Peter Singer Under Fire: The Moral Iconoclast Faces His CriticsOne of the leading ethical thinkers of the modern age, Peter Singer has repeatedly been embroiled in controversy. Protesters in Germany closed down his lectures, mistakenly thinking he was advocating Nazi views on eugenics. Conservative publisher Steve Forbes withdrew generous donations to Princeton after Singer was appointed professor of bioethics. His belief that infanticide is sometimes morally justified has appalled people from all walks of life.