1. Paul L. Benson joined the Nelson-Atkins Museum of Art Kansas City, Missouri, in 1992 and is currently associate conservator of objects. He received a BS in geology from Kent State University in 1972 and a BSc (Hons) from the Institute of Archaeology, University College, London in 1991. Address: Nelson-Atkins Museum of Art, 4525 Oak Street, Kansas City, MO 64111, USA.