Put them in the correct order -or- Pronounce them right:

Pericles, Aristophanes, Euripides, Aischylus, Herodotus,

 Socrates, Thoukidides,
Sophocles, Pythagoras, Hippocrates, Achilles, Thales, Phidias,

 Solon, Perseus,
Democritus, Odysseus, Phocion Leonidas, Dionysus,

Archimides, Epicurus,Themistocles,

Plato, Aristotle, Homer, Alexander, Anaxagoras, Diogenes, Zeno