Andrew Linzey is a lecturer in theology at the University of Oxford in Oxford, England . He has written widely on animals and Christianity, including a series of liturgies for animals.

Calvin DeWitt is a professor at the Nelson Institute for Environmental Studies at the University of Wisconsin-Madison. He is concerned with the ethics of farming and uses of the natural environment, including animals. He is co-founder of the International Evangelical Environmental Network.

Regis John Armstrong is a professor of historical theology and spirituality at Catholic University of America in Washington, D.C. A Capuchin Friar Minor, he is an expert on St. Francis of Assisi.

Eric Reinders is an associate professor of religion at Emory University in Atlanta. He has written about Buddhist attitudes toward animals.

Kerry Walters is a philosophy professor at Gettysburg College in Gettysburg, Pa. With Lisa Portmess, she co-authored two books, one about the history of religious vegetarianism and the other on the history of ethical vegetarianism.

Lisa Portmess is a philosophy professor at Gettysburg College in Gettysburg, Pa. With Kerry Walters, she co-authored two books, one about the history of religious vegetarianism and the other on the history of ethical vegetarianism.

Bernard Unti is senior policy adviser and special assistant to the president of the Humane Society of the United States. He holds a doctorate in U.S. history and is the author of Protecting All Animals: A Fifty-Year History of the Humane Society of the United States.

Gary L. Francione is a professor of law and philosophy at Rutgers University in Newark, N.J., where he is an expert in animal rights and teaches a seminar on the subject. He was the first academic to teach animal rights theory in an American law school. His books include Rain Without Thunder: The Ideology of the Animal […]

David Ellwood, Scott M. Black Professor of Political Economy at Harvard University and dean of the John F. Kennedy School of Government, is a noted expert on poverty and welfare. He is an author who co-chaired President Clinton’s Working Group on Welfare Reform, Family Support and Independence.