Ralph M. Crystal is an American
psychologist
A psychologist is a professional who practices psychology and studies mental states, perceptual, cognitive, emotional, and social processes and behavior. Their work often involves the experimentation, observation, and interpretation of how indi ...
, professor and author, currently the Wallace Charles Hill Professor of Rehabilitation Education at
University of Kentucky, and his books have been collected by libraries worldwide.
References
Living people
University of Kentucky faculty
21st-century American psychologists
Year of birth missing (living people)
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