CHRONOLOGY.

(Approximate where precise dates are not known.)

B.C.
624–547Thales.
610–546Anaximander.
585–526Anaximenes.
572–497Pythagoras.
born 516 or 514
(possibly 540).
Parmenides.
500–428Anaxagoras.
494–434Empedocles.
5th century{ Œnopides of Chios.
{ Philolaus.
427–347Plato.
408–355Eudoxus.
388–315Heraclides of Pontus.
384–322Aristotle.
370–300Callippus.
310–230Aristarchus of Samos.
287–212Archimedes.
284–203Eratosthenes.
265–190Apollonius of Perga.
3rd centuryAratus.
fl. 150Hipparchus.
135–51Posidonius.
A.D.
50–125Plutarch.
100–178Ptolemy.

ABERDEEN: THE UNIVERSITY PRESS