Master of Arts in Mathematics, Princeton University, 1968; Doctor of Philosophy in Mathematics, CUNY, 1969.
Assistant to A. Weil, Institute for Advanced Study, Princeton, New Jersey, 1965-1967; professor mathematics, U. Maine, Orono, since 1969. President Research Institute for Mathematics.
Member American Mathematics Society (editor Mathematics Revs. 1953-1964), Association Mems. of Institute Advanced Study, Maine Council Higher Education, New York Academy Sciences.