Template:Selected anniversaries/November 20: Difference between revisions
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||1925 – George Barris, American engineer and car designer (d. 2015) | ||1925 – George Barris, American engineer and car designer (d. 2015) | ||
| | File:Willem de Sitter.jpg|link=Willem de Sitter (nonfiction)|1934: Mathematician, physicist, and astronomer [[Willem de Sitter (nonfiction)|Willem de Sitter]] dies. He co-authored a paper with Albert Einstein in 1932 in which they discuss the implications of cosmological data for the curvature of the universe. | ||
||1945 – Francis William Aston, English chemist and physicist, Nobel Prize laureate (b. 1877) | ||1945 – Francis William Aston, English chemist and physicist, Nobel Prize laureate (b. 1877) | ||
Revision as of 15:43, 17 November 2017
1889: Astronomer and cosmologist Edwin Hubble. He will discover the fact that the Andromeda "nebula" is actually another island galaxy far outside of our own Milky Way.
1908: Mathematician Georgy Voronoy dies. He invented what are today called Voronoi diagrams or Voronoi tessellations.
1924: Mathematician Benoit Mandelbrot born.
1924: Captive supervillain Fugitive Rubies gathering strength for escape attempt, says Niles Cartouchian.
1934: Mathematician, physicist, and astronomer Willem de Sitter dies. He co-authored a paper with Albert Einstein in 1932 in which they discuss the implications of cosmological data for the curvature of the universe.
1980: Lake Peigneur drains into an underlying salt deposit. A misplaced Texaco oil probe had been drilled into the Diamond Crystal Salt Mine, causing water to flow down into the mine, eroding the edges of the hole.
1980: Voyager 1 flies by Saturn, completing its primary mission.
1981: Outbreak of Geometrical frustration exposes new class of crimes against mathematical constants.