conducted many large-scale evaluations of health education and promotion programs. Dr. Clark has served as president of the Society for Public Health Education, and chair of the Public Health Education Section of the American Public Health Association (APHA). She is a member of the Coordinating Council of the National Asthma Education and Prevention Program. Dr. Clark is a member of the board of directors of the American Lung Association (ALA) and has chaired the ALA Technical Advisory Group on Asthma and Lung Diseases Care and Education Committee. She also serves as the editor of Health Education Quarterly, a preeminent scholarly journal in the field of health education. She has received the Distinguished Fellow Award, the highest honor bestowed by the Society for Public Health Education; the Derryberry Award for outstanding contribution to health education in behavioral science, given by APHA; the Health Education Research Award, conferred by the National Asthma Education Program for leadership and research contributions; and the Distinguished Career Award in Health Education and Promotion, given by APHA. Dr. Clark has extensive international experience and serves as a member of several international nonprofit organizations.

JOHN W. FARQUHAR, M.D., is director of the large, multidisciplinary Stanford Center for Research in Disease Prevention, the C. F. Rehnborg Professor of Disease Prevention in the Stanford University School of Medicine, and professor of medicine and of health research and policy. In 1971, he began the Stanford three-community study, the first controlled, comprehensive, community-based study of chronic disease prevention, followed by the ongoing Stanford five-city project. The research and dissemination methods used in these studies have been disseminated worldwide. Dr. Farquhar has received many honors including the Dana Award for Public Education, the National Cholesterol Award for Public Education, and the Research Achievement Award of the American Heart Association. Most recently he chaired the writing of the 1992 Victoria Declaration, in which international experts formulated 64 policy recommendations for worldwide reduction of cardiovascular disease. He serves as the chair of an international committee to implement the declaration 's policy recommendations.

MARY DES VIGNES-KENDRICK, M.D., M.P.H., is director of the City of Houston Department of Health and Human Services. She completed her medical degree at Meharry Medical College, pediatric residency at Baylor College of Medicine, and master of public health degree at the University of Texas School of Public Health in Houston. She served as instructor and assistant professor in the department of community medicine at Baylor College of Medicine, medical director at Northside Health Center, and assistant director of personal health services at the Houston Department of Health and Human Services. Dr. des Vignes-Kendrick is board-certified in pediatrics. She is involved in public health issues at the local, state, and national levels and is the 1996 president of the National Association of County and City Health Officials.