Template:Selected anniversaries/February 20: Difference between revisions

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File:Gérard Desargues.jpg|link=Girard Desargues (nonfiction)|1655: Mathematician, engineer, and [[APTO]] field agent [[Girard Desargues (nonfiction)|Girard Desargues]] uses [[Projective geometry (nonfiction)|projective geometry]] to defeat rogue mathematician [[Anarchimedes]] in single combat.


||1759: Johann Christian Reil born ... physician, physiologist, and anatomist. Pic.
||1759: Johann Christian Reil born ... physician, physiologist, and anatomist. Pic.
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||1944: George B. Purdy born ... mathematician and computer scientist who specialized in cryptography, combinatorial geometry and number theory.  Pic: https://www.legacy.com/obituaries/cincinnati/obituary.aspx?n=george-b-purdy&pid=187736433&fhid=27748
||1944: George B. Purdy born ... mathematician and computer scientist who specialized in cryptography, combinatorial geometry and number theory.  Pic: https://www.legacy.com/obituaries/cincinnati/obituary.aspx?n=george-b-purdy&pid=187736433&fhid=27748
File:Janet Beta Accepts Commission (detail).jpg|link=Janet Beta|1947: Mathematician and military intelligence officer [[Janet Beta]] privately advises Eleanor Roosevelt that [[crimes against mathematical constants]] will only worsen under a military-industrial state of emergency.


||1955: Oswald Avery dies ... physician and microbiologist. Avery was one of the first molecular biologists and a pioneer in immunochemistry; he is best known for the experiment (published in 1944 with his co-workers Colin MacLeod and Maclyn McCarty) that isolated DNA as the material of which genes and chromosomes are made. Pic.
||1955: Oswald Avery dies ... physician and microbiologist. Avery was one of the first molecular biologists and a pioneer in immunochemistry; he is best known for the experiment (published in 1944 with his co-workers Colin MacLeod and Maclyn McCarty) that isolated DNA as the material of which genes and chromosomes are made. Pic.
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File:Mir.jpg|link=Mir (nonfiction)|1986: The Soviet Union launches its [[Mir (nonfiction)|Mir spacecraft]]. Remaining in orbit for 15 years, it is occupied for ten of those years.
File:Mir.jpg|link=Mir (nonfiction)|1986: The Soviet Union launches its [[Mir (nonfiction)|Mir spacecraft]]. Remaining in orbit for 15 years, it is occupied for ten of those years.
|File:AESOP.jpg|link=AESOP|[[AESOP]] said to be cause of prophetic dreams among the [[Mir (nonfiction)|Mir]] astronauts.
File:Voronoi-diagram-color-commentators.jpg|link=Fantasy Voronoi diagram|1986: New channel features [[Fantasy Voronoi diagrams]] based on the probability of the Soviet spacecraft [[Mir (nonfiction)|Mir spacecraft]] contacting [[AESOP]] or other artificial intelligence.


||1993: Takeo Yoshikawa dies ... Japanese spy in Hawaii before the attack on Pearl Harbor on December 7, 1941. Pic search.
||1993: Takeo Yoshikawa dies ... Japanese spy in Hawaii before the attack on Pearl Harbor on December 7, 1941. Pic search.

Revision as of 11:21, 21 January 2022

  • 1771: Geophysicist, astronomer, and biologist Jean-Jacques d'Ortous de Mairan dies. His observations and experiments inspired the beginning of what is now known as the study of biological circadian rhythms.

    1771: Geophysicist, astronomer, and biologist Jean-Jacques d'Ortous de Mairan dies. His observations and experiments inspired the beginning of what is now known as the study of biological circadian rhythms.

  • 1788: Physicist and academic Laura Bassi dies. She was one of the key figures in introducing Newton's ideas of physics and natural philosophy to Italy.

    1788: Physicist and academic Laura Bassi dies. She was one of the key figures in introducing Newton's ideas of physics and natural philosophy to Italy.

  • 1972: Physicist and academic Maria Goeppert-Mayer dies. She developed a mathematical model for the structure of nuclear shells, for which she was awarded the Nobel Prize in Physics in 1963, which she shared with J. Hans D. Jensen and Eugene Wigner.

    1972: Physicist and academic Maria Goeppert-Mayer dies. She developed a mathematical model for the structure of nuclear shells, for which she was awarded the Nobel Prize in Physics in 1963, which she shared with J. Hans D. Jensen and Eugene Wigner.

  • 1986: The Soviet Union launches its Mir spacecraft. Remaining in orbit for 15 years, it is occupied for ten of those years.

    1986: The Soviet Union launches its Mir spacecraft. Remaining in orbit for 15 years, it is occupied for ten of those years.

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