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.
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.
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...
read more
read more
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...
read more
read more
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.
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...
read more
read more
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...
read more
read more
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...
read more
read more
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...
read more
read more
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.
03/06/1917 - 03/26/2011
Harry Wesley Coover, Jr. (March 6, 1917 – March 26, 2011) was the inventor of Eastman 910, commonly known as Super Glue.
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.
12/03/1936 - 07/02/2011
Robert Anthony Sklar (December 3, 1936 - July 2, 2011) was an American historian specializing in the history of cinema.
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...
read more
read more