Peter Singer, an Australian philosopher, is the Ira W. DeCamp Professor of Bioethics at Princeton University. He approaches applied ethics from a secular utilitarian perspective. His book, Animal Liberation, (1975), helped to trigger the modern animal rights movement, and his other books include Practical Ethics and The Life You Can Save. In 2012 he was named a Companion of the Order of Australia for his services to philosophy and bioethics. In 2021 Peter won the Berggruen Prize, a US$1-million prize awarded by the Berggruen Institute to individuals in recognition of “major achievements in advancing ideas that shape the world.”