Rosamond Rhodes, PhD is Director of Bioethics Education and Professor of Medical Education at Mount Sinai School of Medicine. She is also Professor of Philosophy at The Graduate Center, CUNY, and Professor of Bioethics at Union Graduate College. In her philosophical writing she has discussed the work of Hobbes, Aristotle, Kant, and Rawls, and addressed a broad range of topics in bioethics. Margaret Pabst Battin is Distinguished Professor of Philosophy and Adjunct Professor of Internal Medicine, Division of Medical Ethics, at the University of Utah. She has authored, co-authored, edited, or co-edited some twenty books, among them a study of philosophical issues in suicide; a collection on age-rationing of medical care; a text on professional ethics; and a collection of her essays on end-of-life issues, The Least Worst Death. A second collection of her essays (and fiction) on end-of-life issues, entitled Ending Life, was published in spring 2005 by Oxford University Press. She is the lead author of two multiauthored projects, Drugs and Justice: Seeking a Consistent, Coherent, Comprehensive View (Oxford, 2008) and The Patient as Victim and Vector: Ethics and Infectious Disease (Oxford, 2009). She is currently at work on an historical sourcebook on ethical issues in suicide, a book on world population growth and reproductive rights, and several projects on spinal cord injury. Anita Silvers, Professor and Chair of Philosophy at San Francisco State University, is the recipient of the American Philosophical Association's Quinn Prize and the Chair of the APA Committee on Inclusiveness. She has written extensively on issues of medicine and justice for people with disabilities and chronic illnesses, elderly people, neonates, and other especially vulnerable groups. Her philosophical theory of justice is enriched by experience in advocacy and on the ethics committee of a county hospital that serves these populations.