Plato is one of the world’s best known and most widely read and studied philosophers. He was the student of Socrates and the teacher of Aristotle, and he wrote in the middle of the fourth century …
Aristotle
Aristotle is a towering figure in ancient Greek philosophy, who made important contributions to logic, criticism, rhetoric, physics, biology, psychology, mathematics, metaphysics, ethics, and …
Pythagoras
Metempsychosis Although the exact details of Pythagoras's teachings are uncertain, it is possible to reconstruct a general outline of his main ideas. Aristotle writes at length about the teachings …
Parmenides
Parmenides of Elea was a Presocratic Greek philosopher. As the first philosopher to inquire into the nature of existence itself, he is incontrovertibly credited as the “Father of Metaphysics.” As the …
Thales of Miletus
Thales of Miletus , (flourished 6th century BC), Greek philosopher. None of his writings survive, and no contemporary sources exist. The claim that Thales was the founder of Western philosophy rests …
Heraclitus
A Greek philosopher of the late 6th century BCE, Heraclitus criticizes his predecessors and contemporaries for their failure to see the unity in experience. He claims to announce an everlasting …