Template:Selected anniversaries/December 9: Difference between revisions

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||1898 – Emmett Kelly, American clown and actor (d. 1979)
||1898 – Emmett Kelly, American clown and actor (d. 1979)
||Hans Wilhelm Eduard Schwerdtfeger (b. 9 December 1902) was a German-Canadian-Australian mathematician who worked in Galois theory, matrix theory, theory of groups and their geometries, and complex analysis. Pic.


File:Dalton Trumbo prison 1950.jpg|link=Dalton Trumbo (nonfiction)|1905: Screenwriter and novelist [[Dalton Trumbo (nonfiction)|Dalton Trumbo]] born.
File:Dalton Trumbo prison 1950.jpg|link=Dalton Trumbo (nonfiction)|1905: Screenwriter and novelist [[Dalton Trumbo (nonfiction)|Dalton Trumbo]] born.

Revision as of 19:37, 31 January 2018

  • 1571: Mathematician and astronomer Adriaan Metius born. He will manufacture precision astronomical instruments, and published treatises on the astrolabe and on surveying.

    1571: Mathematician and astronomer Adriaan Metius born. He will manufacture precision astronomical instruments, and published treatises on the astrolabe and on surveying.

  • 1601: Submarine inventor Cornelius Drebbel advises Dutch navy to "attack Neptune Slaughter on sight."

    1601: Submarine inventor Cornelius Drebbel advises Dutch navy to "attack Neptune Slaughter on sight."

  • 1718: Monk, cosmographer, and cartographer Vincenzo Coronelli dies. He gained fame for his atlases and globes; some of the globes are very large and highly detailed.

    1718: Monk, cosmographer, and cartographer Vincenzo Coronelli dies. He gained fame for his atlases and globes; some of the globes are very large and highly detailed.

  • 1814: Physician Golding Bird born. He will pioneer the medical use of electricity.

    1814: Physician Golding Bird born. He will pioneer the medical use of electricity.

  • 1868: The first traffic lights are installed, outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps.

    1868: The first traffic lights are installed, outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps.

  • 1868: Chemist Fritz Haber born. He will receive the Nobel Prize in Chemistry in 1918 for his invention of the Haber–Bosch process, a method used in industry to synthesize ammonia from nitrogen gas and hydrogen gas.

    1868: Chemist Fritz Haber born. He will receive the Nobel Prize in Chemistry in 1918 for his invention of the Haber–Bosch process, a method used in industry to synthesize ammonia from nitrogen gas and hydrogen gas.

  • 1883: Mathematician, theorist, and academic Nikolai Luzin born. He will contribute to descriptive set theory and aspects of mathematical analysis with strong connections to point-set topology.

    1883: Mathematician, theorist, and academic Nikolai Luzin born. He will contribute to descriptive set theory and aspects of mathematical analysis with strong connections to point-set topology.

  • 1905: Screenwriter and novelist Dalton Trumbo born.

    1905: Screenwriter and novelist Dalton Trumbo born.

  • 1917: Mathematician and philosopher Georg Cantor publishes new 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."

    1917: Mathematician and philosopher Georg Cantor publishes new 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."

  • 2014: Cryptographic numen modeled in nanowire, functions as cluster of tiny scrying engines.

    2014: Cryptographic numen modeled in nanowire, functions as cluster of tiny scrying engines.

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