Bachelor, U. Arizona, 1937; Juris Doctor, U. Missouri, 1939.
Associate, Cowgill & Popham, Kansas City, Missoury, 1939-1940; partner in successive firms to, Popham Law Firm, Professional Corporation, Kansas City, since 1940; also board directors, Popham Law Firm, Professional Corporation, Kansas City.
Collector, planner Natural History Habitat Groups, Kansas City Museum, 1951-1963. President, board directors Kansas City Museum History and Science, 1952-1985. Member American Bar Association, Missouri Bar Association, Kansas City Bar Association, Boone and Crockett Club (v.p 1970-1986) (Missoula, Montana), Shikar Safari International Club, Camp Fire Club of America (Chappaqua, New York), Sigma Nu, Phi Delta Phi.
Married Mary Corzine, July 6, 1939. Children: Carole Popham McKnight, Melinda Popham Benton, Arthur C. III. Married Phoebe T. Kennedy, November 13, 1969.