Dr. M. B Santos, MBE group, Department of Physics, University of Oklahoma.
Dr. M. B. Johnson, and his group, Department of Physics, University of Oklahoma.
Drs. L. E. Christensen, C. J. Hill, K. Mansour, A. Soibel, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA.
Dr. John F. Klem, Sandia National Laboratories, Albuquerque, NM.
Drs. A. Liu, D. Lubyshev, Y. Qiu, J. M. Fastenau, IQE Inc., Bethlehem, PA.
