"An overview of the past and present significance of the theological doctrine of kenosis-the claim in the "Christ-hymn" of Philippians 2 that Jesus emptied and humbled himself in obedience on his way to death upon the cross"--

Paul T. Nimmo holds the King's Chair of Systematic Theology at the University of Aberdeen. His many other books include Being in Action: The Theological Shape of Barth's Ethical Vision, which won a 2009 John Templeton Award for Theological Promise.

Keith L. Johnson is professor of theology at Wheaton College, where he is also the codirector of the Wheaton Center for Faith and Innovation. His other books include Theology as Discipleship and The Essential Karl Barth: A Reader and Commentary.