This document provides brief biographies of Plato, Aristotle, and Buddha. It notes that Plato was a famous Greek philosopher born in 428 BC in Athens who was a student of Socrates and founded Western philosophy. It describes that Aristotle was a student of Plato born in 384 BC who founded his own school in Athens and contributed to Platonism. Finally, it mentions that Buddha, born in 563 BC in Nepal, was a spiritual teacher who founded Buddhism after abandoning spiritual asceticism and achieving enlightenment.