Ahmed E. Souaiaia is associate professor of Islamic studies at the University of Iowa in Iowa City. He teaches a course on Islamic law and is the author of Contesting Justice: Women, Islam, Law and Society.

Alexander Knysh is a professor of Islamic studies at the University of Michigan. He is a fellow at the Woodrow Wilson International Center for Scholars, where he is writing about Islam and empire in the Northern Caucasus.

The Islamic Center of Greater Toledo is one of the largest mosques in the U.S. It was founded more than 75 years ago by Syrian immigrants and today serves Muslims of 20 nationalities. Contact secretary Aneesa Shaheen.

The Islamic Cultural Center of Greater Chicago in Northbrook, Ill., was founded in 1974 by Bosnian Muslims. Its mission is to conduct services in accordance with the faith of Islam and to educate its members and children.

George Mamo is the executive vice president of the International Fellowship of Christians and Jews and executive director of Stand for Israel, an IFCJ project.

The Cato Institute is a public policy research organization dedicated to the principles of individual liberty, limited government, free markets and peace.

The Council for Jews With Special Needs provides programs, resources and support for Jews with disabilities to help them meet their spiritual needs. Gail Holtzman Gilmartin is executive director. It is based in Scottsdale, Ariz.

The Mosse/Weinstein Center for Jewish Studies is at the University of Wisconsin-Madison. It maintains a list of faculty from across the school. Michael Bernard-Donals is director.

The Berman Center for Jewish Studies is at Lehigh University in Bethlehem, Pa. Martin Kavko is director.