Author name: Editor

Ludwig Wittgenstein, in full Ludwig Josef Johann Wittgenstein, (born April 26, 1889, Vienna, Austria-Hungary [now in Austria]—died April 29, 1951, Cambridge, Cambridgeshire, England), Austrian-born British philosopher, regarded by many as the greatest philosopher of the 20th century. Wittgenstein’s two major works, Logisch-philosophische Abhandlung (1921; Tractatus Logico-Philosophicus, 1922) and Philosophische Untersuchungen (published posthumously in 1953; Philosophical …

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René Descartes, (born March 31, 1596, La Haye, Touraine, France—died February 11, 1650, Stockholm, Sweden), French mathematician, scientist, and philosopher. Because he was one of the first to abandon Scholastic Aristotelianism, because he formulated the first modern version of mind-body dualism, from which stems the mind-body problem, and because he promoted the development of a …

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Danish philosopher Søren Kierkegaard, in full Søren Aabye Kierkegaard, (born May 5, 1813, Copenhagen, Den.—died Nov. 11, 1855, Copenhagen), Danish philosopher, theologian, and cultural critic who was a major influence on existentialism and Protestant theology in the 20th century. He attacked the literary, philosophical, and ecclesiastical establishments of his day for misrepresenting the highest task …

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Chinese Daoist philosopher Laozi, (Chinese: “Master Lao” or “Old Master”) original name (Wade-Giles) Li Er, deified as Lao Jun, Tai Shang Lao-Jun, or Tai Shang Xuanyuan Huangdi, also called Lao Dun or Lao Dan, (flourished 6th century BCE, China), the first philosopher of Chinese Daoism and the alleged author of the Daodejing, a primary Daoist …

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St. Thomas Aquinas, Italian San Tommaso d’Aquino, also called Aquinas, byname Doctor Angelicus (Latin: “Angelic Doctor”), (born 1224/25, Roccasecca, near Aquino, Terra di Lavoro, Kingdom of Sicily [Italy]—died March 7, 1274, Fossanova, near Terracina, Latium, Papal States; canonized July 18, 1323; feast day January 28, formerly March 7), Italian Dominican theologian, the foremost medieval Scholastic. He developed his own conclusions …

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