Student, King's College School, London, 1934—1937. Student, Chelsea College, London, 1938—1939.
Founder, director Challis Galleries, Laguna Beach, California, since 1950, Challis Galleries Records Archived: American Art Smithsonian Institute, Washington. Fund raiser, auctioneer California Charities Incl. Children's Home Society, Newport Beach, 1960—1984, Southern Coast Medical Center, 1960—1984, KCET, Los Angeles, 1960—1984, Public Broadcasting Service Art Auction, 1960—1984.
Art director Los Angeles Home Show, 1965—1967. Television host Irvine Company How Collect Art, 1973. Director, president Adele Bednarz Galleries, Los Angeles, 1976—1977.
Member Art Dealers' Associate South Carolina. Consultant Esther Wells Collection, since 1983. Lecturer on fine art University California, Irvine, and Orange County Department Education.
Moderator Ruth Stover Fleming Collection, Newport Beach, California. Coordinator Roger Kuntz Retrospective, Laguna Beach.
Member of Orange County Museum Art, Laguna Beach Festival Art, Laguna Museum Art (life).