David Grubin is producer and director of the PBS television special Abraham and Mary Lincoln: A House Divided, which aired as part of American Experience and included discussions of Lincoln’s faith.

Doris Kearns Goodwin is one of America’s most popular historians and the best-selling author of Team of Rivals: The Political Genius of Abraham Lincoln.

Professor of Religious Studies and Theology at St. Jerome’s University at the University of Waterloo. His primary focus in systematic theology among the Orthodox in particular. His dissertation studied the Orthodox Theologians at l’Institute Saint Serge, Paris (1925-1939) and their perception of St. Augustine’s Theology.

Eric Foner is a history professor at Columbia University in New York City and author of A House Divided: America in the Age of Lincoln.

Rodney Davis is co-director of the Lincoln Studies Center at Knox College in Galesburg, Ill.

Michael Burlingame is a history professor emeritus at Connecticut College in New London. He wrote the 1995 book The Inner World of Abraham Lincoln and the 2008 book Abraham Lincoln: A Life.

David Gordon White is a professor of religious studies at the University of California, Santa Barbara. He is an expert on the religions of South Asia and contributed an entry on dogs to The Encyclopedia of Religion.

Suzanne Crawford O’Brien is an assistant professor of religion and culture at Pacific Lutheran University in Tacoma, Wash. She is an expert on the religious and spiritual attitudes and practices of Native Americans and animals.

Nancy Jensen-Case is the founder of Dreamtime Sanctuary for animals outside Elgin, Texas. She is a graduate of the Episcopal Theological Seminary in Austin, Texas, and is a chaplain.