Luigi Nessi is an architect specializing in material culture. His collections have been displayed at the Castello Sforzesco in Milan and the Museum der Kulturen in Basel. Alessandro Cesati is an architect and art dealer. He is the author of "Clavis, Chiavi, serrature, forzieri dalla collezione Conforti" and "Fire-Steels," He is a former cocurator of the Milan exhibit of the Nessi collection. Richard J. Wattenmaker is the director of the Smithsonian Institution's archives of American art. He is the author of "Maurice Prendergast," He lives in Washington, D.C. Peter Plassmayer is the curator and...