The document provides an overview of three major figures in ancient philosophy: Socrates, Plato, and Aristotle. It summarizes that Socrates used the Socratic method of questioning to seek truth. Plato was a student of Socrates and founded the Academy, believing in forms/ideas and that the intellect should control passions. Aristotle was a student of Plato and made contributions to logic, causation, and virtue ethics as a mean between extremes aimed at eudaimonia or happiness.