Marvin Trachtenberg is Edith Kitzmiller Professor of the History of Fine Arts at the Institute of Fine Art, New York University. A recipient of fellowships from the Kress Foundation, the National Endowment for the Humanities, the Guggenheim Foundation, and Villa I Tatti, he is the author of The Campanile of Florence Cathedral,'Giotto's Tower', and coauthor of Architecture from Prehistory to Postmodernism.