D. A. Carson (PhD, Cambridge University) is research professor of New Testament at Trinity Evangelical Divinity School, where he has taught since 1978. He is a cofounder of the Gospel Coalition and has written or edited nearly 120 books. He and his wife, Joy, have two children and live in the north suburbs of Chicago. John D. Woodbridge (PhD, Universite de Toulouse, France) is research professor of church history and the history of Christian thought at Trinity Evangelical Divinity School. Woodbridge has taught history at the University of Toulouse, Northwestern University, and Hautes Etudes, Sorbonne. He and his wife, Susan, reside in Lake Forest, Illinois, and they have three children.