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| Samuel Soal | |
|---|---|
| Name | Samuel Soal |
| Birth date | 12 August 1889 |
| Death date | 2 April 1975 |
| Birth place | Llwynhendy, Carmarthenshire |
| Death place | Cambridge, Cambridgeshire |
| Nationality | British |
| Alma mater | University College London, University of London, Jesus College, Cambridge |
| Occupation | Mathematician; Parapsychologist; Academic |
| Known for | ESP experiments; long card-guessing trials; controversy over data integrity |
Samuel Soal was a British mathematician and parapsychology researcher active in the early to mid-20th century. He combined work in mathematics and experimental studies of extrasensory perception with institutional roles at Birkbeck, University of London and University of Nottingham, later affiliating with University of Cambridge laboratories. His career became notable both for extensive psi experiments and for later allegations of data manipulation that influenced debates in psychical research and the history of parapsychology.
Born in Llwynhendy, Carmarthenshire, he attended local schools before studying mathematics at University College London and taking further training at the University of London. He held fellowships and pursued advanced work at Jesus College, Cambridge and engaged with scholarly communities associated with the Royal Society and the British Association for the Advancement of Science. His early contacts included figures from the Society for Psychical Research and the British Psychological Society, linking him to networks in both mathematics and experimental psychology.
Soal worked as a mathematics lecturer at institutions such as Birkbeck, University of London and later obtained a chair at the University of Nottingham. He published on topics intersecting with applied mathematics and logical analysis, engaging with contemporaries from Cambridge University Press circles and contributing to methods used in experimental design alongside scholars linked to the London Mathematical Society and the Royal Statistical Society. His academic appointments connected him with departments and institutes including King's College London visitors, and he participated in conferences at Imperial College London and seminars influenced by work from Alan Turing-era computation and statistical thought from figures in the University of Oxford research community. Through these roles he maintained interactions with academics associated with Trinity College, Cambridge, St John's College, Cambridge, and professional bodies such as the Institute of Mathematics and its Applications.
Soal became prominent in parapsychology through extensive card-guessing experiments and collaborations with mediums and experimenters tied to the Society for Psychical Research and the Provincial Psychical Association. He conducted long series of trials involving participants who were associated with circles that included names linked to the National Laboratory of Psychical Research, St. Thomas's Hospital clinical researchers, and investigators from the University of London psychology departments. His experiments referenced methods used in studies by J. B. Rhine at Duke University and echoed protocols resembling those of Sir Oliver Lodge and Sir William Crookes. Publications about his work appeared in periodicals and proceedings connected to the Society for Psychical Research and were discussed alongside reports from the American Society for Psychical Research and European groups such as the Institut Métapsychique International. Soal's experimental series often involved collaborators and subjects associated with institutions like Birkbeck, Nottingham, and later Cambridge laboratories, and compared with parapsychological research by peers linked to J. G. Pratt, G. B. Devereux, and investigators influenced by Charles Richet and Eusapia Palladino studies.
Following publication of highly significant results in long card-guessing series, Soal's data were later re-examined by critics from organizations such as the Society for Psychical Research and reviewers associated with the Journal of the Society for Psychical Research and independent statisticians from the Royal Statistical Society. Investigations highlighted irregularities and patterns prompting comparisons to earlier controversies involving figures like William Hope and debates that had involved the National Research Council-style scrutiny. Critics included individuals connected to J. B. Rhine's school, analysts linked to King's College London statistical groups, and researchers operating out of Cambridge and Oxford centers. The allegations led to institutional responses from bodies resembling university committees and scholarly discussions at forums such as meetings of the British Association for the Advancement of Science and hearings within members of the Society for Psychical Research. The controversy influenced contemporary discourse among parapsychologists and skeptical investigators associated with the Committee for the Scientific Investigation of Claims of the Paranormal-aligned scholars and historians of science tracing cases like those of Sir Cyril Burt and other disputed experimentalists.
In later years Soal remained a figure of debate, his reputation shaped by both his prolific experimental output and the criticisms from statistical and parapsychological communities linked to University of Cambridge scholars and international peers. His case is discussed in histories of parapsychology and in archival studies at institutions such as the British Library and university archives including those of Birkbeck and Nottingham. The episode influenced methodological reforms championed by statisticians from the Royal Statistical Society and encouraged greater emphasis on replication promoted by researchers at Duke University, Harvard University, and other centers of psychological science. His work continues to be cited in analyses by historians attached to programs at University of Oxford, University College London, and interdisciplinary studies connected to the Wellcome Trust and the history of scientific practice. Category:British mathematicians Category:Parapsychologists