The Origins of Plant Disease Research in the United States Department of Agriculture. Clay S. Griffith, Research Assistant, Paul D. Peterson, Jr., Project Historian, and C. Lee Campbell, Professor, Department of Plant Pathology, North Carolina State University, Raleigh 27695-7616. Plant Dis. 78:318-321. Copyright 1994 American Phytopathological Society. DOI: 10.1094/PD-78-318.