John Dominic Crossan is generally regarded as the leading historical Jesus scholar in the world. He is the author of several bestselling books, including The Historical Jesus, Jesus: A Revolutionary Biography, The Birth of Christianity, and Who Killed Jesus? He lives in Clermont, Florida. John Dominic Crossan was born in Nenagh, County Tipperary, Ireland in 1934. He was educated in Ireland and the United States, received a Doctorate of Divinity from Maynooth College in Ireland in 1959, and did post-doctoral research at the Pontifical Biblical Institute in Rome from 1959 to 1961 and at the École Biblique in Jerusalem from 1965 to 1967. He was a member of a thirteenth-century Roman Catholic religious order, the Servites (Ordo Servorum Mariae), from 1950 to 1969 and was an ordained priest in 1957. He joined DePaul University in Chicago in 1969 and remained there until 1995. He is now a Professor Emeritus in its Department of Religious Studies.

Luke Timothy Johnson is an American New Testament scholar and historian of early Christianity. He is the Robert W. Woodruff Professor of New Testament and Christian Origins at Candler School of Theology and a Senior Fellow at the Center for the Study of Law and Religion at Emory University. Johnson's research interests encompass the Jewish and Greco-Roman contexts of early Christianity (particularly moral discourse), Luke-Acts, the Pastoral Epistles, and the Epistle of James.