1. Richard L. Simpson is professor of special education at the University of Kansas. He currently directs the University of Kansas Autism Teacher Training Program and is codirector of the Combined Learning Disabilities/Behavior Disorders Doctoral Training Program. He is also editor of Focus on Autistic Behavior.
2. Richard J. Whelan is acting dean of the School of Education and associate dean for graduate studies at the University of Kansas. He is also the Ralph L. Smith Distinguished Professor of Child Development as well as professor of special education and pediatrics. He is director of education for the University Affiliated Program of the University of Kansas Medical Center and is also an editor for Focus on Exceptional Children.
3. Robert H. Zabel is professor of special education at Kansas State University