David Dion DeGrazia is a philosophy professor at George Washington University in Washington, D.C. He has written about the ethics of animal research and is the author of Animal Rights: A Very Short Introduction.

The Rev. Victoria Weinstein is pastor of First Parish Church of Norwell, Mass., a Unitarian Universalist congregation. In May 2006, she delivered a sermon on the spiritual value of animals.

The Rev. Nancy Taylor is senior pastor of the Old South Church, a United Church of Christ congregation in Boston. In May 2006, she preached a sermon on the blessings given and received by animals.

Lori Gruen is an associate professor of philosophy and of women’s studies at Wesleyan University in Middletown, Conn. Among her areas of interest is injustice to animals. As a guest on a May 11, 2004, podcast of Philosophy Talk, she discussed the morality of eating animals.

Christine Gutleben is director of the animals and religion program for the Humane Society of the United States. She has an undergraduate degree in religious studies and a master’s degree from a theology school, where she studied theology and ethical food choices.

Saurabh Dalal is president of the Vegetarian Union of North America. He spoke at a panel on religious outreach at the 2009 Animal Rights Conference in Washington, D.C. He lives in Lanham, Md.

Michael Croland is the writer behind heeb’n’vegan, a blog about Jewish veganism.

Stephen Matthew Feldman is a professor at the college of law at the University of Wyoming in Laramie. He edited the book Law and Religion: A Critical Anthology (New York University Press, 2000).

James T. Richardson is Emeritus Foundation Professor of Sociology and Judicial Studies at the University of Nevada, Reno. He wrote the essay “Public Policy Toward Minority Religions in the United States: A Model for Europe?” for the book Religion and Public Policy.