Carl R. Trueman is a professor of church history at Westminster Theological Seminary in Glenside, Pa. He teaches a course on the Reformation, which is available online, and is the author of  The Reformation: Yesterday, Today and Tomorrow. Contact via the seminary’s main telephone number or an online email form.

Diarmaid MacCulloch is a professor of the history of the church at St. Cross College at Oxford University in Oxford, England. He is the author of The Reformation: A History.

Lyndal Roper is a professor of history at Oriel College at Oxford University in Oxford, England. She is an expert on German religious history, especially Martin Luther and the Protestant Reformation, and the history of witchcraft. She is the author of Martin Luther: Renegade and Prophet.

Christopher McMahon is associate professor of theology at St. Vincent College in Latrobe, Pa. Much of his research focuses on the Gospels, Christian doctrine and Catholic theology. He wrote “Imaginative Faith: Apocalyptic Theory, Science Fiction and Theology” in the Journal of Theology Dialogue.

Laurel Schneider is a professor of religious studies and religion and culture at Vanderbilt University in Nashville, Tenn. She is a scholar of modern and postmodern Christian thought, trained in gender theory, sociology of religion and Native American religious traditions.

The Albuquerque Friends Meeting House is currently housing an undocumented immigrant. Quakers have no appointed clergy. Church member Rachel Brackbill can handle questions from the press.

Lincoln United Methodist Church in Chicago is housing an undocumented immigrant. The Rev. Emma Lozano is pastor.

St. Mary’s Episcopal Church in Dorchester, Mass., is a member of its local sanctuary movement group and is hosting an undocumented immigrant. The Rev. Edwin Johnson is the lead pastor and Savannah Hauge is the church’s sanctuary coordinator.

Southside Presbyterian Church in Tucson, Ariz., has participated in the sanctuary movement since its first wave in the 1980s. In addition to continuing to house undocumented immigrants, it organizes other congregations throughout the nation in the new sanctuary movement. The Rev. Alison Harrington is pastor.