philo
athens street-corner philosopher
Socrates
the philosopher who would be king
plato
a long walk to the golden mean
aristotles
proposed that the whole universe was composed of different forms of water
thales of miletus
proposed that the universe was made of air
anaximanes of miletus
proposed that the universe wss made of fire
heraclitus of ephesus
proposed that the universe was made from as the infinite or the boundless
anaximander
believed that all of reality was governed by mathematics
pythagoras of samos
argued that everything that exist is permanent indestructible and unchanging
parmenides of elea
pointed out that the concept of infinity in divisibility is a problematical
zeno of elea
proposed that everything is made up of the four classical elements
empedocles
developed the study of aetiology
democritus