Nathan Keyfitz

Kenneth Wachter is Professor of Demography and Statistics at the University of California, Berkeley. Former chair of the Committee on Population of the U.S. National Academy of Sciences, his work spans the range of mathematical demography and biodemography. Books include "Height, Health, and History" and "Between Zeus and the Salmon". Hervé Le Bras holds appointments at the School for Advanced Studies in Social Sciences and the National Institute for Demographic Studies in Paris. Along with contributions to mathematical demography and historical sociology, he is known for books such as "L'invention de la France", "Marianne et les lapins", "La planète au village", and "The Nature of Demography".