B.S. 1978, Haverford
Ph.D. 1983, California (Berkeley)
Visiting Professorships:
NSF-CNRS Fellow, Orsay (Paris)
Fudan University (Shanghai)
BESSY synchrotron (Berlin)
Ruhr Universitat (Bochum)
Universite de Paris (Jussieu)
Instituto Degli Studio (Florence)
Stanford University (Palo Alto)
