gene-environment interaction and childhood cancer, lung cancer, leukemia, brain cancer, and breast cancer; epidemiologic research methods; and the uses of epidemiologic data in health policy. She has served on numerous NRC committees including the Committee on Health Effects Associated with Exposure During the Persian Gulf War; Committee to Review the Hanford Thyroid Disease Study Final Results and Report; Committee on Environmental Justice: Research, Education, and Health Policy Needs; National Forum on Science and Technology Goals: Environment; HHMI Predoctoral Fellowships Panel on Epidemiology and Biostatistics; Steering Committee on Valuing Health Risks, Benefits, and Costs for Environmental Decisions; Committee on Chemical Toxicity and Aging; Committee on Passive Smoking; Committee on Non-Occupational Health Risks of Asbestiform Fibers; and Committee on Priority Mechanisms for Research Agents Potentially Hazardous to Human Health. She currently serves on the Committee on Health Risks from Exposure to Low Levels of Ionizing Radiation (BEIR VII Phase 2). Dr. Buffler was elected to the Institute of Medicine in 1994.

LINDA C. FENTIMAN is professor of law at Pace University. She earned a J.D. from the State University of New York (SUNY) Buffalo School of Law and an L.L.M. from Harvard University School of Law. Ms. Fentiman has practiced and taught criminal law, environmental law, and health law, concentrating on bioethics, health care access, public health law, and mental disability law, including the insanity defense and competency to stand trial. She has chaired the Health Law Committee of the Association of the Bar of the City of New York and the Section on Mental Disability and the Law of the Association of American Law Schools, and is a member of the Health Law Section of the New York State Bar.

WILLIAM F. GREENLEE is president of CIIT Centers for Health Research. He received a Ph.D. in pharmacology from the University of Rochester. His research interests include the toxicity and carcinogenicity of polybrominated biphenyls and related compounds, neurotoxicity risk assessment, molecular toxicology, and the molecular basis of dioxin toxicity to human keratinocytes. Dr. Greenlee is the current president of the Society for Toxicology.

ROBERT J. GRIFFIN is professor and director of the Center for Mass Media Research at Marquette University. He earned a Ph.D. in mass communication from the University of Wisconsin-Madison. His interests include environmental issues, health, science, risk communication, and new tech-