Education / Experience:
| 1997 - Present: | Physics Professor, Cornell University |
| 1997 - 2013: | CHESS Director |
| 1978 - 1997: | Physics faculty, Princeton University |
| 1977: | PhD in Physics, Princeton University |
| 1972: | S.B. in Physics, M.I.T. |
Research interests:
Biological physics; polymer and other soft condensed matter physics; x-ray and synchrotron radiation science; scientific instrumentation and technique development; development of novel x-ray detectors