Watch FMovies. Joseph Ratzinger - Pope Benedict XVI: What led a gendarme's son from Marktl am Inn to the most powerful office in Christianity? What was his charisma, where were his limits? Will the pontificate of Benedict XVI. be remembered, or rather the great Council theologian Joseph Ratzinger? Martin Posselt draws the intellectual portrait of a man who shaped the faith of the Catholic Church on the threshold of the 3rd millennium like no other.