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Best known for helping shape early parapsychology research, this American psychologist spent decades studying extrasensory perception, psychokinesis, mediumship, and poltergeist reports. His work at Duke University made him one of the field's central figures in the mid-20th century.

by J. Armoy (John Armoy) Knox, J. G. Pratt
Born in Winston-Salem, North Carolina, in 1910, J. G. Pratt was an American psychologist whose full name was Joseph Gaither Pratt. He became closely associated with J. B. Rhine's Parapsychology Laboratory at Duke University, where he worked for many years on experiments involving extrasensory perception and related phenomena.
Pratt's research interests covered a wide range of topics within parapsychology, including ESP, psychokinesis, mediumship, and poltergeists. He also wrote for general readers, helping introduce unusual and controversial areas of research to a wider audience in a more accessible way.
He remained an important name in parapsychology through the middle of the 20th century and continued publishing and investigating claims in the field for decades. He died in 1979, but his name still appears regularly in histories of psychic research and early experimental parapsychology.