Polar chemist who worked at DuPont in the Central Research Department at the Experimental Station. He is known for his work on molecular orbital computation known as the Pariser–Parr–Pople method.
He attended UC Berkeley and the University of Minnesota.
He studied at the American School in Japan but left before World War II and served in the US Army during the war.
He married Margaret Louise Marsh on July 31, 1972.
He and John Pople both became known for their work on molecular orbitals.