Christine Schenk is a Catholic nun and the executive director emerita of  FutureChurch, based in Lakewood, Ohio, which advocates ordaining married Roman Catholic men and women as priests to alleviate priest shortages.

Louise Haggett, a sales and marketing specialist from Maine, is president and founder of rentapriest.com.

The Association of Religion Data Archives posts data about Americans’ belief in God (from a 2007 Baylor University study).

The Association of Religion Data Archives posts data (from the 2005 World Christian Database) about atheism worldwide, broken down by region and country.

Adherents.com posts lists of the countries with the highest proportion and highest numbers of atheists and agnostics in 2005.

About.com cites a number of polls on Americans’ attitudes toward atheists.

A Barna study, conducted from January 2007 through January 2008, found similar percentages for divorce among atheists and agnostics as among Christians. The Barna Group partners with organizations and others “to be a catalyst in moral, social, and spiritual transformation.”

Daniel Aleshire directs the Association of Theological Schools, which is based in Pittsburgh, Pa. The association has 251 member schools with 80,140 students total, of whom 64 percent are men and 36 percent are women. The ATS posts a number of tables on seminary enrollment.

Read about a survey of atheists, agnostics and Christians conducted by the Barna Group from January 2005 through January 2007. The findings compare the groups’ attitudes and behaviors on matters ranging from political involvement to charitable contributions and volunteerism.