1. Michael M. Gerber received his PhD from the University of Virginia, specializing in Special Education. He is currently an Associate Professor of Special Education in the Graduate School of Education at the University of California at Santa Barbara. Address: Michael M. Gerber, Special Education Program, Graduate School of Education, University of California, Santa Barbara, CA 93106.
2. Robert J. Hall received his PhD from UCLA. He is currently an Associate Professor in the Department of Educational Psychology at Texas A & M University.