1. Donald D. Hammill, is president of RPO-ED, Inc., and trustee of the Donald D. Hammill Foundation. He received degrees in secondary education and educational psychology (special education) from the University of Texas at Austin and served on the teaching faculties of Wichita State University and Temple University (Philadelphia). He presently represents the Council for Learning Disabilities on the NJCLD. Address: Donald D. Hammill, 8700 Shoal Creek Blvd., Austin, TX 78757.