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 | Massachusetts Institute of Technology | 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 |
He received a B.S. degree in plant protection from Uttar Pradesh Agricultural University (now renamed as Govind Ballabh Pant University of Agriculture & Technology) in Pantnagar, India, as well as M.S. and Ph.D. degrees in plant pathology, both from the University of Illinois at Champaign-Urbana.