Crispin Sartwell is an American philosopher known for his research in moral philosophy, political philosophy, and philosophy of language. His works cover a wide range of topics, including liberalism, authoritarianism, moral judgment, and the nature of language. Born in 1958, Sartwell has held teaching positions at several universities in the United States, including Georgetown University and the College of William & Mary. His academic career has resulted in numerous publications and books, among which are 'Liberalism and Authoritarianism' and 'Moral Judgment'. His ideas have had a profound impact on contemporary philosophy, particularly in the fields of moral and political philosophy.