Carmel Chiswick was a professor emerita of economics at the University of Illinois at Chicago until her retirement. She focuses on the economics of religion, especially involving the American Jewish family, Jewish religious observance and American Jewish communal institutions.

Barry Chiswick is chair of the department of economics at Columbian College of Arts and Sciences, George Washington University in Washington D.C.  He specializes in the economics of religion. During his former post at the University of Illinois at Chicago, he published widely on the topic of economic issues involving Jewish people.

Evelyn Lehrer is a professor of economics at the University of Illinois at Chicago who specializes in the economics of religion. She wrote Religion, Economics, and Demography: The Effects of Religion on Education, Work and the Family (Routledge, 2009).

Michael L. Budde is chairman of the political science department at DePaul University in Chicago and a frequent lecturer on religious studies. Budde can discuss the growth of churches that believe in miracles.

The Pluralism Project at Harvard University offers a state-by-state search engine for religious communities.

The Christian Century is a progressive ecumenical Christian magazine based in Chicago.