John Dewey was an American philosopher, psychologist, and educational reformer whose ideas have been influential in education and social reform. Dewey is one of the primary figures associated with the philosophy of pragmatism and is considered one of the fathers of functional psychology. A Review of General Psychology survey, published in 2002, ranked Dewey as the 93rd most cited psychologist of the 20th century. A well-known public intellectual, he was also a major voice of progressive education and liberalism. Although Dewey is known best for his publications about education, he also wrote about many other topics, including epistemology, metaphysics, aesthetics, art, logic, social theory, and ethics. He was a major educational reformer for the 20th century.