Some exponents of pragmatism are
Plato, Kant, Hegel
Dewey, William James, S, Kilpatrick
Rousseau, Comenius, Spencer
Aristotle, John Locke, John Friedrich
Schiller
Pragmatism is a philosophical tradition that emphasizes practical consequences and real-world applications. While some of the mentioned philosophers may have ideas that align with certain aspects of pragmatism, it is important to note that pragmatism as a distinct and specific philosophical school originated primarily with thinkers such as Charles Sanders Peirce, William James, and John Dewey.
Plato, Kant, Hegel: These philosophers are not typically considered conventional exponents of pragmatism. Plato emphasized the existence of a separate world of ideal forms, while Kant focused on a priori knowledge and moral duty. Hegel developed a highly comprehensive philosophical system centered on the dialectic.
Dewey, William James, S. Kilpatrick: John Dewey and William James are widely recognized as key figures in pragmatism. They emphasized the significance of experience, inquiry, and practical consequences in shaping our knowledge and beliefs. S. Kilpatrick, on the other hand, was an educational pragmatist who applied the principles of pragmatism to pedagogy.
Rousseau, Comenius, Spencer: While Rousseau and Comenius contributed to educational theory and their ideas had some influence on pragmatism, they are not typically classified as exponents of pragmatism. Herbert Spencer, a British philosopher and social theorist, was more closely associated with evolutionary theory.
Aristotle, John Locke, John Friedrich: Aristotle and John Locke did not directly contribute to the development of pragmatism. Aristotle emphasized the study of nature and logic, while Locke focused on theories of knowledge and individual rights. There is no widely recognized philosopher named John Friedrich associated with pragmatism.