Carroll Pursell is Adeline Barry Davee Distinguished Professor of History Emeritus at Case Western Reserve University, and Adjunct professor of Modern History at Macquarie University in Sydney, Australia. He is the author of White Heat: People and Technology (1994) and The Machine in America: A Social History of Technology (2nd edition, 2007), and the editor of Technology in America: A History of Individuals and Ideas (2nd edition, 1990) and American Technology (Blackwell, 2000).