Massimo Livi-Bacci is Professor of Demography at the University of Florence. He has been President of the International Union for the Scientific Study of Population. He has published extensively on contemporary demography as well as on the history of population, and has taught or held fellowships at universities all over the world, including the College de France, the Colegio de Mexico, Princeton University of California at Berkeley, and Brown University, Providence, RI. His books include "Population and Nutrition" (1991), "The Population of Europe. A History" (1999), and "Conquista. The Destr...