About the Author Jacqueline Karnell Corn is Associate Professor, The Johns Hopkins University School of Hygiene and Public Health, Baltimore, Maryland, and a leading researcher in industrial and environmental health and safety history. In addition to authoring Environment and Health in Nineteenth Century America: Two Case Studies and Protecting People at Work: ACGIH 1938-1988. she has also edited Industrial Hygiene--The Future and Training and Education in Occupational Hygiene: An International Perspective Dr. Corn received her Masters degree from Radcliffe College and her Doctor of Arts in History from Carnegie-Mellon University.