The year 1990 in science and technology involved some significant events.
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[edit]Astronomy and space exploration
- April 24 – The Space Shuttle Discovery places the Hubble Space Telescope into orbit.
[edit]Computer science
- February – Adobe Photoshop 1.0 graphics software, devized by Thomas Knoll, is released.[1]
- November 12 – Tim Berners-Lee publishes a more formal proposal for the World Wide Web.[2]
- November 13 – The first known web page is written.[3]
[edit]Mathematics
- Ruth Lawrence publishes a paper on homological representations of the Hecke algebra, introducing, among other things, certain novel linear representations of the braid group, the Lawrence–Krammer representation.[4]
[edit]Paleontology
- August 12 – "Sue", the best preserved Tyrannosaurus rex specimen ever found, is discovered in South Dakota.
[edit]Awards
- Fields Prize in Mathematics: Vladimir Drinfeld, Vaughan Frederick Randal Jones, Shigefumi Mori and Edward Witten
- Nobel Prizes
- Turing Award – Fernando J. Corbató
[edit]Deaths
- January 4 – Prof. Doc Edgerton, (b. 1903), electrical engineer.
- January 26 – Lewis Mumford (b. 1895), historian and philosopher of science.
- March 20 – Victor Rothschild, 3rd Baron Rothschild (b. 1910), polymath.
- March 22 – Gerald Bull (b. 1928), engineer.
- March 24 – An Wang (b. 1920), computer designer.
- October 17 - Hans Freudenthal (b. 1905), mathematician.
[edit]References
- ^ Hormby, John (2007-06-05). "How Adobe's Photoshop Was Born". Story Photography. Archived from the original on 2007-10-11. Retrieved 2007-06-15.
- ^ Berners-Lee, T.; Cailliau, R. (12 November 1990). "WorldWideWeb: Proposal for a HyperText Project". Retrieved 2011-11-29.
- ^ "Links and Anchors". Retrieved 2011-11-29.
- ^ Lawrence, R. J. (1990). "Homological representations of the Hecke algebra" (PDF). Communications in Mathematical Physics 135: 141–191. Bibcode 1990CMaPh.135..141L. doi:10.1007/BF02097660. Retrieved 2011-11-29.
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