books.google.com - Angelo Roncalli was elected Pope in 1958 and in four and a half years, through summoning the Second Vatican Council and putting in hand a major revision of the code of Canon Law, had transformed the Roman Catholic Church. Through his personality and teaching, and his initiatives with world leaders, he...http://books.google.com/books/about/John_XXIII.html?id=TZBfP7AgMmAC&utm_source=gb-gplus-shareJohn XXIII