David Stark is the Arthur Lehman Professor of Sociology and International Affairs at Columbia University, where he directs the Center on Organizational Innovation. His most recent book is The Sense of Dissonance: Accounts of Worth in Economic Life.
Nancy Warner is a fine-art and portrait photographer based in San Francisco. Many of the photographs in this book were first exhibited at the Great Plains Art Museum as Going Back: Midwestern Farm Places (2008). The photographs are available for sale, exhibit, or licensing. Contact Nancy Warner at www.warnerphoto.com.