Scientific knowledge is a body of statements of varying degrees of certainty -- some most unsure, some nearly sure, none absolutely certain.

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• Carl Jung

  Psychiatrist

  Monday, Jul 26, 1875
  Tuesday, Jun 06, 1961

• Henry Ford

  Industrialist

  Thursday, Jul 30, 1863
  Monday, Apr 07, 1947

• Edgar Allan Poe

  Author

  Thursday, Jan 19, 1809
  Sunday, Oct 07, 1849

• Helen Keller

  Author

  Sunday, Jun 27, 1880
  Saturday, Jun 01, 1968

• Pope Francis

  Thursday, Dec 17, 1936
  

• Billy Graham

  Professional Wrestler

  Monday, Jun 07, 1943
  

• William Blake

  Poet

  Monday, Nov 28, 1757
  Sunday, Aug 12, 1827

• Stephen Covey

  Author

  Monday, Oct 24, 1932
  Monday, Jul 16, 2012

• Leonardo Da Vinci

  Painter

  Thursday, Apr 15, 1452
  Friday, May 02, 1519

• Soren Kierkegaard

  Philosopher

  Wednesday, May 05, 1813
  Sunday, Nov 11, 1855

• W. Edwards Deming

  Statistician

  Sunday, Oct 14, 1900
  Monday, Dec 20, 1993

• Isaac Newton

  Physicist

  Sunday, Jan 04, 1643
  Monday, Mar 31, 1727

• Stephen Hawking

  Physicist

  Thursday, Jan 08, 1942
  

• Thomas Sowell

  Economist

  Monday, Jun 30, 1930
  

• H. L. Mencken

  Journalist

  Sunday, Sep 12, 1880
  Sunday, Jan 29, 1956