Gwyneth Lewis is an award-winning poet and was the National Poet of Wales from 2005 to 2006. Her books of poetry in Welsh and English include Chaotic Angels, Sparrow Tree and Treiglo (Mutating) and, in prose, The Meat Tree: New Stories from the Mabinogion. She is freelance and teaches at Middlebury College's Bread Loaf School of English in Vermont.

Rowan Williams is the former Archbishop of Canterbury and currently Master of Magdalene College, Cambridge. The author of many books from The Wound of Knowledge to The Tragic Imagination, he has published several poetry collections and is a contributor to the New Statesman.