Nathan Glazer is an emeritus professor of sociology and education at Harvard University. He is the author or editor of many books on public policy and urban problems, among them The Public Face of Architecture and From a Cause to a Style: Modernist Architecture's Encounter with the American City. Cynthia R. Field is the architectural historian emerita at the Smithsonian Institution and a faculty member at the Corcoran College of Art. She is the coauthor of The Castle: An Illustrated History of the Smithsonian Building.