Viviana A. Zelizer is Lloyd Cotsen ‘50 Professor of Sociology at Princeton University. She specializes in economic processes, interpersonal relations, and childhood. She has published books on the development of life insurance, the changing economic and sentimental value of children in the United States, and on the place of money in social life. Some of her recent publications include The Purchase of Intimacy (Princeton University Press, 2005) and Economic Lives: How Culture Shapes the Economy (Princeton University Press, 2010). Her current research focuses on college students’ economic practices, concentrating on their cross-class transactions.