Louis Feldman is a professor of classics and literature at Yeshiva University in New York City. He is an expert on conversion to Judaism and can discuss conversion from a historical perspective.

A Jan. 2, 2013, New York Times story previewed the conference at the Center for Jewish History and explored religious aspects of the most famous superhero.

Read a Feb. 1, 2013, Smart Set column about a conference at the Center for Jewish History that celebrated the Man of Steel’s 75th birthday — and focused on his Jewish roots.

Lynn Davidman is a professor of modern Jewish studies at the University of Kansas in Lawrence. She is an expert on those who leave Hasidic and Orthodox Judaism, both in the U.S. and in Israel.

Read an April 7, 2013, column in the Huffington Post by S. Brent Plate, a visiting associate professor of religious studies at Hamilton College.

Ann Stone is the head of Republicans for Choice in Alexandria, Va., which says its aim is to remove politics from the abortion debate.

Gerard Heather is a political science professor at San Francisco State University and an expert on religion and politics.

Steven J. Zipperstein is a professor in Jewish culture and history at Stanford University in Stanford, Calif. He is co-editor of a series of books titled Jewish Lives from Yale University Press. His research areas include modern Jewish history, and he teaches a course on Jews in the modern world.

Eugene Sheppard is an associate professor of modern Jewish history and thought at Brandeis University in Boston and associate director of the Tauber Institute for the Study of European Jewry. He is an expert on the influence of European Jewish refugees on public life and academia in the U.S.