Thomas P. Hughes is Professor Emeritus in the Department of the History and Sociology of Science at the University of Pennsylvania and Distinguished Visiting Professor at the Massachusetts Institute of Technology. The recipient of a Guggenheim fellowship and a member of the American Philosophical Society and the American Academy of Arts and Sciences, Hughes has honorary doctorates from Northwestern University and the Swedish Royal Institute of Technology. A member of the Swedish Royal Academy of Engineering Sciences and the U.S. National Academy of Engineering, he is the editor of seven books and author of four including American Genesis A Century of Invention and Technological Enthusiasm, 1870-1970, a finalist for the Pulitzer Prize