Lee M. Silver, Ph.D., is Professor of Molecular Biology and Public Affairs at Princeton University, working in the Department of Molecular Biology as well as the Woodrow Wilson School of Public and International Affairs. Dr. Silver also has faculty appointments in the Program in Neuroscience and the Office of Population Research. In 1993, he was elected a Fellow of the American Association for the Advancement of Science, and in 1995 he received a 10-year National Institutes of Health MERIT award. Dr. Silver is coeditor-in-chief of Mammalian Genome, the official journal of the International Mammalian Genome Society, and an elected member of the governing boards of the Genetics Society of America and the International Mammalian Genome Society. He is the author of Remaking Eden: How Genetic Engineering and Cloning Will Transform the American Family (New York: Avon Books, 1998), published in 15 languages. Dr. Silver has also authored a graduate-level textbook, Mouse Genetics: Concepts and Applications (New York: Oxford University Press, 1995), and he is the coauthor with Leroy Hood, Leland Hartwell, and others of a new undergraduate textbook entitled Genetics: From Genes to Genomes (New York: McGraw-Hill, 1999). Through his writing, lecturing, and teaching, Dr. Silver continues to focus his efforts first on demystifying the science and technology of genetics and human reproduction and second on challenging commonly held ethical viewpoints in these areas.