Plato was an ancient Greek philosopher of Classical Athens who is widely considered the foundational thinker of the Western philosophical tradition. He was an innovator of the literary dialogue and dialectic forms, which became central methods for philosophical inquiry and teaching. Plato founded the Academy, a philosophical school in Athens where he taught and developed the collection of philosophical theories that would later become known as Platonism. Through his work at the Academy and his written dialogues, Plato influenced all the major areas of both theoretical and practical philosophy. His contributions to philosophy established frameworks and questions that continue to shape Western thought across metaphysics, epistemology, ethics, politics, and aesthetics.