Richard Miller is a common name that may refer to various individuals across different fields. One notable Richard Miller is an American painter known for his contributions to the art world, particularly in the realm of contemporary art. His works often explore themes of identity and perception, utilizing vibrant colors and dynamic compositions. Another Richard Miller is a prominent figure in the field of psychology, recognized for his research on cognitive development and learning processes. His studies have significantly influenced educational practices and understanding of how people learn, making him a respected name in the academic community.