Gregory Weeks (Ph.D., Political Science, UNC Chapel Hill) is associate professor of political science at UNC Charlotte. He is the author of The Military and Politics in Postauthoritarian Chile (University of Alabama Press, 2003) and U.S.-Latin American Relations (Longman).

John Weeks (Ph.D., Demography, University of California, Berkeley) is professor of geography at San Diego State University. He is the author of hundreds of articles as well as several books, including Teenage Marriages: A Demographic Analysis (Greenwood Press, 1976), Population: An Introduction to Concepts and Issues (Wadsworth Publishing Co., 11th edition in press) and Sociologia de la Población (Madrid: Alianza Universidad Textos, 1984).