Markus Wolfensberger is Emeritus Professor of Otorhinolaryngology at the Universität Basel, Switzerland. Until his retirement in 2010, he was Head of the Department of Otorhinolaryngology, Head and Neck Surgery as well as Director of the Head Neck Tumour Centre at the University Hospital of Basle. He also holds a doctorate in medical ethics and was, for many years, chair of the Clinical Ethics Advisory Board at the University Hospital of Basle. His particular interest, both as a surgeon and as a researcher, was in cancer of the head and neck. As a clinical ethicist one of his major interests was in preventing unnecessary and over-aggressive treatment. Anthony Wrigley is Professor of Ethics at the Centre for Professional Ethics (PEAK), School of Law, Keele University. He is a philosopher with a special interest in issues in biomedical ethics. His particular area of interest is the analysis of key concepts in bioethics, including vulnerability, hope, harm, personhood, mental illness, consent for others, moral authority, and the nature of moral expertise. His work includes contribution to the European Textbook on Ethics in Research (with Jonathan Hughes et al., 2010), Ethics, Law and Society: Volume V: Ethics of Care, Theorising the Ethical, and Body Politics (edited with Nicky Priaulx, 2013), and Loss, Dying and Bereavement in the Criminal Justice System (edited with Sue Read and Sotirios Santatzoglou, 2018).