"Normal science" means research firmly based upon one or more past scientific achievements, achievements that some particular scientific community acknowledges for a time as supplying the foundation for its further practice.

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• Jean De La Bruyere

  Wednesday, Aug 16, 1645
  Thursday, May 10, 1696

• Khalil Gibran

  Poet

  Saturday, Jan 06, 1883
  Friday, Apr 10, 1931

• Zig Ziglar

  Author

  Saturday, Nov 06, 1926
  Wednesday, Nov 28, 2012

• George Bernard Shaw

  Playwright

  Saturday, Jul 26, 1856
  Thursday, Nov 02, 1950

• Billy Graham

  Evangelist

  Thursday, Nov 07, 1918
  

• Wayne Dyer

  Author

  Friday, May 10, 1940
  Saturday, Aug 29, 2015

• Heraclitus

  Philosopher

  Thursday, Jan 01, 1970
  Thursday, Jan 01, 1970

• William Blake

  Poet

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

• Chanakya

  Teacher

  Thursday, Jan 01, 1970
  Thursday, Jan 01, 1970

• Barack Obama

  44Th U.s. President

  Friday, Aug 04, 1961
  

• Marcus Aurelius

  Roman Emperor

  Saturday, Apr 26, 0121
  Friday, Mar 17, 0180

• John F. Kennedy

  35Th U.s. President

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

• John Keats

  Poet

  Saturday, Oct 31, 1795
  Friday, Feb 23, 1821

• Marcus Tullius Cicero

  Philosopher

  
  

• Robert Frost

  Poet

  Thursday, Mar 26, 1874
  Tuesday, Jan 29, 1963