Kate Ascher is the Milstein Professor of Urban Development at the Graduate School of Architecture, Planning and Preservation at Columbia University and a principal at BuroHappold. She is the author of The Works: Anatomy of a City, The Heights: Anatomy of a Skyscraper, and The Way to Go: Moving by Sea, Land, and Air.
Thomas Mellins has curated numerous exhibitions on architecture nationwide and coauthored New York 1880: Architecture and Urbanism in the Gilded Age, New York 1930: Architecture and Urbanism Between the Two World Wars, and New York 1960: Architecture and Urbanism Between the Second War World and the Bicentennial.