Socrates, Greek philosopher whose way of life, character, and thought exerted a profound influence on ancient and modern philosophy.| Encyclopedia Britannica
Aristotle, ancient Greek philosopher and scientist who was one of the greatest intellectual figures of Western history.| Encyclopedia Britannica
Western philosophy encompasses the history of philosophy in the West from its development among the ancient Greeks of Classical antiquity to the present.| Encyclopedia Britannica
Ethics, the philosophical discipline concerned with what is morally good and bad and morally right and wrong. Its subject consists of fundamental issues of practical decision making, and its major concerns include the nature of ultimate value and the standards by which human actions can be morally evaluated.| Encyclopedia Britannica
Plato was an ancient Greek philosopher who produced works of unparalleled influence.| Encyclopedia Britannica