Sam Davis is Professor of Architecture at the University of California, Berkeley, principal architect at Sam Davis Architecture, and a Fellow of the American Institute of Architects. He is the author of The Architecture of Affordable Housing (California, 1995) and the editor of The Form of Housing (1977).

Christopher Hawthorne is architecture critic for the Los Angeles Times. His work has also appeared in the New York Times, the New Yorker, the Washington Post, Slate, and Metropolis. With Alanna Stang, he is the author of The Green House: New Directions in Sustainable Architecture (Princeton Architectural Press, 2005). A graduate of Yale University, he has taught at Columbia University and UC Berkeley.