The Reverend Dr. William H. Willimon has been a Bishop of The United Methodist Church since 2004.

Gerald McDermott will discuss whether Christians can believe other religions have truth and goodness, and if so, then what is unique about the Christian faith.

Marilynne Robinson is the author of Gilead, which won the 2005 Pulitzer Prize for fiction and the 2004 National Book Critics Circle Award for Fiction. Her most recent novel, Home, a companion to Gilead, won the 2008 L.A. Times Book Prize for fiction and the 2009 Orange Prize for fiction.

Michael Ward is an ordained minister in the Church of England, his native country, and one of the world’s leading authorities on the works of C.S. Lewis.

Dr. Timothy Johnson served as Medical Editor for ABC News, where he regularly appeared on Good Morning America, World News Tonight, Nightline, and 20/20. Dr. Johnson also is an ordained minister in the Covenant Church, and is author of Finding God in the Questions: a Personal Journey.