Template:Selected anniversaries/April 7: Difference between revisions

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||2001 – Mars Odyssey is launched.
||2001 – Mars Odyssey is launched.


||2009 – Dave Arneson, American game designer, co-created Dungeons & Dragons (b. 1947)
File:Dave_Arneson.png|link=Dave Arneson (nonfiction)|2009: Game designer [[Dave Arneson (nonfiction)|Dave Arneson]] dies. He co-created the pioneering role-playing game [[Dungeons & Dragons (nonfiction)|Dungeons & Dragons]] with Gary Gygax.


||2014 – James Alexander Green, American-English mathematician and academic (b. 1926)
||2014 – James Alexander Green, American-English mathematician and academic (b. 1926). Minor Bletchley work.  No pic.


File:Creature_4.jpg|link=Creature 4 (nonfiction)|2018: Signed first edition of ''[[Creatures 4]]'' sells for $500,000 USD in charity auction to benefit victims of [[crimes against mathematical constants]].
File:Creature_4.jpg|link=Creature 4 (nonfiction)|2018: Signed first edition of ''[[Creature 4 (nonfiction)|Creature 4]]'' sells for $500,000 USD in charity auction to benefit victims of [[crimes against mathematical constants]].
</gallery>
</gallery>

Revision as of 16:36, 26 April 2018

  • 1761: Mathematician, philosopher, and minister Thomas Bayes dies. He is remembered for having formulated a specific case of the theorem that bears his name: Bayes' theorem.

    1761: Mathematician, philosopher, and minister Thomas Bayes dies. He is remembered for having formulated a specific case of the theorem that bears his name: Bayes' theorem.

  • 1789: Mathematician and physicist Joseph Fourier uses early version of Fourier series analysis to detect and prevent crimes against mathematical constants.

    1789: Mathematician and physicist Joseph Fourier uses early version of Fourier series analysis to detect and prevent crimes against mathematical constants.

  • 1811: Astronomer, mathematician, and philosopher Hasan Tahsini born. He will become one of the most prominent scholars of the Ottoman Empire of the 19th century.

    1811: Astronomer, mathematician, and philosopher Hasan Tahsini born. He will become one of the most prominent scholars of the Ottoman Empire of the 19th century.

  • 1860: Physicist and crime-fighter Ernst Ruhmer invents a camera which uses the light-sensitivity properties of selenium to record images from past and future events. This type of camera is popular with math photographers, notably Cantor Parabola.

    1860: Physicist and crime-fighter Ernst Ruhmer invents a camera which uses the light-sensitivity properties of selenium to record images from past and future events. This type of camera is popular with math photographers, notably Cantor Parabola.

  • 1866: Mathematician Erik Ivar Fredholm born. He will introduce and analyze a class of integral equations now called Fredholm equations. Fredholm's work on integral equations and operator theory will anticipate the theory of Hilbert spaces.

    1866: Mathematician Erik Ivar Fredholm born. He will introduce and analyze a class of integral equations now called Fredholm equations. Fredholm's work on integral equations and operator theory will anticipate the theory of Hilbert spaces.

  • 1867: Gem detective Niles Cartouchian works with Hasan Tahsini to recover stolen shipment of time crystals (nonfiction).

    1867: Gem detective Niles Cartouchian works with Hasan Tahsini to recover stolen shipment of time crystals (nonfiction).

  • 1889: Mathematician Paul David Gustav du Bois-Reymond dies. He worked on the theory of functions and in mathematical physics.

    1889: Mathematician Paul David Gustav du Bois-Reymond dies. He worked on the theory of functions and in mathematical physics.

  • 1899: Physicist and academic Petrus Leonardus Rijke dies. He explored the physics of electricity, and is known for the Rijke tube (which turns heat into sound, by creating a self-amplifying standing wave).

    1899: Physicist and academic Petrus Leonardus Rijke dies. He explored the physics of electricity, and is known for the Rijke tube (which turns heat into sound, by creating a self-amplifying standing wave).

  • 1995: Mathematician and crime-fighter Donald Erik Sarason combines Hardy space theory with Vanishing mean oscillation (VMO); in the process, he will discover radical new techniques for detecting and preventing crimes against mathematical constants.

    1995: Mathematician and crime-fighter Donald Erik Sarason combines Hardy space theory with Vanishing mean oscillation (VMO); in the process, he will discover radical new techniques for detecting and preventing crimes against mathematical constants.

  • 1995: Math photographer Cantor Parabola takes a series of photographs which capture temporal superimpositions from physicist and academic Petrus Leonardus Rijke in the form of a self-amplifying standing wave.

    1995: Math photographer Cantor Parabola takes a series of photographs which capture temporal superimpositions from physicist and academic Petrus Leonardus Rijke in the form of a self-amplifying standing wave.

  • 2009: Game designer Dave Arneson dies. He co-created the pioneering role-playing game Dungeons & Dragons with Gary Gygax.

    2009: Game designer Dave Arneson dies. He co-created the pioneering role-playing game Dungeons & Dragons with Gary Gygax.

  • 2018: Signed first edition of Creature 4 sells for $500,000 USD in charity auction to benefit victims of crimes against mathematical constants.

    2018: Signed first edition of Creature 4 sells for $500,000 USD in charity auction to benefit victims of crimes against mathematical constants.

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