David Kaiser is the Leo Marx Associate Professor of the History of Science in the Program in Science, Technology, and Society at the Massachusetts Institute of Technology and a lecturer in MIT's department of physics. His historical research focuses on changes in American physics during the Cold War, and his physical research focuses on early-universe cosmology. He is the author of Drawing Theories Apart: The Dispersion of Feynman Diagrams in Postwar Physics (University of Chicago Press, 2005) and the editor of Pedagogy and the Practice of Science: Historical and Contemporary Perspectives (MIT Press, 2005). Drawing Theories Apart received the 2007 Pfizer Award from the History of Science Society for best book in the field. He is currently completing a book titled How the Hippies Saved Physics (forthcoming from W. W. Norton). Other honors include the Leroy Apker Award from the American Physical Society and the Levitan Prize in the Humanities from MIT. Address: Building E51-185, MIT, 77 Massachusetts Avenue, Cambridge, MA 02139. Internet: dikaiser@mit.edu