David S. Katz is a professor of the history of books and chairman of the history department at Tel Aviv University in Tel Aviv, Israel. He has written about fundamentalism and scriptural literalists.

Emmanuel Sivan is an emeritus professor of history at Hebrew University of Jerusalem in Israel and an expert in comparative fundamentalisms. He is a co-author, with Gabriel A. Almond and R. Scott Appleby, of Strong Religion: The Rise of Fundamentalisms Around the World, a publication in the Fundamentalism Project series.

Eliezer Don-Yehiya is a professor of political studies at Bar-Ilan University in Ramat Gan, Israel. He has written widely on varieties of Jewish extremism.

Richard T. Antoun was a professor emeritus of anthropology at the State University of New York at Binghamton. He wrote Understanding Fundamentalism: Christian, Islamic and Jewish Movements.

Stuart Z. Charmé is a professor of religion at Rutgers University at the campus in Camden, N.J. For more than a decade, Charmé has interviewed Jewish children and teenagers about their religious beliefs and ideas – focusing particularly on how gender affects a child’s understanding of Jewish history and practice.

The Simon Wiesenthal Center in Los Angeles is an international Jewish human rights organization dedicated to preserving the memory of the Holocaust by fostering tolerance and understanding. The center also focuses on contemporary issues, including racism, antisemitism, terrorism and genocide.

Regina Schwartz is director of the Institute for Religion and Global Violence at Northwestern University in Evanston, Ill.

Susan Niditch is professor of religion at Amherst College in Massachusetts and has expertise in Hebrew Bible, war and women.

Rabbi Steve Gutow is president and CEO of the Jewish Council for Public Affairs, president and CEO of the Coalition on the Environment and Jewish Life and the founding executive director of the National Jewish Democratic Council.