Has offices in Lombard, Ill. and Roseville, Cali. Family of churches in the U.S. and Canada. Church planting is an emphasis.

Based in Colorado Springs, Colo. Claims membership of over 4 million people in 13,609 churches in 81 countries and territories including more than 2,000 churches in the United States. Contact Rev. William (Bill) W. Malick, director of church multiplication ministries.

An evangelical church committed to church planting and world missions based in Fort Wayne, Ind.

Has network of over 1,500 churches worldwide. They work alongside existing local churches to help reproduce and plant new Vineyard churches. Michael Gatlin is the national church planting director.

Frank Lambert is a history professor at Purdue University in West Lafayette, Ind., and author of The Founding Fathers and the Place of Religion in America (Princeton University Press, 2003).

John Tuskey is a lawyer in Indiana and formerly taught at Regent University’s School of Law in Virginia Beach, Va., where he specialized in constitutional law.

Alvin Plantinga is John A. O’Brien Professor of Philosophy at the University of Notre Dame. He is the author of “The Dawkins Confusion: Naturalism ad absurdum,” a review of Richard Dawkins’ The God Delusion, in the March/April 2007 issue of Books & Culture. Plantinga has written several articles about faith and science

Erik J. Wielenberg is an associate professor of philosophy at DePauw University in Greencastle, Ind. He is the author of Value and Virtue in a Godless Universe, which argues that life has meaning and a moral structure even if God does not exist.

J.D. Davidson is an emeritus professor of sociology at Purdue University in West Lafayette, Ind. He specializes in the study of American Catholicism. He co-authored a 2004 study of American Catholic attitudes and his books include Catholicism in Motion: The Church in American Society.