John Dewey (20 October 1859 - 1 June 1952) was an American philosopher, psychologist, and educational reformer, widely regarded as one of the founders of the philosophical movement known as pragmatism and as a central figure in early-20th-century American progressive education. He taught at the University of Michigan, the University of Chicago, and Columbia University, and wrote extensively on logic, ethics, aesthetics, political theory, and the philosophy of education. Dewey's thought is associated with instrumentalism-a variant of pragmatism holding that ideas and concepts are tools for solving problems rather than fixed representations of reality-and with a participatory, experimentalist conception of Democracy that extended beyond formal political institutions into schools, workplaces, and communities. Interpretations of the practical implications of his philosophy, particularly for education policy and political theory, remain contested; see john-dewey-viewpoint below.
Dewey's influence is most visible today in three areas: philosophy of education, pragmatist philosophy, and democratic theory. In education, his ideas are frequently invoked in debates over child-centered versus subject-centered instruction, the role of experience and inquiry in learning, and the purposes of schooling in a democratic society. Scholars dispute the degree to which Dewey himself endorsed the looser, child-directed practices later associated with “progressive education,” with some arguing that subsequent popularizers diverged from his actual writings, which emphasized structured, teacher-guided inquiry alongside student interest. In philosophy, Dewey's instrumentalism and his critique of the “spectator theory of knowledge” remain reference points in debates between pragmatist and analytic or foundationalist epistemologies. In political theory, his vision of participatory democracy as a mode of associated living, rather than merely a system of voting and representation, continues to inform debates over deliberative democracy and civic participation. A fuller account of his life and intellectual development appears at john-dewey-history.