PETER SINGER is Ira W. DeCamp Professor of Bioethics at the University Center for Human Values, Princeton University and Laureate Professor in the School of Historical and Philosophical Studies at the University of Melbourne. He is the author of Animal Liberation, first published in 1975, and is widely credited with triggering the modern animal rights movement. The success of his 2009 book The Life You Can Save led him to found the organization of the same name, which researches and recommends the most effective organizations working to reduce global poverty. In 2012 Singer was made a Companion of the Order of Australia, the nation's highest civilian honor.