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.

John Young is director of comparative medicine at Los Angeles Cedars-Sinai Medical Center and chairman of Americans for Medical Progress, a pro-animal testing group.

Frankie Trull is founder and president of the Foundation for Biomedical Research, an organization that promotes the responsible use of animal testing in scientific labs.

Michelle Thew is chief executive of the British Union for the Abolition of Vivisection and has worked on a number of campaigns regarding the use of animals for research and testing, including successful work on a European Union-wide cosmetics testing ban.

David E. Wilkins is co-author of Uneven Ground: American Indian Sovereignty and Federal Law (University of Oklahoma Press, 2001) and associate professor of American Indian studies, political science and law at the University of Minnesota, Twin Cities.

Betsy Nessen Merrill is director of development and communications for AltWeb, the Alternatives to Animal Testing website, a project of the Johns Hopkins Center for Alternatives to Animal Testing in Baltimore.

Dr. Michael Greger is a physician and director of public health and animal agriculture in the farm animal welfare division of the Humane Society of the United States. He is an expert on the public-health implications of using antibiotics and growth hormones in livestock and other food-safety issues.