By the late 1960s, Graham had one-man exhibitions of his sculpture at important contemporary art galleries in Palo Alto, Los Angeles, New York City, London, Cologne, and Essen, Germany. He, along with family members Joey and Steven, lived in London for a period before settling in Los Angeles in the early 1970s. His first solo exhibition in a museum was at the Dallas Museum of Art in 1972. Since then he has had dozens of one-man shows, including several at the Los Angeles County Museum of Art.
After 1984, Graham received many other commissions for monumental works, such as The Great Bronze Doors of the Cathedral of Our Lady of the Angels in Los Angeles (2002).Graham died, with his family at his side, 12 days after the ceremony on December 27, 2008.His funeral was held at Cathedral of Our Lady of the Angels, which has bronze doors that Graham created for the cathedral. His remains are interred in the Crypt Mausoleum of the Cathedral of Our Lady of the Angels. Wikipedia