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Protagoras
(Encyclopedia)Protagoras prōtăgˈərəs [key], c.490–c.421 b.c., Greek philosopher of Abdera, one of the more distinguished Sophists. He taught for a time in Athens, where he was a friend of Pericles and knew S...virtue
(Encyclopedia)virtue [Lat.,=manliness], in philosophy, quality of good in human conduct. The cardinal virtues, as presented by Plato, were wisdom (or prudence), courage, temperance, and justice. They are to be inte...Eudoxus of Cnidus
(Encyclopedia)Eudoxus of Cnidus yo͞odŏkˈsəs, nīˈdəs [key], 408?–355? b.c., Greek astronomer, mathematician, and physician. From the accounts of various ancient writers, he appears to have studied with Plat...Gorgias
(Encyclopedia)Gorgias gôrˈjēəs [key], c.485–c.380 b.c., Greek Sophist. From his native city, Leontini, Sicily, he was sent as an ambassador to Athens, where he settled to teach and practice rhetoric. Gorgias ...Brunschvicg, Léon
(Encyclopedia)Brunschvicg, Léon lāôNˈ brünˈshvēk [key], 1869–1944, French philosopher, b. Paris. From 1909 until his death he taught at the Sorbonne. Brunschvicg's philosophy, which has had considerable in...Xenocrates
(Encyclopedia)Xenocrates zĭnŏkˈrətēz [key], 396–314 b.c., Greek philosopher, b. Chalcedon, successor of Speusippus as head of the Academy. He was a disciple of Plato, whom he accompanied to Sicily in 361 b.c...Epicurus
(Encyclopedia)Epicurus ĕpĭkyo͝orˈəs [key], 341–270 b.c., Greek philosopher, b. Samos; son of an Athenian colonist. He claimed to be self-taught, although tradition states that he was schooled in the systems ...Helice
(Encyclopedia)Helice həlēkē [key], ancient city of Achaea, N Peloponnesus, near the mouth of the Selinous River, 20 mi (32 km) E of Pátrai. Noted for its sanctuary of Poseidon, Helice was a seat of the First Ac...Dion of Syracuse
(Encyclopedia)Dion of Syracuse dīˈən [key], 409?–354? b.c., Sicilian Greek political leader, brother-in-law of Dionysius the Elder, tyrant of Syracuse. He became interested in philosophy through his acquaintan...Blondel, Maurice
(Encyclopedia)Blondel, Maurice, 1861–1949, French Catholic philosopher, b. Dijon. He was a professor at the universities of Montauban, Lille, and Aix-Marseille during his influential career. Like his contemporary...Browse by Subject
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