Hans Küng has been a major influence on post-war Christianity by any reckoning. a peritus for the second Vatican council, he then went on to publish a number of controversial books, including Infallible? which enraged the Vatican and caused him to lose the ecclesiastical approval of his teaching at the university of Tübingen. However, he remains a respected priest in good standing with his bishop. Throughout all the upheavals that the Catholic Church has undergone in recent decades, Küng has be