Professional Experience:
| Technical Staff |
Bell Telephone Laboratories - Murray Hill |
1968 - 70 |
| Assistant Professor |
Michigan State University |
1970 - 76 |
| Visiting Associate Professor |
Institute of Physics - Bhubaneswar, India |
June - Sept., 1976 |
| Associate Professor |
Michigan State University |
1977 - 81 |
| Professor |
Michigan State University |
1982 - Present |
| Visiting Professor |
Indian Institute of Science - Bangalore, India |
Sept. - Dec., 1979 |
| Visiting Professor |
Tata Institute of Fundamental Research - India |
Jan. - March, 1980 |
| Visiting Professor |
University of Antwerp - Belgium |
March - June, 1980 |
| Visiting Scientist |
Max-Planck-Institut für Festkörperforschung, Stüttgart |
Summer 1980 |
| Visting Scientist |
Argonne National Laboratory |
Summer 1981 |
| Visiting Professor |
Jawarharlal Nehru University - Delhi , Indian Institute of Technology - Madras, India |
Jan. - April, 1996 |
| Visiting Professor |
National Institute of Science Education and Research (NISER) - Bhubaneswar, India |
July - Dec., 2008 |
Jan. - May, 2012 |