We know that in 2001 it was believed 78 stem cell lines existed. But now we know there are only 22 that are viable, and they have been contaminated with mouse stem cells.

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• Oscar Wilde

  Writer

  Monday, Oct 16, 1854
  Friday, Nov 30, 1900

• Mae West

  Actress

  Thursday, Aug 17, 1893
  Saturday, Nov 22, 1980

• Vince Lombardi

  Football Player

  Wednesday, Jun 11, 1913
  Thursday, Sep 03, 1970

• Walt Whitman

  Poet

  Monday, May 31, 1819
  Saturday, Mar 26, 1892

• Paulo Coelho

  Lyricist

  Sunday, Aug 24, 1947
  

• Samuel Taylor Coleridge

  Poet

  Wednesday, Oct 21, 1772
  Friday, Jul 25, 1834

• Thomas Sowell

  Economist

  Monday, Jun 30, 1930
  

• George Orwell

  Novelist

  Thursday, Jun 25, 1903
  Saturday, Jan 21, 1950

• Dr. Seuss

  Writer

  Wednesday, Mar 02, 1904
  Tuesday, Sep 24, 1991

• Billy Graham

  Evangelist

  Thursday, Nov 07, 1918
  

• Walt Disney

  Animator

  Thursday, Dec 05, 1901
  Thursday, Dec 15, 1966

• Helen Keller

  Author

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

• John Muir

  Author

  Saturday, Apr 21, 1838
  Thursday, Dec 24, 1914

• Robin Williams

  Actor

  Saturday, Jul 21, 1951
  Monday, Aug 11, 2014

• John F. Kennedy

  35Th U.s. President

  Tuesday, May 29, 1917
  Friday, Nov 22, 1963