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A HISTORY OF EVOLUTION
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THE GREEK PERIODS[1]

GENERAL CONCEPTION OF NATURE: DIVISIONS OF THE SCHOOLS
Mythological The prehistoric traditions,
I. The Three Earliest Schools.
FIRST PERIOD: The Ionians: Thales (624–548), Anaximander (611–547), Anaximenes (588–524), Diogenes (440– ).
Naturalistic The Pythagoreans (580–430). The Eleatics. Xenophanes (576–489). Parmenides (544– ).
II. The Physicists.
Materialistic
(Early)
Heraclitus (535–475), Empedocles (495–435), Democritus (450– ), Anaxagoras (500–428).
SECOND PERIOD: Socrates (470–399), Plato (427–347).
Teleological Aristotle (384–322).
The Post-Aristotelians, (so-ealled Peripatetics), inecluding Theophrastus, Preaxagoras, Herophilus, and others.
A. I. The Stoics.
THIRD PERIOD: II. The Epicureans.
Epicurus (341–270).
Materialistic III. The Sceptics.
(Late) B. I. Eclecticism.
Galen (131–201 A. D.).

  1. Modified after Zeller and Osborn.