Plato (c. 428 BCE in Athens, Greece–c. 348 BCE in Athens, Greece)
For information about Plato's life, see bio and the Internet Encyclopedia of Philosophy.
Biography of Plato from The European Graduate School
Plato was born around the year 428 BCE in Athens. His father died while Plato was young, and his mother remarried to Pyrilampes, in whose house Plato would grow up. Plato's birth name was Aristocles, and he gained the nickname Platon, meaning broad, because of his broad build. His family had a history in politics, and Plato was destined to a life in keeping with this history. He studied at a gymnasium owned by Dionysios, and at the palaistra of Ariston of Argos. When he was young he studied music and poetry. According to Aristotle, Plato developed the foundations of his metaphysics and epistemology by studying the doctrines of Cratylus, and the work of Pythagoras and Parmenides. When Plato met Socrates, however, he had met his definitive teacher. As Socrates' disciple, Plato adopted his philosophy and style of debate, and directed his studies toward the question of virtue and the formation of a noble character.
Plato was in military service from 409 BC to 404 BC. When the Peloponnesian War ended in 404 BC he joined the Athenian oligarchy of the Thirty Tyrants, one of whose leaders was his uncle Charmides. The violence of this group quickly prompted Plato to leave it. In 403 BC, when democracy was restored in Athens, he had hopes of pursuing his original goal of a political career. Socrates' execution in 399 BC had a profound effect on Plato, and was perhaps the final event that would convince him to leave Athenian politics forever.
Plato left Attica along with other friends of Socrates and traveled for the next twelve years. To all accounts it appears that he left Athens with Euclides for Megara, then went to visit Theodorus in Cyrene, moved on to study with the Pythagoreans in Italy, and finally to Egypt. During this period he studied the philosophy of his contemporaries, geometry, geology, astronomy and religion.
After 399 BC Plato began to write extensively. It is still up for debate whether he was writing before Socrates' death, and the order in which he wrote his major texts is also uncertain. However, most scholars agree to divide Plato's major work into three distinct groups. The first of these is known as the Socratic Dialogues because of how close he stays within the text to Socrates' teachings. They were probably written during the years of his travels between 399 and 387 BC. One of the texts in this group called the Apology seems to have been written shortly after Socrates' death. Other texts relegated to this group include the Crito, Laches, Lysis, Charmides, Euthyphro, and Hippias Minor and Major.
Plato returned to Athens in 387 BC and, on land that had once belonged to Academos, he founded a school of learning which he called the Academy. Plato's school is often described at the first European university. Its curriculum offered subjects including astronomy, biology, mathematics, political theory, and philosophy. Plato hoped the Academy would provide a place where thinkers could work toward better government in the Grecian cities. He would preside over the Academy until his death.
The period from 387 to 361 BC is often called Plato's "middle" or transitional period. It is thought that he may have written the Meno, Euthydemus, Menexenus, Cratylus, Repuglic, Phaedrus, Syposium and Phaedo during this time. The major difference between these texts and his earlier works is that he tends toward grander metaphysical themes and begins to establish his own voice in philosophy. Socrates still has a presence, however, sometimes as a fictional character. In the Meno for example Plato writes of the Socratic idea that no one knowingly does wrong, and adds the new doctrine of recollection questioning whether virtue can be taught. In the Phaedo we are introduced to the Platonic doctrine of the Forms, in which Plato makes claims as to the immortality of the human soul. The middle dialogues also reveal Plato's method of hypothesis.
Plato's most influential work, The Republic, is also a part of his middle dialogues. It is a discussion of the virtues of justice, courage, wisdom, and moderation, of the individual and in society. It works with the central question of how to live a good life, asking what an ideal State would be like, and what defines a just individual. These lead to more questions regarding the education of citizens, how government should be formed, the nature of the soul, and the afterlife. The dialogue finishes by reviewing various forms of government and describing the ideal state, where only philosophers are fit to rule. The Republic covers almost every aspect of Plato's thought.
The prisoners are to the left. The Cave: an adaptation of Plato's Allegory of the Cave in clay |
Map of Ancient Greece and the Mediterranean |
Aristotle (c. 384 BCE - c. 322 BCE), student of Plato.