Founder of Atlantic Richfield Oil Co. and former CEO of ARCO who helped the oil company become one of the largest in the United States.
He and his brothers bought their first oil refinery in 1941.
He contributed millions to Harper's Magazine, The Observer, and the Los Angeles County Museum of Art as a philanthropist.
He and his wife Barbara Phelps had seven children: Katherine, Maria, Julia, Beverly, Barbara, Phelps, and Robert.
He was one of the 20th century's most successful oil entrepreneurs, much like Max Fisher.