Calvin Miller (1936-2012) was a professor at Beeson Divinity School. The beloved author of more than forty books, Miller was also well known as a poet, artist, novelist and speaker. His later works included Preaching (Baker), O Shepherd Where Art Thou? (Broadman Holman) and Conversations with Jesus (Harvest House). He summed up his rule of life in four words: "Time is a gift."
Klaus Issler (Ph.D., Michigan State) is professor of Christian education and theology in the Ph.D. program in educational studies at Talbot School of Theology, Biola University, in La Mirada, California.