. He will attempt to build artillery guns capable of launching satellites into orbit.
||John Alan Robinson (b. 9 March 1930) was a philosopher, mathematician, and computer scientist.
||Robert William Theodore Gunther (d. 9 March 1940) was a historian of science, zoologist, and founder of the Museum of the History of Science, Oxford.
File:The Eel Escapes Hydrolab.jpg|link=The Eel Escapes Hydrolab|1941: ''[[The Eel Escapes Hydrolab]]'' is "proof that [[The Eel]] is a criminal," according to [[Baron Zersetzung]].
File:Jef Raskin holding Canon Cat model.png|link=Jef Raskin (nonfiction)|1943: Computer scientist [[Jef Raskin (nonfiction)|Jef Raskin]] born.  He will conceive and start the Macintosh project for Apple in the late 1970s.
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Latest revision as of 05:54, 9 March 2022

  • 1815: Electrical engineer and inventor Francis Ronalds describes the first battery-operated clock in the Philosophical Magazine.

    1815: Electrical engineer and inventor Francis Ronalds describes the first battery-operated clock in the Philosophical Magazine.

  • 1851: Physicist and chemist Hans Christian Ørsted dies. Ørsted discovered that electric currents create magnetic fields, which was the first connection found between electricity and magnetism.

    1851: Physicist and chemist Hans Christian Ørsted dies. Ørsted discovered that electric currents create magnetic fields, which was the first connection found between electricity and magnetism.

  • 1923: Theoretical physicist, theoretical chemist, and Nobel laureate Walter Kohn born. Kohn will develop density functional theory, which will make it possible to calculate quantum mechanical electronic structure by equations involving the electronic density.

    1923: Theoretical physicist, theoretical chemist, and Nobel laureate Walter Kohn born. Kohn will develop density functional theory, which will make it possible to calculate quantum mechanical electronic structure by equations involving the electronic density.

  • 1928: Engineer Gerald Bull born. Bull will attempt to build artillery guns capable of launching satellites into orbit.

    1928: Engineer Gerald Bull born. Bull will attempt to build artillery guns capable of launching satellites into orbit.

  • 1943: Computer scientist Jef Raskin born. Raskin will conceive and start the Macintosh project for Apple in the late 1970s.

    1943: Computer scientist Jef Raskin born. Raskin will conceive and start the Macintosh project for Apple in the late 1970s.

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