Peter Singer (Author) Peter Singer has been called the most influential philosopher alive. He is professor of bioethics at Princeton University and has published numerous books, including The Life You Can Save (2009), The Most Good You Can Do (2015) and Ethics in the Real World (2016). He became well known internationally after the publication of Animal Liberation in 1975 and has been a leading thinker and campaigner in the field of animal rights ever since. Animal Liberation was included in TIME Magazine's list of 100 Best Nonfiction Books published since 1923. In 2012 Singer was made a Companion of the Order of Australia, his country's highest civilian honour, and in 2021 he was awarded the Berggruen Prize for Philosophy and Culture. Jim Mason (Author) Peter Singer has published over 30 books including Writings on an Ethical Life, Animal Liberation, and most recently, The President of Good and Evil. Singer is currently the Ira W. DeCamp Professor of Bioethics at Princeton University's Center for Human Values. He lives in New York City. Jim Mason is an author, speaker, journalist, environmentalist and attorney. He is the author of many books including Animal Factories, co-written with Peter Singer. His writing has appeared in a variety of publications including the New York Times, the New Scientist and Audubon.