Roderick Milton Chisholm was an American philosopher known for his work on epistemology, metaphysics, free will, value theory, and the philosophy of perception. He was often called "the philosopher's philosopher. Chisholm graduated from Brown University in 1938 and received his Ph.D. at Harvard University in 1942 under Clarence Irving Lewis and Donald C. Williams. He was drafted into the United States Army in July 1942 and did basic training at Fort McClellan in Alabama. Chisholm administered psychological tests in Boston and New Haven. In 1943 he married Eleanor Parker, whom he had met as an undergraduate at Brown. He spent his academic career at Brown University and served as president of the Metaphysical Society of America in 1973. Chisholm trained many distinguished philosophers, including Selmer Bringsjord, Fred Feldman, Keith Lehrer, James Francis Ross, Richard Taylor, and Dean Zimmerman. He also had a significant influence on many colleagues, including Jaegwon Kim and Ernest Sosa.