From Wikipedia, the free encyclopedia. Gualtiero Jacopetti (born 4 September 1919) is an Italian director of documentary films. He was born in Barga, in northern Tuscany. With Paolo Cavara and Franco Prosperi is the originator of Mondo films, also called shockumentaries. Description above from the Wikipedia article Gualtiero Jacopetti, licensed under CC-BY-SA, full list of contributors on Wikipedia.