Andreas J. Köstenberger is Research Professor of New Testament and Biblical Theology and Director of the Center for Biblical Studies at Midwestern Baptist Theological Seminary, Kansas City, Missouri, USA. He is the author or co-author of numerous books including John (BECNT), The Theology of John's Gospel and Letters, Father, Son and Spirit (NSBT), The Heresy of Orthodoxy, God, Marriage and Family, and Invitation to Biblical Interpretation.
T. Desmond Alexander is Senior Lecturer in Biblical Studies at Union Theological College, Belfast. He is the author of From Paradise to the Promised Land, From Eden to the New Jerusalem, The Servant King, Discovering Jesus and Exodus (AOTC), and co-editor of the New Dictionary of Biblical Theology and the Dictionary of the Old Testament: Pentateuch.