Written by Michael Palmer. Palmer explains the basic philosophical arguments behind Atheism.

Lars Noah is a law professor at the Fred G. Levin College of Law of the University of Florida in Gainesville and author of Law, Medicine and Medical Technology: Cases and Materials, 2nd ed. (Foundation Press, 2006).

Lewis Grossman is a professor at Washington College of Law at American University in Washington, D.C., and co-author of Food and Drug Law: Cases and Materials, 3rd ed. (Foundation Press, 2007). His interests include civil procedure, food and drug law and legal history. He is of counsel at the law firm of Covington & Burling.

Frances Miller is a professor of law emerita at Boston University School of Law. Her interests include health law, food and drug law, biotechnology and genetics, comparative health systems, competition vs. regulation in health care and trusts and estates.

Mary Ann Chirba is a professor of legal reasoning, research & writing at the Boston College Law School in Newton, Mass.

Leon J. Podles, who lives in Baltimore and in Naples, Fla., wrote The Church Impotent: The Feminization of Christianity (Spence, 1999).

Marcia Y. Riggs is J. Erskine Love Professor of Christian Ethics at Columbia Theological Seminary in Decatur, Ga. She wrote Plenty Good Room: Women Versus Male Power in the Black Church (Pilgrim Press, 2003).

U.S. Food and Drug Administration (FDA) resource about the development and approval of new drugs.

Sally Moran of Charleston, S.C., is the author of a 2004 print-on-demand book, Women of the Covenant: The Case for Female Roman Catholic Priests.