Arthur Schopenhauer (1788—1860)

Arthur Schopenhauer has been dubbed the artist’s philosopher on account of the inspiration his aesthetics has provided to artists of all stripes. He is also known as the philosopher of pessimism, as he articulated a worldview that challenges the value of existence. His elegant and muscular prose earns him a reputation as one of the …

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Ludwig Wittgenstein (1889—1951)

Ludwig Wittgenstein is one of the most influential philosophers of the twentieth century and is regarded by some as the most important since Immanuel Kant. His early work was influenced by that of Arthur Schopenhauer and, especially, by his teacher Bertrand Russell and by Gottlob Frege, who became something of a friend. This work culminated in the Tractatus Logico-Philosophicus, the only philosophy …

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Thomas Jefferson: Political Philosophy

In his First Inaugural Address (1801), Jefferson lists the “essential principles of our Government” in 15 doctrines—perhaps his first attempt at a definition of republicanism ([I1]: 494–95). Equal and exact justice to all men, irrespective of political or religious persuasion; peace, commerce, and honest friendship with all nations, without entangling alliances to any; Federal support …

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Leo Strauss

Leo Strauss was a twentieth-century German Jewish émigré to the United States whose intellectual corpus spans ancient, medieval, and modern political philosophy and includes, among others, studies of Plato, Maimonides, Machiavelli, Hobbes, Spinoza, and Nietzsche. Strauss wrote mainly as a historian of philosophy and most of his writings take the form of commentaries on important …

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John Rowls (1921 – 2002)

John Rawls was arguably the most important political philosopher of the twentieth century. He wrote a series of highly influential articles in the 1950s and ’60s that helped refocus Anglo-American moral and political philosophy on substantive problems about what we ought to do. His first book, A Theory of Justice [TJ] (1971), revitalized the social-contract tradition, using …

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John Rowls

John Rawls (b. 1921, d. 2002) was an American political philosopher in the liberal tradition. His theory of justice as fairness describes a society of free citizens holding equal basic rights and cooperating within an egalitarian economic system. His theory of political liberalism explores the legitimate use of political power in a democracy and envisions how civic unity might …

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James Mill

James Mill (1773–1836) was a Scots-born political philosopher, historian, psychologist, educational theorist, economist, and legal, political, and penal reformer. Well-known and highly regarded in his day, he is now all but forgotten. Mill’s reputation now rests mainly on two biographical facts. The first is that his first-born son was John Stuart Mill, who became even …

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Robert Nozick’s Political Philosophy

Robert Nozick (1938–2002) was a renowned American philosopher who first came to be widely known through his 1974 book, Anarchy, State, and Utopia (1974),[1] which won the National Book Award for Philosophy and Religion in 1975. Pressing further the anti-consequentialist aspects of John Rawls’ A Theory of Justice, Nozick argued that respect for individual rights is the key standard …

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Robert Nozik: Philosopher of Liberty

In 1974 libertarian ideas had virtually no presence within the academic establishment. Free-market economists F. A. Hayek and Milton Friedman had not yet won their Nobel prizes (Hayek’s would come later that year and Friedman’s two years after that), and the reigning political philosopher was Nozick’s own colleague John Rawls, whose monumental treatise, A Theory of …

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Herbert Spencer

Herbert Spencer (1820–1903) is typical, though quite wrongly, considered a coarse social Darwinist. After all, Spencer, and not Darwin, coined the infamous expression “survival of the fittest”, leading G. E. Moore to conclude erroneously in Principia Ethica (1903) that Spencer committed the naturalistic fallacy. According to Moore, Spencer’s practical reasoning was deeply flawed insofar as he purportedly …

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