Thomas Leslie is the Morrill Pickard Chilton Professor in Architecture at Iowa State University, where he researches the integration of building sciences and arts both historically and in contemporary practice. He is the author of Louis I. Kahn: Building Art, Building Science (2005), Chicago Skyscrapers, 1871-1934 (2013) and, with Jason Alread and Robert Whitehead, Design-Tech: Building Science for Architects (2014).