Christopher Jencks is Malcolm Wiener Professor of Social Policy at Harvard University. He was a visiting scholar at the Russell Sage Foundation (1991–1992) and a Fellow of the Institute for Policy Studies (1963–1967). He is a member of the editorial board of the American Prospect and the author or co-author of several books, including The Academic Revolution (1968), Rethinking Social Policy (1992), The Homeless (1994), and The Black-White Test Score Gap (1998). Jencks’s current research examines changes in family structure over the past generation, the costs and benefits of economic inequality, the extent to which economic advantages are inherited, and the effects of welfare reform.