Chimps don't have language. Humans actively instruct others about how things should be done. Chimpanzees probably pick up cultural traditions by observation.

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• H. L. Mencken

  Journalist

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

• Martin Luther

  Monk

  Saturday, Nov 10, 1483
  Monday, Feb 18, 1546

• Ernest Hemingway

  Author

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

• Heraclitus

  Philosopher

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

• Chanakya

  Teacher

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

• Kanye West

  Songwriter

  Wednesday, Jun 08, 1977
  Thursday, Jun 04, 2015

• Napoleon Hill

  Author

  Friday, Oct 26, 1883
  Sunday, Nov 08, 1970

• Yogi Berra

  Baseball Manager

  Tuesday, May 12, 1925
  Tuesday, Sep 22, 2015

• George Carlin

  Comedian

  Wednesday, May 12, 1937
  Sunday, Jun 22, 2008

• John Lewis

  U.s. Representative

  Wednesday, Feb 21, 1940
  

• Robert Frost

  Poet

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

• Stephen Hawking

  Physicist

  Thursday, Jan 08, 1942
  

• Robin Williams

  Actor

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

• Abraham Lincoln

  16Th U.S. President

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

• Thomas Sowell

  Economist

  Monday, Jun 30, 1930