College and CUNY Graduate Center. David Rosner is Professor of History and Public Health at Columbia University and Co-Director of the Program in the History of Public Health and Medicine. Their earlier publications include Deadly Dust: Silicosis and the Politics ofOccupational Disease in Twentieth-Century America (1994); Slaves of the Depression: Workers' Letters about Life onthe Job (1987); and Dying for Work: Workers' Safety andHealth in Twentieth Century America (1989).