ematics, and technology. She also works with the D.C. public school system to assist teachers in obtaining the necessary supplies for teaching science and biotechnology. Horn is an instructor in the academy’s First Light Saturday science program for middle school students in D.C. public and charter schools.

Prior to joining Carnegie, Horn taught at the Thomas Jefferson High School for Science and Technology in Fairfax County, Va., and established one of the first precollege biotechnology programs there. She also served for two years as outreach coordinator for the Fralin Biotechnology Center at Virginia Polytechnic Institute and State University.

Horn was the 2006 president of the National Association of Biology Teachers. As a staff fellow at the National Cancer Institute, she studied DNA sequences thought to be associated with breast cancer.

Nancy A. Moran (NAS) is Regents’ professor of ecology and evolutionary biology at the University of Arizona. She is active in interdisciplinary graduate training in evolutionary genomics and has taught evolutionary biology and genomics at the undergraduate, graduate, and high school levels. Her research focuses on the role of symbiotic interactions in ecology and evolution and involves fundamental evolutionary forces, such as mutation, gene transfer, natural selection, and ecological diversification. Using approaches from molecular evolution, systematics, genomics, and population genetics, she works extensively with both bacteria and insects and their ecological interactions. Her work has shown that many groups of insects have coevolved with bacterial symbionts for millions of years, that these symbionts supply nutrients to their hosts, allowing diversification into new ecological niches, and that the symbionts have undergone extensive genome reduction through loss of most ancestral genes. Most of her work is on groups of insects, such as aphids, that are major agricultural pests.

Moran has served as president of the Society for the Study of Evolution and as vice president of the American Society of Naturalists. She is a fellow of the American Academy of Microbiology and a recipient of a MacArthur Foundation fellowship.

Gilbert S. Omenn (IOM) is professor of internal medicine, human genetics, and public health and director of the Center for Computational Medicine and Biology at the University of Michigan. He is principal investigator of the Michigan Proteomics Alliance for Cancer Research and leader of the international Human Proteome Organization’s Human Plasma Proteome Project.

His research interests include cancer proteomics, chemoprevention of cancers, public health genetics, science-based risk analysis, and health policy. He was principal investigator of the beta-Carotene and Retinol Efficacy Trial (CARET) of preventive agents against lung cancer and heart disease, director of the Center for Health Promotion in Older Adults, and creator of a university-wide initiative on Public Health Genetics in Ethical, Legal, and Policy Context while at the University of Washington and Fred Hutchinson Cancer Research Center. He is a longtime director of Amgen Inc. and of Rohm & Haas Company. He was president of the American Association for the Advancement of Science in 2005–2006.

He is a member of the American Academy of Arts and Sciences, the Association of American Physicians, and the American College of Physicians. He chaired the presidential/congressional Commission on Risk Assessment and Risk Management, served on the National Commission on the Environment, and chaired the National Academies’ Committee on Science, Engineering, and Public Policy.

Robert T. Pennock is professor of history and philosophy of science at Michigan State University, where he is on the faculty of the Lyman Briggs College of Science, the Philosophy Department, and the Department of Computer Science, as well as the Center for Ethics and Humanities in the Life Sciences and the Ecology, Evolutionary Biology, and Behavior graduate program. His research interests include the philosophy of biology and the relationship of epistemic and ethical values in science.

Pennock is the author of Tower of Babel: The Evidence Against the New Creationism and Intelligent Design Creationism and Its Critics: Philosophical, Theological, and Scientific Perspectives. He testified in the case on the teaching of intelligent design creationism, Kitzmiller v. Dover Area School District.

Pennock has received fellowships from the Mellon Foundation, the National Endowment for the Humanities, and the National Science Foundation. He is a fellow of the American Association for the Advancement of Science and serves on its Committee on the Public Understanding of Science, as well as the American Philosophical Association’s Committee on Public Philosophy. He is chair of the education committee of the Society for the Study of Evolution and is currently working on a book examining how Darwinian evolution, as an abstract theoretical model, can be applied practically beyond biology.

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