The famous Greek philosopher who taught the art of rhetoric was Aristotle. A student of Plato, Aristotle made significant contributions across various disciplines, including rhetoric, where he analyzed the art of persuasion in his work "Rhetoric." He identified the three modes of persuasion: ethos (credibility), pathos (emotional appeal), and logos (logical argument), providing a foundational framework for effective communication. Aristotle's teachings on rhetoric influenced not only philosophical thought but also education, politics, and law, emphasizing the importance of persuasive communication in societal discourse. His works remain influential in contemporary studies of argumentation, public speaking, and critical thinking.