Ira Katznelson is a professor of political science at Columbia University. He has been a Guggenheim Fellow and is a fellow of the American Academy of Arts and Sciences and of the American Philosophical Society. He is a co-author (with Noam Chomsky, R.C. Lewontin, David Montgomery, Laura Nader, Richard Ohmann, Ray Siever, Immanuel Wallerstein, and Howard Zinn) of The Cold War and the University: Toward an Intellectual History of the Postwar Years (The New Press).