MacIntyre, Alasdair C. (ălˈəstər măkˈĭntĪrˌ) [key], 1929–, American philosopher. He teaches at the Univ. of Notre Dame in Indiana. His major contributions have come in ethics. In his highly influential book After Virtue (1981), MacIntyre argues that moral theory and practice are currently in a state of grave disorder, brought on in part by the liberal individualism of the Enlightenment. He holds that people can best remedy this disorder by reviving the Aristotelian tradition of virtue ethics. His other works include A Short History of Ethics (1965) and Whose Justice? Which Rationality (1988).
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