Christmas music historian Ron Clancy of North Cape May, N.J., produces the “Millennia Collection,” a multivolume set of Christmas music books and CDs.

The Rev. Dermot S. Roache is director of the Society of African Missions House of Studies in Dedham, Mass. The American province of the missionary group, based in Tenafly, N.J., has priests tending to the spiritual and social needs of Africans in 16 countries, including Liberia, Ghana, Kenya and Tanzania.

Donald E. Capps is a professor emeritus of pastoral psychology at Princeton Theological Seminary in Princeton, N.J. He is the author of A Time to Laugh: The Religion of Humor (Continuum, 2005). Contact 609-497-6442.

Susan Carroll is senior scholar at Rutgers University’s Eagleton Institute of Politics at the Center for American Women and Politics in New Brunswick, N.J. and is also a professor of political science and women’s and gender studies. She is an expert on abortion politics.

Harvey Kornberg is associate professor of political science at Rider University in Lawrenceville, N.J. He has expertise in abortion politics.

N.E.H. Hull is a law professor at Rutgers University in Camden, N.J., and co-author of Roe v. Wade: The Abortion Rights Controversy in American History (University Press of Kansas, 2001).

Michael Cook is a professor of near Eastern studies at Princeton University in New Jersey. He is the author of Commanding Right and Forbidding Wrong in Islamic Thought (Cambridge University Press, 1997) and numerous other publications.  

Patricia Crone is a professor of Islamic history at the Institute for Advanced Study at Princeton University in New Jersey. She is an expert in Islamic history and religion.

James Trussell is a professor of economics and public affairs and faculty associate with the Office of Population Research at Princeton University in New Jersey. He has an expertise in abortion and advocates making emergency contraception widely available as a means of reducing unintended pregnancies and runs a website on the topic.