Elio Guerriero, theologian, philosopher, and historian, is the longtime director of Communio, and editorial manager at Jaca Book and Edizioni San Paolo. He edited the Italian edition of the History of the Church directed by A. Jedin. His other books include Hans Urs von Balthasar, The Drama of God, and Saint Giana Molla: Wife, Mother, and Doctor.
Elio Guerriero, biographer of the Pope Emeritus and Hans Urs von Balthasar, speaks about the impact and origins of Ratzinger's Introduction to Christianity.