Source : Roger Zelazny (1978). “Sign of the Unicorn ; The Hand of Oberon ; The Courts of Chaos”
Source : James E. Loehr (1994). “Toughness training for life: a revolutionary program for maximizing health, happiness, and productivity”, Plume Books
Aristotle
Philosopher
Democritus
Philosopher
Friedrich Nietzsche
Philologist
Heraclitus
Philosopher
Parmenides
Philosopher
Pericles
Greek Statesman
Plato
Philosopher
Pythagoras
Philosopher
Thales
Philosopher