Spiro Kostof (1936-1991) was Professor of Architectural History at the University of California, Berkeley. "Among his books are A History of Architecture: Settings and Rituals, second edition" (1995) and "The City Shaped: Urban Patterns and Meanings through History" (1993). Dana Cuff is Professor of Architecture and Urban Design at the University of California, Los Angeles, and author of "Architecture: The Story of Practice" (1991) and "The Provisional City" (2000).