Benjamin Blech is a rabbi and a professor of Talmud at Yeshiva University in New York City. He has written about what the discovery of intelligent alien life would mean to Judaism.

The Rev. Paul Gabor is a Catholic priest and vice director for the Vatican Observatory Research Group in Tucson, Ariz. He is a frequent contributor to the Vatican Observatory’s blog. Contact via Katie Bannan Steinke, development coordinator for VORG.

The Rev. James Kurzynski is a Catholic priest in the Diocese of LaCrosse, Wis., and a hobby astronomer. He writes frequently for the Vatican Observatory blog.

Brother Guy Consolmagno is a Jesuit and director of the the Vatican Observatory, as well as president of its foundation. He is a frequent commentator on religion and science and wrote the pamphlet “Intelligent Life in the Universe: Catholic belief and the search for extraterrestrial life.” The observatory is in Tucson, Ariz.

The Rev. Thomas O’Meara is a Catholic priest and professor emeritus at Notre Dame University. He is the author of Vast Universe: Extraterrestrials and Christian Revelation.

Robert Lawrence Kuhn is an investment banker, public intellectual and the creator of “Closer to Truth,” a PBS television show, website and series of videos and podcasts that examine the “big questions” of existence. Contact via his Facebook page.

Gary Bates is an evangelical Christian and young-Earth creationist associated with Creation Ministries International in Atlanta. He speaks frequently about UFOs and Christianity.

Lesley Sachs is the director of Women of the Wall, an international consortium of Jewish women who want women to be able to pray at Jerusalem’s Western Wall. She lives in Jaffa, Israel.

Faiyez Jaffer is an affiliate chaplain at the Center of Global Spiritual Life at New York University in New York City. He is an American-born Muslim and wrote about the travel ban’s consequences for Shiite Muslims.