David A. Hamburg, M.D., is DeWitt Wallace Distinguished Scholar at Weill Cornell Medical College. He was President of the Carnegie Corporation of New York from 1982 to 1997. He has been Professor at Stanford University and Harvard University, President of the Institute of Medicine, National Academy of Sciences, and President of the American Association for the Advancement of Science. Among his many publications are Today's Children (1992), No More Killing Fields (2002), and Learning to Live Together (2004). Dr. Hamburg was a member of President Clinton's Defense Policy Board and the President's Committee of Advisors on Science and Technology. He was the founder of the Carnegie Commission on Science, Technology, and Government. He cochaired with former Secretary of State Cyrus Vance the Carnegie Commission on Preventing Deadly Conflict. He is currently chairing two distinguished parallel committees at the United Nations and European Union on the prevention of genocide, reporting to Kofi Annan, Ban Ki-moon, and Javier Solana. Dr. Hamburg's many honors include the National Academy of Sciences Public Welfare Medal (its highest award) and the Presidential Medal of Freedom (the highest civilian award of the United States).