John R. W. Stott (1921-2011) was known worldwide as a preacher, evangelist, and communicator of Scripture. For many years he served as rector of All Souls Church in London, where he carried out an effective urban pastoral ministry. A leader among global evangelicals, Stott was a principal framer of the landmark Lausanne Covenant. His many books include Basic Christianity, The Cross of Christ, and Christian Mission in the Modern World.

Phyllis J. Le Peau (1944-2022) trabajó con InterVarsity Christian Fellowship durante más de dos décadas en St. Louis y el área metropolitana de Chicago. También fue autora de numerosas guías de estudio de la Biblia publicadas por Zondervan e InterVarsity Press. Ella y su esposo, Andy, son coautores de los estudios bíblicos guía de vida Grandparenting, Efesios, y James.