There are only certain intervals of time when life of any sort is possible in an expanding universe and we can practise astronomy only during that habitable time interval in cosmic history.

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• John Keats

  Poet

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

• Soren Kierkegaard

  Philosopher

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

• Peter Drucker

  Author

  Friday, Nov 19, 1909
  Friday, Nov 11, 2005

• Thomas Jefferson

  3Rd US President

  Saturday, Apr 13, 1743
  Tuesday, Jul 04, 1826

• Francis Of Assisi

  Saint

  Thursday, Jun 24, 1182
  Saturday, Oct 03, 1226

• Barack Obama

  44Th U.s. President

  Friday, Aug 04, 1961
  

• Mahatma Gandhi

  Civil Rights Leader

  Saturday, Oct 02, 1869
  Friday, Jan 30, 1948

• Napoleon Bonaparte

  Military Commander

  Tuesday, Aug 15, 1769
  Saturday, May 05, 1821

• Henry Ford

  Industrialist

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

• Donald Trump

  45Th President Of The United States

  Friday, Jun 14, 1946
  

• Henry David Thoreau

  Author

  Saturday, Jul 12, 1817
  Tuesday, May 06, 1862

• Ronald Reagan

  40Th US President

  Monday, Feb 06, 1911
  Saturday, Jun 05, 2004

• Dr. Seuss

  Writer

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

• Ernest Hemingway

  Author

  Friday, Jul 21, 1899
  Sunday, Jul 02, 1961

• Heraclitus

  Philosopher

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