Abstract: Who's Who in Christianity is an invaluable reference guide to the leading men and women who have influenced the course of Christian history, including the founding fathers, saints, popes, monarchs, philanthropists, theologians, missionaries, and heretics. The book encompasses both Eastern and Western churches and the lives and opinions of personalities who have shaped the past twenty Christian centuries, from Jesus of Galilee to Pope John Paul II, and from Paul of Tarsus to Mother Teresa.