10/20/1919 - 07/25/2008
H. Tracy Hall, who died Friday at 88, was an American physical chemist, he was the first to synthesize diamonds in the laboratory, in 1954, fulfilling what scientists sought for at least two centuries.
Steve Irwin (Stephen Robert Irwin)
02/22/1962 - 09/04/2006
Stephen Robert "Steve" Irwin (22 February 1962 – 4 September 2006), nicknamed "The Crocodile Hunter", was an Australian television personality, wildlife expert, and conservationist. Irwin achieved worldwide fame from the...
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09/07/1925 - 02/08/2008
Robert Jastrow (September 7, 1925 – February 8, 2008) was an American astronomer, physicist and cosmologist. He was a leading NASA scientist, populist author and futurist.
04/08/1850 - 04/30/1934
William Henry Welch, M.D. (April 8, 1850 - April 30, 1934) was an American physician, pathologist, and medical school administrator. He was one of the "Big Four" founding professors at Johns Hopkins Hospital.
02/11/1839 - 04/28/1903
Josiah Willard Gibbs (February 11, 1839 – April 28, 1903) was an American theoretical physicist, chemist, and mathematician. He devised much of the theoretical foundation for chemical thermodynamics as well as physical chemistry.
12/24/1910 - 03/15/2004
William Hayward Pickering ONZ KBE (24 December 1910 — 15 March 2004) was a New Zealand born rocket scientist who headed Pasadena, California's Jet Propulsion Laboratory (JPL) for 22 years, retiring...
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Ted Maiman (Theodore Harold Maiman)
07/11/1927 - 05/05/2007
Theodore Harold "Ted" Maiman (July 11, 1927 – May 5, 2007) was an American physicist who made the first LASER (Light Amplification by Stimulated Emission of Radiation).
06/08/1916 - 07/28/2004
Francis Harry Compton Crick (8 June 1916 – 28 July 2004) was an English molecular biologist, biophysicist, and neuroscientist, and most noted for being one of two co-discoverers of the structure of the DNA...
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04/27/1791 - 04/02/1872
Samuel Finley Breese Morse (April 27, 1791 – April 2, 1872) was an American contributor to the invention of a single-wire telegraph system based on European telegraphs, co-inventor of the Morse code, and an accomplished painter.
01/25/1921 - 11/28/2010
Samuel Theodore Cohen (January 25, 1921 – November 28, 2010) was an American physicist who invented the W70 warhead, more popularly known as the neutron bomb.
09/08/1941 - 10/09/2011
Dennis MacAlistair Ritchie (Username: dmr, September 8, 1941 — October 8/9, 2011) was an American computer scientist notable for developing C and for having influence on other programming languag...
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12/26/1880 - 09/07/1949
George Elton Mayo (26 December 1880 - 7 September 1949) was an Australian psychologist, sociologist and organization theorist.
03/15/1926 - 10/17/2009
Sheldon Jerome Segal (March 15, 1926 – October 17, 2009) was an American embryologist and biochemist who spent his entire career working on contraception and made major innovations in the field of long...
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01/11/1906 - 04/29/2008
Albert Hofmann (January 11, 1906 – April 29, 2008)was a Swiss scientist known best for being the first person to synthesize, ingest and learn of the psychedelic effects of lysergic acid diethylami...
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05/23/1917 - 04/16/2008
Edward Norton Lorenz (May 23, 1917 - April 16, 2008) was an American mathematician and meteorologist, and a pioneer of chaos theory. He discovered the strange attractor notion and coined the term butterfly effect.