Philosopher

• Socrates

  

  (Apr 30, 0469 to Feb 11, 0399 BC)

• Henry David Thoreau

  

  (July 12, 1817 to May 6, 1862)

• Marcus Aurelius

  

  (Dec 27, 1822 to Sep 28, 1895)

• Laozi

  

  (601 BC)

• Thomas Aquinas

  

  (1225 to 1274)

• Niccolo Machiavelli

  

  (May 3, 1469 to June 21, 1527)

• John Muir

  

  (Apr 21, 1838 to Dec 24, 1914)

• Confucius

  

  (551 BC to 479 BC)

• Albert Einstein

  

  (Mar 14, 1879 to Apr 18, 1955)

• Jean-Jacques Rousseau

  

  (June 28, 1712 to July 2, 1778)