09/09/1823 - 04/30/1891
Joseph Leidy (September 9, 1823 – April 30, 1891) was an American paleontologist. Leidy was professor of anatomy at the University of Pennsylvania, and later was a professor of natural history at Swarthmore College.
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.
11/08/1923 - 06/20/2005
Jack St. Clair Kilby (November 8, 1923 – June 20, 2005) was a Nobel Prize laureate in physics in 2000 for his invention of the integrated circuit in 1958 while working at Texas Instruments (TI). He is also the inventor of the handheld calcul...
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09/04/1927 - 10/23/2011
John McCarthy (September 4, 1927 – October 23, 2011) was an American computer scientist and cognitive scientist who received the Turing Award in 1971 for his major contributions to the field of...
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Steve Jobs (Steven Paul Jobs)
02/24/1955 - 10/05/2011
Steven Paul Jobs (February 24, 1955 – October 5, 2011) was an American computer entrepreneur and inventor. He was co-founder, chairman, and chief executive officer of Apple Inc. Jobs also previously served as ch...
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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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11/27/1701 - 04/25/1744
Anders Celsius (27 November 1701 – 25 April 1744) was a Swedish astronomer. He was professor of astronomy at Uppsala University from 1730 to 1744, but traveled from 1732 to 1735 visiting notable observatories in Germany, Italy and France. He...
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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.
03/22/1963 - 08/05/2011
Francesco Daniele Quinn (March 22, 1963 – August 5, 2011) was an Italian-born American actor. The third son of Oscar winner Anthony Quinn, Francesco is perhaps best known for his breakout role as Rhah in...
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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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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.
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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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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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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