Norval White is Professor Emeritus, School of Architecture, City College of New York. His architectural designs include the New York City Police Headquarters, among many other buildings. He is the author of The Architecture Book and New York: A Physical History. Elliot Willensky (d. 1990) was Vice Chairman of New York City's Landmarks Preservation Commission and the author of When Brooklyn Was the World. Fran Leadon is a registered architect and teaches at the School of Architecture, City College of New York.