Template:Selected anniversaries/February 21: Difference between revisions

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||921 – Abe no Seimei, Japanese astrologer (d. 1005)
||921: Abe no Seimei born ... Japanese astrologer.


||1556 – Sethus Calvisius, German astronomer, composer, and theorist (d. 1615)
||1556: Sethus Calvisius born ... astronomer, composer, and theorist,


File:Gérard Desargues.jpg|link=Girard Desargues (nonfiction)|1591: Mathematician and engineer [[Girard Desargues (nonfiction)|Girard Desargues]] born. He will be one of the founders of projective geometry.
File:Gérard Desargues.jpg|link=Girard Desargues (nonfiction)|1591: Mathematician and engineer [[Girard Desargues (nonfiction)|Girard Desargues]] born. He will be one of the founders of projective geometry.
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File:Sir Francis Ronalds.jpg|link=Francis Ronalds (nonfiction)|1788: Scientist, inventor, and engineer [[Francis Ronalds (nonfiction)|Francis Ronalds]] born. He will be knighted for creating the first working electric telegraph.
File:Sir Francis Ronalds.jpg|link=Francis Ronalds (nonfiction)|1788: Scientist, inventor, and engineer [[Francis Ronalds (nonfiction)|Francis Ronalds]] born. He will be knighted for creating the first working electric telegraph.


||1804 – The first self-propelling steam locomotive makes its outing at the Pen-y-Darren Ironworks in Wales.
||1804: The first self-propelling steam locomotive makes its outing at the Pen-y-Darren Ironworks in Wales.


||1828 – Initial issue of the Cherokee Phoenix is the first periodical to use the Cherokee syllabary invented by Sequoyah.
||1828: Initial issue of the Cherokee Phoenix is the first periodical to use the Cherokee syllabary invented by Sequoyah.


||Pietro Paoli (d. February 21, 1839) was an Italian mathematician.
||1839: Pietro Paoli dies ... mathematician.


||1842 – John Greenough is granted the first U.S. patent for the sewing machine.
||1842: John Greenough is granted the first U.S. patent for the sewing machine.


||Justinus Andreas Christian Kerner (d. 21 February 1862) was a German poet, practicing physician, and medical writer.
||1862: Justinus Andreas Christian Kerner dies ... poet, practicing physician, and medical writer.


||1878 – The first telephone directory is issued in New Haven, Connecticut.
||1878: The first telephone directory is issued in New Haven, Connecticut.


||1894 – Shanti Swaroop Bhatnagar, Indian chemist and academic (d. 1955)
||1894: Shanti Swaroop Bhatnagar born ... chemist and academic.


||1895 – Henrik Dam, Danish biochemist and physiologist, Nobel Prize laureate (d. 1976)
||1895: Henrik Dam born ... biochemist and physiologist, Nobel Prize laureate.


File:Curie_and_radium_by_Castaigne.jpg|link=Radium (nonfiction)|1899: Marie and Pierre Curie use [[Radium (nonfiction)|radium]] to detect and expose [[crimes against physical constants]].
File:Curie_and_radium_by_Castaigne.jpg|link=Radium (nonfiction)|1899: Marie and Pierre Curie use [[Radium (nonfiction)|radium]] to detect and expose [[crimes against physical constants]].


||Charles Piazzi Smyth (d. 21 February 1900) was an English astronomer who was Astronomer Royal for Scotland from 1846 to 1888; he is known for many innovations in astronomy and his pyramidological and metrological studies of the Great Pyramid of Giza. Pic.
||1900: Charles Piazzi Smyth dies ... astronomer who was Astronomer Royal for Scotland from 1846 to 1888; he is known for many innovations in astronomy and his pyramidological and metrological studies of the Great Pyramid of Giza. Pic.


||György Hajós (b. February 21, 1912) was a Hungarian mathematician who worked in group theory, graph theory, and geometry.
||1912: György Hajós born ... mathematician who worked in group theory, graph theory, and geometry.


||Osborne Reynolds (d. 21 February 1912) was a prominent Irish innovator in the understanding of fluid dynamics. Separately, his studies of heat transfer between solids and fluids brought improvements in boiler and condenser design. Pic.
||1912: Osborne Reynolds dies ... innovator in the understanding of fluid dynamics. Separately, his studies of heat transfer between solids and fluids brought improvements in boiler and condenser design. Pic.


||1921 – Richard T. Whitcomb, American aeronautical engineer (d. 2009)
||1921: Richard T. Whitcomb born ... aeronautical engineer.


||1924 – Thelma Estrin, American computer scientist and engineer (d. 2014)
||1924: Thelma Estrin born ... computer scientist and engineer.


||1924 – Dorothy Blum, American computer scientist and cryptanalyst (d. 1980)
||1923: George de Bothezat helicopter flight. Pic: https://commons.wikimedia.org/wiki/File:De_Bothezat_Quadrotor.jpg
 
||1924: Dorothy Blum born ... computer scientist and cryptanalyst.


