Harvard University | Columbia University | Yale University | University of Paris | New York University | Stanford University | Princeton University | University of Cambridge | University of Pennsylvania | University of Michigan | University of Chicago | University of California, Berkeley | University of Toronto | Cornell University | University of Oxford | University of London | University of Oslo | Cambridge University | University of Southern California | McGill University | Johns Hopkins University | Northwestern University | University of California | Brown University | University of Queensland | University of Minnesota | University of Washington | University of Notre Dame | University College London | Duke University |
In addition to giving frequent talks at universities and scientific symposia throughout the world, he has been a Visiting Professor at the Technion University in Israel, Osaka University, Kyoto University, University of Rome, Beijing University, Åbo Akademi University in Finland, and École Normale Supérieure in Paris.