Michael D. Gordin is professor of history at Princeton University, where he teaches the history of modern science. He is the author of, among other books, Red Cloud at Dawn: Truman, Stalin, and the End of the Atomic Monopoly (Farrar, Straus and Giroux, 2009) and The Pseudoscience Wars: Immanuel Velikovsky and the Birth of the Modern Fringe (forthcoming from University of Chicago Press).