Template:Selected anniversaries/February 12: Difference between revisions

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||1950: Dirk Coster dies ... physicist. He is known as the co-discoverer of Hafnium (Hf) (element 72) in 1923, along with George de Hevesy, by means of X-ray spectroscopic analysis of zirconium ore. Pic.
||1950: Dirk Coster dies ... physicist. He is known as the co-discoverer of Hafnium (Hf) (element 72) in 1923, along with George de Hevesy, by means of X-ray spectroscopic analysis of zirconium ore. Pic.
||1955: Baikonur Cosmodrome authorized. Pic.


||1958: Douglas Hartree dies ... mathematician and physicist ... development of numerical analysis and its application to the Hartree-Fock equations of atomic physics and the construction of the meccano differential analyzer. Pic.
||1958: Douglas Hartree dies ... mathematician and physicist ... development of numerical analysis and its application to the Hartree-Fock equations of atomic physics and the construction of the meccano differential analyzer. Pic.

Revision as of 14:16, 25 March 2019

  • 1767: Polymath Roger Joseph Boscovich publishes new class of Gnomon algorithm functions which detect and prevent a cross-linked set of crimes against physics, astronomy, and mathematics.

    1767: Polymath Roger Joseph Boscovich publishes new class of Gnomon algorithm functions which detect and prevent a cross-linked set of crimes against physics, astronomy, and mathematics.

  • 1914: Mathematician and academic Hanna Neumann born. She will contribute to group theory, co-authoring the important paper Wreath products and varieties of groups (with her husband Bernhard and eldest son Peter), and authoring the influential book Varieties of Groups (1967).

    1914: Mathematician and academic Hanna Neumann born. She will contribute to group theory, co-authoring the important paper Wreath products and varieties of groups (with her husband Bernhard and eldest son Peter), and authoring the influential book Varieties of Groups (1967).

  • 1916: Mathematician, philosopher, and academic Richard Dedekind dies. He made important contributions to abstract algebra (particularly ring theory), algebraic number theory and the definition of the real numbers.

    1916: Mathematician, philosopher, and academic Richard Dedekind dies. He made important contributions to abstract algebra (particularly ring theory), algebraic number theory and the definition of the real numbers.

  • 1935: Physicist and engineer Robert Jemison Van de Graaff receives a patent for his Electrostatic Generator design (U.S. No. 1,991,236), able to generate direct-current voltages much higher than the 700,000-V which was the state of the art at the time using other methods.

    1935: Physicist and engineer Robert Jemison Van de Graaff receives a patent for his Electrostatic Generator design (U.S. No. 1,991,236), able to generate direct-current voltages much higher than the 700,000-V which was the state of the art at the time using other methods.

  • 1946: Tunguska Event Preservation Society pledge drive meet goal, raises enough computational power to re-create the original event.

    1946: Tunguska Event Preservation Society pledge drive meet goal, raises enough computational power to re-create the original event.

  • 1947: Chemist Moses Gomberg dies. He identified the triphenylmethyl radical, the first persistent radical to be discovered, and is thus known as the founder of radical chemistry.

    1947: Chemist Moses Gomberg dies. He identified the triphenylmethyl radical, the first persistent radical to be discovered, and is thus known as the founder of radical chemistry.

  • 1959: Singer, songwriter, multi-instrumentalist, and alleged criminal mastermind Skip Digits uses high-energy literature techniques to record his hit song "Clepsydra".

    1959: Singer, songwriter, multi-instrumentalist, and alleged criminal mastermind Skip Digits uses high-energy literature techniques to record his hit song "Clepsydra".

  • 1960: Mathematician and statistician Oskar Anderson dies. He made important contributions to mathematical statistics and econometrics.

    1960: Mathematician and statistician Oskar Anderson dies. He made important contributions to mathematical statistics and econometrics.

  • 1961: Spacecraft Venera 1 launched. It will become the first man-made object to fly-by another planet by passing Venus (although it will lose contact with Earth and not send back any data).

    1961: Spacecraft Venera 1 launched. It will become the first man-made object to fly-by another planet by passing Venus (although it will lose contact with Earth and not send back any data).

  • 1983: High-energy literature research project accidentally releases new class of crimes against mathematical constants.

    1983: High-energy literature research project accidentally releases new class of crimes against mathematical constants.

  • Charles Critchfield ID badge.gif

    1994: Mathematical physicist Charles Critchfield dies. He worked on the Manhattan Project, designing and testing the "Urchin" neutron initiator which provided the burst of neutrons that kick-started the nuclear detonation of the Fat Man weapon.

  • 2016: Steganographic analysis of Green Tangle reveals "at least a megabyte" of previously unknown Gnomon algorithm functions.

    2016: Steganographic analysis of Green Tangle reveals "at least a megabyte" of previously unknown Gnomon algorithm functions.

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