1990 in science

List of years in science (Table)
… 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 …
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The year 1990 in science and technology involved some significant events.

Astronomy and space exploration

• April 24 – The Space Shuttle Discovery places the Hubble Space Telescope into orbit.

Computer science

• November 12 – Tim Berners-Lee publishes a more formal proposal for the World Wide Web.
• November 13 – The first known web page is written.

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.

Paleontology

• August 12 – "Sue", the best preserved Tyrannosaurus rex specimen ever found, is discovered in South Dakota.

Awards

• Fields Prize in Mathematics: Vladimir Drinfeld, Vaughan Frederick Randal Jones, Shigefumi Mori and Edward Witten
• Nobel Prizes
  • Physics – Jerome I. Friedman, Henry W. Kendall, Richard Taylor
  • Chemistry – Elias James Corey
  • Medicine – Joseph E. Murray, E. Donnall Thomas
• Turing Award – Fernando J. Corbató

Deaths

• January 4 – Prof. Doc Edgerton, (b. 1903), electrical engineer.
• January 26 – Lewis Mumford (b. 1895), historian and philosopher of science.
• March 22 – Gerald Bull (b. 1928), engineer.
• March 24 – An Wang (b. 1920), computer designer.
• October 17 - Hans Freudenthal (b. 1905), mathematician.