James Charles Crumbaugh
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James Charles Crumbaugh (1912-2001) was an American psychologist and parapsychologist.
Crumbaugh was born in Terrell, Texas. He became interested in parapsychology starting in 1938 which led to a Master's thesis. He received his Ph.D. from the University of Texas in 1953.[1]
Crumbaugh who worked with the Parapsychology Foundation, carried out experiments into extrasensory perception.[2] However, his results were negative. After thousands of card runs he failed to duplicate the results of Joseph Banks Rhine.[3][4]