The Translator: Michael Fell is a retired Professor of mathematics at the University of Pennsylvania. He has published numerous research articles and books on pure mathematics, as well as two previous books on the development of Christianity in Iceland: Whom Wind and Waves Obey: Selected Sermons of Bishop Jón Vídalín (Peter Lang, 1998) and And Some Fell into Good Soil: A History of Christianity in Iceland (Peter Lang, 1999).