| 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 |
Jan. - April 1996 |