- Aristotle
- Baruch de Spinoza
- Confucius
- David Hume
- Friedrich Nietzsche
- Galileo Galilei
- Ghandi
- Immanuel Kant
- Jean-paul Satre
- John Locke
- John Stuart Mill
- Karl Marx
- Lao Tzu
- Ludwig Wittgenstein
- Plato
- Protagoras
- Rene Descartes
- Siddartha Gautama (Buddha)
- Socrates
- St. Augustine
- Voltaire
feb 23 2012 ∞
feb 23 2012 +