Peter Singer is the Ira W. DeCamp Professor of Bioethics in the University Center for Human Values at Princeton University. He first became well-known internationally after the publication of Animal Liberation (1975). His other books include: Democracy and Disobedience (1973); Practical Ethics (1979, 3rd. ed. 2011); The Expanding Circle (1981, new ed 2011); Marx (1980); Hegel (1983); The Reproduction Revolution (1984) (co-authored with Deane Wells); Should the Baby Live? (1986) (co-authored with Helga Kuhse); How Are We to Live? (1995); Rethinking Life and Death (1996); One World (2002; revised edition One World Now, 2016); Pushing Time Away (2003); The President of Good and Evil (2004); The Ethics of What We Eat (2006) (co-authored with Jim Mason); The Life You Can Save (2009); The Point of View of the Universe (2014) co-authored with Katarzyna de Lazari-Radek; The Most Good You Can Do (2015); Ethics in the Real World (2016); and Utilitarianism: A Very Short Introduction, co-authored by Katarzyna de Lazari-Radek. Singer holds his appointment at the Center jointly with his appointment as Laureate Professor at the University of Melbourne, attached to the School of Historical and Philosophical Studies. Singer was made a Companion of the Order of Australia (AC) in 2012. He is the founder and board chair of The Life You Can Save, a nonprofit that fights extreme poverty.