Private enterprise can never lead a space frontier. It's not possible because a space frontier is expensive, it has unknown risks and it has unquantified risks.

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• Edgar Allan Poe

  Author

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

• Alfred Lord Tennyson

  Poet

  Saturday, Aug 05, 1809
  Thursday, Oct 06, 1892

• Marcus Aurelius

  Roman Emperor

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

• H. L. Mencken

  Journalist

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

• Thomas Jefferson

  3Rd US President

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

• Leonardo Da Vinci

  Painter

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

• John C. Maxwell

  Author

  Thursday, Feb 20, 1947
  

• Charles Spurgeon

  Preacher

  Thursday, Jun 19, 1834
  Sunday, Jan 31, 1892

• Walt Disney

  Animator

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

• Benjamin Franklin

  Founding Father Of The United States

  Sunday, Jan 17, 1706
  Saturday, Apr 17, 1790

• John Muir

  Author

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

• Muhammad Ali

  Professional Boxer

  Saturday, Jan 17, 1942
  Friday, Jun 03, 2016

• Joe Biden

  Vice President Of The United States

  Friday, Nov 20, 1942
  

• Abraham Lincoln

  16Th U.S. President

  Sunday, Feb 12, 1809
  Saturday, Apr 15, 1865

• Napoleon Bonaparte

  Military Commander

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