American speech and language pathologist
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.
He was a Senior Researcher in the Institute for Rehabilitation Science and Engineering at Madonna Rehabilitation Hospital in Lincoln, Nebraska.
Beukelman died on February 5, 2022.
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