Leucippus was a pre-Socratic Greek philosopher. He is traditionally credited as the founder of atomism, which he developed with his student Democritus. Leucippus divided the world into two entities: a
Leucippus, as imagined by the 17th-century painter Luca Giordano
A 1773 line engraving of Leucippus
Parmenides of Elea was a pre-Socratic Greek philosopher from Elea in Magna Graecia.
Bust of Parmenides discovered at Velia, thought to have been partially modeled on a Metrodorus bust
Greek vase with runners at the panathenaic games, c. 530 BC. In Plato's [fictional] dialogue, Parmenides and Zeno debate a young Socrates during these games c. 450 BC.
Greek Charioteer. Bas-relief from the last quarter of the 6th century BC, Istanbul Archaeological Museum.
Helios and the Night. Lekythos from black-figure pottery from 4th century BC depicts Helios, ascending in his chariot, Night, receding to the left and Eos to the right.