Plato (Greek: Πλάτων), born Aristocles (c. 427 – 348 BC), was an ancient Greek philosopher of the Classical period who is considered a foundational thinker in Western philosophy and an innovator of t…
Thucydides (c. 460 B.C. – c. 400 B.C.) (Greek Θουκυδίδης) was an Athenian historian and general. His History of the Peloponnesian War recounts the fifth-century BC war between Sparta and Athens un…
Friedrich Wilhelm Nietzsche was a German classical scholar, philosopher, and critic of culture, who became one of the most influential of all modern thinkers. He began his career as a classical philol…
Georg Wilhelm Friedrich Hegel (1770-1831) was a German philosopher and one of the founding figures of German Idealism. Influenced by Kant's transcendental idealism and Rousseau's politics, Hegel formu…
Genevan philosopher and writer Jean Jacques Rousseau held that society usually corrupts the essentially good individual; his works include The Social Contract and Émile (both 1762).
Thomas Hobbes was a British philosopher and a seminal thinker of modern political philosophy. His ideas were marked by a mechanistic materialist foundation, a characterization of human nature based on…
Immanuel Kant was an 18th-century philosopher from Königsberg, Prussia (now Kaliningrad, Russia). He's regarded as one of the most influential thinkers of modern Europe & of the late Enlightenment. Hi…
The Prince, book of Niccolò Machiavelli, Italian political theorist, in 1513 describes an indifferent ruler to moral considerations with determination to achieve and to maintain power.
Bertrand Arthur William Russell, 3rd Earl Russell, OM, FRS, was a Welsh philosopher, historian, logician, mathematician, advocate for social reform, pacifist, and prominent rationalist. Although he wa…
John Stuart Mill, English philosopher, political economist, civil servant and Member of Parliament, was an influential liberal thinker of the 19th century. He was an exponent of utilitarianism, an eth…
Philosophy of Saint Thomas Aquinas, a Dominican friar and theologian of Italy and the most influential thinker of the medieval period, combined doctrine of Aristotle and elements of Neoplatonism, a sy…
Early church father and philosopher Saint Augustine served from 396 as the bishop of Hippo in present-day Algeria and through such writings as the autobiographical Confessions in 397 and the volum…