File:Heike Kamerlingh Onnes.jpg|link=Heike Kamerlingh Onnes (nonfiction)|1926: Physicist and academic [[Heike Kamerlingh Onnes (nonfiction)|Heike Kamerlingh Onnes]] dies. He received widespread recognition for his work, including the 1913 Nobel Prize in Physics for "his investigations on the properties of matter at low temperatures which led, ''inter alia'', to the production of liquid helium".
File:Heike Kamerlingh Onnes.jpg|link=Heike Kamerlingh Onnes (nonfiction)|1926: Physicist and academic [[Heike Kamerlingh Onnes (nonfiction)|Heike Kamerlingh Onnes]] dies. He received widespread recognition for his work, including the 1913 Nobel Prize in Physics for "his investigations on the properties of matter at low temperatures which led, ''inter alia'', to the production of liquid helium".
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File:George Ellery Hale.jpg|link=George Ellery Hale (nonfiction)|1938: Astronomer and journalist [[George Ellery Hale (nonfiction)|George Ellery Hale]] dies. He discovered magnetic fields in sunspots, and was a leader or key figure in the planning or construction of several world-leading telescopes.
File:George Ellery Hale.jpg|link=George Ellery Hale (nonfiction)|1938: Astronomer and journalist [[George Ellery Hale (nonfiction)|George Ellery Hale]] dies. He discovered magnetic fields in sunspots, and was a leader or key figure in the planning or construction of several world-leading telescopes.


||1941 – Frederick Banting, Canadian physician and academic, Nobel Prize laureate (b. 1891)
||1941: Frederick Banting dies ... physician and academic, Nobel Prize laureate.


||1947 – In New York City, Edwin Land demonstrates the first "instant camera", the Polaroid Land Camera, to a meeting of the Optical Society of America.
||1947: In New York City, Edwin Land demonstrates the first "instant camera", the Polaroid Land Camera, to a meeting of the Optical Society of America.


||Julio Rey Pastor (14 August 1888 – 21 February 1962) was a Spanish mathematician and historian of science.
||1962: Julio Rey Pastor dies ... mathematician and historian of science.


||1965 – Malcolm X is assassinated at the Audubon Ballroom in New York City.
||1965: Malcolm X is assassinated at the Audubon Ballroom in New York City.


||1968: Howard Florey dies ... pathologist and pharmacologist, Nobel Prize laureate.
||1968: Howard Florey dies ... pathologist and pharmacologist, Nobel Prize laureate.

Revision as of 11:46, 23 October 2018

  • 1591: Mathematician and engineer Girard Desargues born. He will be one of the founders of projective geometry.

    1591: Mathematician and engineer Girard Desargues born. He will be one of the founders of projective geometry.

  • 1592: Canterbury scrying engine crashes, predicts faulty future; the resulting paradox will develop into an epidemic of capacitor failure by the early twenty-first century.

    1592: Canterbury scrying engine crashes, predicts faulty future; the resulting paradox will develop into an epidemic of capacitor failure by the early twenty-first century.

  • 1677: Philosopher, scholar, and lens-grinder Baruch Spinoza dies. He laid the groundwork for the 18th-century Enlightenment and modern biblical criticism, including modern conceptions of the self and the universe.

    1677: Philosopher, scholar, and lens-grinder Baruch Spinoza dies. He laid the groundwork for the 18th-century Enlightenment and modern biblical criticism, including modern conceptions of the self and the universe.

  • 1788: Scientist, inventor, and engineer Francis Ronalds born. He will be knighted for creating the first working electric telegraph.

    1788: Scientist, inventor, and engineer Francis Ronalds born. He will be knighted for creating the first working electric telegraph.

  • 1899: Marie and Pierre Curie use radium to detect and expose crimes against physical constants.

    1899: Marie and Pierre Curie use radium to detect and expose crimes against physical constants.

  • 1926: Physicist and academic Heike Kamerlingh Onnes dies. He received widespread recognition for his work, including the 1913 Nobel Prize in Physics for "his investigations on the properties of matter at low temperatures which led, inter alia, to the production of liquid helium".

    1926: Physicist and academic Heike Kamerlingh Onnes dies. He received widespread recognition for his work, including the 1913 Nobel Prize in Physics for "his investigations on the properties of matter at low temperatures which led, inter alia, to the production of liquid helium".

  • 1933: Alice Beta tells reporters that the rise of the Nazi party in Germany will lead to "new and unprecedently dangerous crimes against mathematical constants."

    1933: Alice Beta tells reporters that the rise of the Nazi party in Germany will lead to "new and unprecedently dangerous crimes against mathematical constants."

  • 1938: Astronomer and journalist George Ellery Hale dies. He discovered magnetic fields in sunspots, and was a leader or key figure in the planning or construction of several world-leading telescopes.

    1938: Astronomer and journalist George Ellery Hale dies. He discovered magnetic fields in sunspots, and was a leader or key figure in the planning or construction of several world-leading telescopes.

  • 1974: Film director and arms dealer Egon Rhodomunde privately advises White House aides H. R. Haldeman and John Ehrlichman that they "will both be sentenced to jail a year from today" for their roles in the Watergate scandal.

    1974: Film director and arms dealer Egon Rhodomunde privately advises White House aides H. R. Haldeman and John Ehrlichman that they "will both be sentenced to jail a year from today" for their roles in the Watergate scandal.

  • 1975: Watergate scandal: Former United States Attorney General John N. Mitchell and former White House aides H. R. Haldeman and John Ehrlichman are sentenced to prison.

    1975: Watergate scandal: Former United States Attorney General John N. Mitchell and former White House aides H. R. Haldeman and John Ehrlichman are sentenced to prison.

  • 2002: Capacitor plague affects several brands of portable envy devices.

    2002: Capacitor plague affects several brands of portable envy devices.

  • 2016: Signed first edition of Yellow Spiral stolen from the Uffizi gallery in Florence by agents of the Forbidden Ratio gang, perhaps under contract to Baron Zersetzung.

    2016: Signed first edition of Yellow Spiral stolen from the Uffizi gallery in Florence by agents of the Forbidden Ratio gang, perhaps under contract to Baron Zersetzung.

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