Geoffrey B. SaxeDr Geoffrey Saxe has conducted research on mathematical cognition and culture in a variety of settings, including remote parts of Papua New Guinea, urban and rural areas of northeastern Brazil and elementary and middle school classrooms in the UnitedStates. His prior books include Culture and Cognitive Development: Studies in Mathematical Understanding (1991) and Social Processes in Early Number Development (with S. Guberman and M. Gearhart, 1987). He is currently a professor at the Graduate School of Education, University of California, Berkeley. Read More Read Less