Marengo, 'Humanae vitae' scholar, appointed JPII Institute VP Vatican City, Oct 30, 2019 / 11:25 am (CNA).- The theologian who chaired a 2017 Vatican study group on Humanae vitae has been appointed the vice president of Rome’s Pontifical John Paul II Institute. Read more about Marengo, 'Humanae vitae' scholar, appointed JPII Institute VP