Carol Willis and Donald Friedman, authors of Building the Empire State, presented the design and construction of New York’s signature skyscraper.
Carol Willis is the founder and director of the Skyscraper Museum and a professor of Urban Studies at Columbia University’s Graduate School of Architecture, Preservation and Planning. She is also the author of Form Follows Finance.
Donald Friedman, a structural engineer, is the president of Old Structures Engineering and lives in New York City. He is the author of Historical Building Construction; After 9-11: An Engineers Work at the World Trade Center; and The Investigation of Buildings; The Design of Renovations, with Nathaniel Oppenheimer.