Syndicated political columnist and “On Faith” panelist Cal Thomas has a twice-weekly column that appears in over 500 newspapers around the world. A graduate of American University, Thomas is a veteran of broadcast and print journalism. He has worked for NBC, CNBC, PBS television, and the Fox News Channel where he currently appears on the weekly media critique show, “Fox News Watch.” Thomas has authored ten books, including Blinded by Might: Can the Religious Right Save America?, A Freedom Dream, Public Persons and Private Lives, Book Burning, Liberals for Lunch, Occupied Territory, The Death of Ethics in America, Uncommon Sense and Things That Matter Most. His latest was The Wit and Wisdom of Cal Thomas. In 1995, Thomas was honored with a Cable Ace Award nomination for Best Interview Program. Other awards include a George Foster Peabody team reporting award, and awards from both the Associated Press and United Press International. Common Ground, which Thomas writes for USA Today, offers insightful discussion of contentious social issues with his friend and political counterpart, Bob Beckel. The two are working together on a book to be published in 2007.

Rabbi David Saperstein is the Washington representative of Judaism's Reform Movement as Director of the Religious Action Center of Reform Judaism, a position he has held for 30 years. The "On Faith" panelist also co-chairs the Coalition to Preserve Religious Liberty, and serves on the boards of numerous national organizations including the NAACP and People For the American Way. In 1999, Saperstein was elected first chair of the U.S. Commission on International Religious Freedom created by Congress. The Religious Action Center advocates for a broad range of social justice issues and provides extensive legislative and program materials for synagogues, federations and Jewish community relations councils nationwide. It also coordinates social action education programs that train nearly 3,000 Jewish adults, youth, rabbinic and lay leaders each year. Also an attorney, Saperstein teaches seminars in First Amendment Church-State Law and in Jewish Law at Georgetown University Law School. He co-authored Jewish Dimensions of Social Justice: Tough Moral Choices of Our Time (1998).

Susan Jacoby is the author of The Age of American Unreason. She began her writing career as a reporter for The Washington Post, and has been a contributor to a wide range of periodicals and newspapers for more than 25 years on topics including law, religion, medicine, aging, women's rights, political dissent in the Soviet Union and Russian literature. Jacoby has been the recipient of grants from the Guggenheim, Rockefeller and Ford Foundations, as well as the National Endowment for the Humanities. In 2001-2002, she was named a fellow at the Center for Scholars and Writers at the New York Public Library. Jacoby’s other books include Freethinkers: A History of American Secularism (2004); Wild Justice: The Evolution of Revenge, a Pulitzer Prize finalist in 1984, and Half-Jew: A Daughter's Search for Her Family's Buried Past. She is working on a book about the relationship between American anti-intellectualism and political polarization, to be published by Pantheon in 2008. Her photo is by Chris Ramir.

Philip G. Davis is manager of the Christian Science Committees on Publication for The First Church of Christ, Scientist, in Boston, which handles all media and government relations. He directs the work of 150 local spokespersons for the Christian Science Church around the world. In 1989 he was appointed to the church's Committee on Publication for the state of Illinois; in 1993 he began as manager of the church’s federal office representing the Church to Congress, the Federal government and the White House; in 1998 he became manager of the church’s Christian Science practitioner and nursing activities, conducting interviews, meetings and workshops around the world. For over 20 years, Davis has been a professional Christian Science practitioner, available to help others through prayer. He is also one of about 200 authorized Christian Science teachers in the world. He conducts a two-week class in spiritual healing once a year and holds an annual meeting for his pupils in the Chicago area.

Named the No. 1 Pulpit Rabbi in America by Newsweek magazine, David Wolpe is the Rabbi of Sinai Temple in Los Angeles, Calif. Previously he taught at the Jewish Theological Seminary of America in New York, The American Jewish University in Los Angeles, Hunter College, and he currently teaches at UCLA. Rabbi Wolpe writes for many publications, including regular columns for the New York Jewish Week, beliefnet.com, as well as periodic contributions to the Jerusalem Post, The Los Angeles Times, and many others. He is an ethics columnist for Campaigns and Elections Magazine and a monthly book columnist for L.A. Jewish Journal. He has been on television numerous times, featured in series on PBS, A&E, as well as serving as a commentator on CNN and CBS This Morning. Rabbi Wolpe is the author of seven books, including the national bestseller Making Loss Matter: Creating Meaning in Difficult Times. Rabbi Wolpe’s newest book is "Why Faith Matters, A Personal Faith Journey And Response To The New Atheists."

For more than 40 years, “On Faith” panelist Rabbi Adin Steinsaltz has devoted himself to the monumental undertaking of translating and reinterpreting the Talmud, the vast collection of rabbinic writings that constitute Jewish civil and religious laws. Steinsaltz, who lives in Jerusalem, began this task in 1965, when he founded The Israel Institute for Talmudic Publications. The Steinsaltz Edition of the Talmud, of which 37 volumes have been published so far, has made the Talmud accessible to tens of thousands of Hebrew speakers. In 1989, he began producing an English edition of 22 volumes. Since 1994, 15 volumes have been published in French, and four have appeared in Russian. The Talmud project has been described as the most important Jewish publication endeavor of the 20 th Century. Steinsaltz has written some 60 books and hundreds of articles on a wide variety of topics, including Hasidism and the Jewish mystical tradition of Kabbalah. One of his most popular books is The Thirteen Petalled Rose , which he describes as “a little book for the soul.” In 1989, Steinsaltz established a Russian branch of Mekor Chaim--the first Jewish institution to receive official recognition in the former Soviet Union . He also founded the Aleph Society, and the Mekor Chaim Educational Institutions. In 1988, Steinsaltz received the prestigious Israel Prize--his nation's highest honor. He has lectured at major universities and research institutions in the United States and Europe, including Princeton University , Yale University , Columbia University , the Woodrow Wilson Center , Oxford University and the Sorbonne.

The Rev. Dr. C. Welton Gaddy leads the nonpartisan educational organizations the Interfaith Alliance and the Interfaith Alliance Foundation, and hosts the latter's national weekly radio show, State of Belief. The “On Faith” panelist also serves as pastor for preaching and worship at Northminster (Baptist) Church in Monroe, La. Gaddy has written more than 20 books, which reflect his interest in the intersection of religion, media and activism as well as his progressive view of the Baptist church, including: I Give You My Word: Sharing the Language of Life ” with Walter Cronkite; Faith and Politics: What's a Christian to Do ?; Adultery and Grace: the Ultimate Scandal ; and A Love Affair With God: Finding Freedom & Intimacy in Prayer . Gaddy also is one of 20 religious members of the Council of 100 leaders, a group created by the World Economic Forum to foster dialogue between Western and Muslim countries. He has served in leadership roles at the national Alliance of Baptists, Cooperative Baptist Fellowship, Commission of Christian Ethics of the Baptist World Alliance, Board of Americans United for Separation of Church and State, Pastoral Leadership Commission of the Baptist World Alliance, and Southern Baptist Convention. The Interfaith Alliance was created in 1994 to celebrate religious freedom and to challenge the bigotry and hatred arising from religious and political extremism infiltrating American politics. Today, The Interfaith Alliance has 185,000 members across the country representing 75 faith traditions a well as those of no faith tradition. It is supported by 47 local activist groups and a cyber-network of 45,000 people. Gaddy earned his undergraduate degree from Union University in Tennessee and his doctoral degree and divinity training from the Southern Baptist Theological Seminary in Louisville, Ky.