The Authors: John Rae was Professor of History at Harvey Mudd College at the Claremont Colleges. The recipient of the Society for the History of Technology’s highest honor, the Leonardo da Vinci Medal, his publications include The American Automobile; The Road and Car in American Life; American Automobile Manufacturers; Climb to Greatness; and The American Automobile Industry. Rudi Volti is Professor of Sociology at Pitzer College in Claremont, California, and a member of the Science, Technology, and Society faculty of the Claremont Colleges. His publications include Technology, Politics, and Society in China; Society and Technological Change; and The Facts on File Encyclopedia of Science, Technology, and Society, as well as numerous articles on the social dimensions of technology and technological change.