Derek W. Vaillant is an Associate Professor of Communication Studies and History (by courtesy) and faculty associate at the Center for European Studies at the University of Michigan. He holds an M.A. and Ph.D. in history from the University of Chicago, and a B.A. from Yale. He studies the history of international/global media; media, culture, and identity in global contexts; and the social and cultural history of media and technology. He has published numerous articles and book chapters, notably in American Quarterly and Technology and Culture. He has been a Fulbright/CIES Research Scholar and an NEH Summer Fellow. He has twice been an invited scholar in residence at the University of Bordeaux III in France. Vaillant is Preservation Director of the Radio Preservation Task Force under the aegis of the Library of Congress. His media credentials include research and production on award-winning national series for Bill Moyers at PBS and John Hockenberry at NPR. Vaillant’s first book, Sounds of Reform: Progressivism and Music in Chicago, 1873–1935 (UNC Press, 2003), analyzes “musical progressivism”—efforts by activists in late-nineteenth- and early-twentieth-century Chicago to mobilize music in public as an instrument of social change.