Template:Selected anniversaries/April 11: Difference between revisions

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||1862 – William Wallace Campbell, American astronomer and academic (d. 1938)
||1862 – William Wallace Campbell, American astronomer and academic (d. 1938)
||John Park Finley (b. April 11, 1854) was an American meteorologist and Army Signal Service officer who was the first person to study tornadoes intensively. He also wrote the first known book on the subject as well as many other manuals and booklets, collected vast climatological data, set up a nationwide weather observer network, started one of the first private weather enterprises, and opened an early aviation weather school. Pic.


||Otto Linné Erdmann (d. 9 October 1869) was a German chemist.
||Otto Linné Erdmann (d. 9 October 1869) was a German chemist.

Revision as of 18:06, 7 February 2018

  • 1789: Clockmaker Jean-André Lepaute dies. He was an innovator, introducing numerous improvements in clockmaking, especially his pin-wheel escapement, and his clockworks in which the gears are all in the horizontal plane.

    1789: Clockmaker Jean-André Lepaute dies. He was an innovator, introducing numerous improvements in clockmaking, especially his pin-wheel escapement, and his clockworks in which the gears are all in the horizontal plane.

  • 1914: Mathematician Dorothy Lewis Bernstein born. She will be the first woman to be elected president of the Mathematics Association of America.

    1914: Mathematician Dorothy Lewis Bernstein born. She will be the first woman to be elected president of the Mathematics Association of America.

  • 1923: Outbreak of Scrimshaw abuse in Seattle and Portland blamed on new class of crimes against mathematical constants.

    1923: Outbreak of Scrimshaw abuse in Seattle and Portland blamed on new class of crimes against mathematical constants.

  • 1955: The Air India Kashmir Princess is bombed and crashes in a failed assassination attempt on Zhou Enlai.

    1955: The Air India Kashmir Princess is bombed and crashes in a failed assassination attempt on Zhou Enlai.

  • 1956: Art critic and alleged supervillain The Eel escapes from The Nacreum, says he has been framed for crimes he did not commit by the enemies of Cornelius Drebbel.

    1956: Art critic and alleged supervillain The Eel escapes from The Nacreum, says he has been framed for crimes he did not commit by the enemies of Cornelius Drebbel.

  • 1962: Physicist and academic Ukichiro Nakaya dies. He created the first artificial snowflakes.

    1962: Physicist and academic Ukichiro Nakaya dies. He created the first artificial snowflakes.

  • 1980: Viking program: After operating on the surface of Mars for 1316 days (1281 sols), the Viking 2 lander is turned off when its batteries fail.

    1980: Viking program: After operating on the surface of Mars for 1316 days (1281 sols), the Viking 2 lander is turned off when its batteries fail.

  • 2006: The Venus Express spacecraft arrives at Venus after 153 days of journey, and begins continuously sending back science data from its polar orbit around Venus.

    2006: The Venus Express spacecraft arrives at Venus after 153 days of journey, and begins continuously sending back science data from its polar orbit around Venus.

  • 2017: Dennis Paulson calls for a moment of silence in recognition of the thirty-seventh anniversary of NASA switching off the Viking 2 spacecraft.

    2017: Dennis Paulson calls for a moment of silence in recognition of the thirty-seventh anniversary of NASA switching off the Viking 2 spacecraft.

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