George W. Carey, professor of urban geography at Rutgers University, gave the Matthew Vassar Lecture on "Demography, Education, Urban Renewal and the Washington, D. C. Ghetto: A Statistical-Cartographic Analysis."  A specialist in mathematical modeling of urban ecological systems, Carey published Teaching Population Geography: an Interdisciplinary Ecological Approach in 1969, and he co-authored Urbanization, Water Pollution and Public Policy in 1972.