Assessment. He is a past member of the Board of Scientific Counselors of the National Toxicology Program (NTP), currently serves on the NTP Center for the Evaluation of Risks to Human Reproduction expert panel that is evaluating di-(2-ethlyhexyl)phthalate, and was chair of the National Institutes of Health Center for Scientific Review Special Emphasis Panel, Fetal Basis of Adult Disease: Role of the Environment. Dr. Boekelheide received his M.D. and Ph.D. in pathology from Duke University and is board certified in anatomic and clinical pathology.

BARBARA FARISHIAN is a practicing dentist in Washington, DC, and is on the faculty of the University of Maryland Dental School. She is a fellow of the Academy of General Dentistry, past president of the Capitol Academy of Dentistry, and a member of the Board of Directors of the District of Columbia Dental Society, an affiliate of the American Dental Association. Before attending dental school, Dr. Farishian was a toxicologist at the U.S. Environmental Protection Agency and was on the biomedical research staff of the Wistar Institute of the University of Pennsylvania. She received her D.D.S. from the Georgetown University Dental School.

ROBERT L. ISAACSON is a distinguished professor of psychology at Binghamton University. His research interests are in behavioral neuroscience, particularly the study of recovery from brain damage, functions of the limbic system, mechanisms responsible for neuronal cell death, and the neurotoxic effects of certain fluoride complexes. He is a past president of the International Behavioral Neuroscience Society and is a recipient of the Society’s Lifetime Achievement Award. He serves on a number of editorial boards, including that of Brain Research. He has received fellow status in several scientific societies. He has served as chairperson and member of several committees of the Society for Neuroscience. In the past he has served as a member of grant review panels for the National Institutes of Health, the National Institute of Mental Health, and the National Science Foundation. He received his Ph.D. from the University of Michigan.

JUDITH B. KLOTZ is an adjunct associate professor at the University of Medicine and Dentistry of New Jersey School of Public Health. Previously, she was program manager of the cancer surveillance and environmental epidemiology programs at the New Jersey Department of Health and Senior Services. Her research interests are in epidemiological studies of cancer incidence and reproductive outcomes, gene-environment interactions, evaluation of biological exposures to environmental contaminants, and the application of health risk assessment and epidemiology to public policy. She received her M.S. in genetics from the University of Michigan and her