The advances in molecular biology and genetics, medicine and neurosciences, in ethology and environmental studies have put the concept of the person firmly on the philosophical agenda. Whereas earlier times seemed to have a clear understanding about the moral implications of personhood and its boundaries, today there is little consensus on such matters. Whether a patient in the last stages of Alzheimer's disease is still a person, or whether a human embryo is already a person are highly contentious issues. This book tackles the issue of personhood and its moral implications head-on. The...