David Beukelman

David R. Beukelman was an American speech-language pathologist who specialized in augmentative and alternative communication and communication disorders associated with neurological conditions. He was the Barkley Professor Emeritus of Communication Disorders at the University of Nebraska–Lincoln and used to be the Director of Research and Education of the Communication Disorders Division, Munroe/Meyer Institute of Genetics and Rehabilitation, University of Nebraska Medical Center, Omaha, Nebraska.