Presocratic Philosophers: Thales, Anaximander, Xenophanes, Heraclitus, Pythagoras, Parmenides, Zeno, Empedocles, Anaxagoras, Democritus

Thales & Anaximander & Xenophanes & Heraclitus & Pythagoras & Parmenides & Zeno & Empedocles & Anaxagoras & Democritus