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.
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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07/09/1911 - 04/13/2008
John Archibald Wheeler (July 9, 1911 – April 13, 2008) was an American theoretical physicist who was largely responsible for reviving interest in general relativity in the United States after World War II. Wheeler also worked with Niels Bohr...
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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.
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.
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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09/09/1823 - 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.
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.
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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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).
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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12/30/1934 - 08/17/2005
John Norris Bahcall (December 30, 1934 – August 17, 2005) was an American astrophysicist, best known for his contributions to the solar neutrino problem, the development of the Hubble Space Telescope and for his leadership and development of...
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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.
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.