Plato's most famous contribution is his Theory of Forms (or Ideas), which aims to solve what is now known as the problem of universals. He was influenced by the pre-Socratic thinkers Pythagoras, …

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Jan 9, 2026 · Plato was an ancient Greek philosopher who produced works of unparalleled influence.

Mar 20, 2004 · Like nearly everyone else who appears in Plato’s works, he is not an invention of Plato: there really was a Socrates just as there really was a Crito, a Gorgias, a Thrasymachus, and a Laches.

Plato’s middle to later works, including his most famous work, the Republic, are generally regarded as providing Plato’s own philosophy, where the main character in effect speaks for Plato himself.

Nov 9, 2009 · The Athenian philosopher Plato (c.428-347 B.C.) is one of the most important figures of the Ancient Greek world and t...

2 days ago · Even in ancient Greece, people worried about philosophy’s subversive effect on tender minds.

Aug 9, 2023 · Ancient Greek philosopher Plato founded the Academy and is the author of philosophical works of unparalleled influence in Western thought.

Plato’s dialogues and teachings are foundational to Western philosophy and have influenced a wide range of subjects, from metaphysics to ethics to political theory.

Dec 17, 2025 · Learn all about the ancient Greek philosopher Plato, from his life and works to his impact on Western thought.