1. Associate professor and program coordinator, Department of Counseling, Leadership, & Special Education, Missouri State University, 901 South National Avenue, Springfield, MO 65897
2. Teaching assistant, Virginia Murray Sowell Center for Research and Education in Sensory Disabilities, Texas Tech University, Box 41071, Lubbock, TX 79409
3. Professor and director, Virginia Murray Sowell Center for Research & Education in Sensory Impairments, College of Education, Texas Tech University, Lubbock, TX 79409
4. Assistant professor, Visual Impairment Preparation Program, Training Program for Teachers of Students with Visual Impairments and Orientation & Mobility Specialists, Department of Human Services, Human Services Building, Room 223, Stephen F. Austin University, P.O. Box 13019, SFA Station, Nacogdoches, TX 75962