Richard Gregory

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For persons of a similar name, see Richard Gregory (disambiguation).

Richard Gregory
FRSE
Gregory outside the café on St Michael's Hill, Bristol, which inspired his (re-)discovery of the "café wall illusion", February 2010
Born
Richard Langton Gregory

(1923-07-24)24 July 1923
London, England
Died17 May 2010(2010-05-17) (aged 86)
Bristol
, England
Spouses
Margaret Hope Pattison Muir
​
​
(m. 1953; div. 1966)​
Freja Mary Balchin
​
​
(m. 1967; div. 1976)​
PartnerPriscilla Heard
Children2
Awards
Michael Faraday Prize (1992)
Scientific career
FieldsPsychology, neuropsychology
InstitutionsUniversity of Bristol
Websiterichardgregory.org

Richard Langton Gregory,

FRSE (24 July 1923 – 17 May 2010) was a British psychologist and Professor of Neuropsychology at the University of Bristol
.

Life and career

Richard Gregory was born in London. He was the son of

University of London Observatory, and his first wife, Helen Patricia (née Gibson).[1][2]

Gregory served with the Royal Air Force's Signals branch during World War II, and after the war earned an RAF scholarship to Downing College, Cambridge.[3] He was made an Honorary Fellow of Downing in 1999.[citation needed]

In 1967, with Prof. Donald Michie and Prof. Christopher Longuet-Higgins, he founded the Department of Machine Intelligence and Perception, a forerunner of the Department of Artificial Intelligence, at the University of Edinburgh. He was Head of the Bionics Research Laboratory, Professor of Bionics, and Department Chairman 1968–70. Gregory was founding editor of the journal Perception (1972), which emphasized phenomenology and novel percepts produced by new stimuli.[4] He was a founding member of the Experimental Psychology Society and served as its president in 1981–1982.

He collaborated with W. E. Hick for the latter's influential paper "On the rate of gain of information". He commented: "I was the only subject for his gain of information experiment to complete the course, as he was the only other subject and he packed it in when the apparatus fell apart."[5]

In 1981, he founded

San Francisco, California
.

Gregory has called Hermann von Helmholtz one of his major inspirations.[8]

He appeared on, or was an advisor to, numerous science-related television programmes in the UK and worldwide. His particular interest was in

optical illusions and what these revealed about human perception. He wrote and edited several books, notably Eye and Brain and Mind in Science. One of his hobbies was punning (making puns). In April 1993, he was the guest for BBC Radio 4's Desert Island Discs, where his favourite choice was Beethoven's Piano Sonata No. 30.[9]

Having suffered a stroke a few days earlier, he died on 17 May 2010 at the Bristol Royal Infirmary, surrounded by family and friends.

Lectures

In 1967, he delivered the Royal Institution Christmas Lectures on The Intelligent Eye.

Contribution

Gregory's main contribution to the discipline was in the development of

hearing
.

According to Gregory, Helmholtz should take the credit for realising that perception is not just a passive acceptance of stimuli, but an active process involving memory and other internal processes.[10]

Gregory progressed this idea with a key

hypothetico-deductive process. Although this takes place on a quite different time-scale, and inside one head instead of a community, nevertheless, according to Gregory, perception shares many traits with scientific method. A series of works by Gregory developed this idea in some detail.[11][12][13]

Kanizsa triangle showing illusory contours

Gregory's ideas ran counter to those of the American

J. J. Gibson, whose 1950 The Perception of the Visual World was dominant when Gregory was a younger man. Much in Gregory's work can be seen as a reply to Gibson's ideas, and as the incorporation of explicitly Bayesian concepts into the understanding of how sensory evidence is combined with pre-existing ("prior") beliefs.[14] Gregory argued that optical illusions, such as the illusory contours in the Kanizsa triangle, demonstrated the Bayesian processing of perceptual information by the brain.[15]

Works

  • Recovery from Early Blindness: A Case Study (1963), with Jean Wallace, Exp. Soc. Monogr. No.2. Cambridge: Heffers. {C & M of P. pp. 65–129}.
  • Eye and Brain: The Psychology of Seeing (1966), London: Weidenfeld and Nicolson. [in twelve languages]. Second Edition (1972). Third Edition (1977). Fourth Edition (1990). USA: Princeton University Press; (1994) Oxford: Oxford University Press. Fifth Edition (1997) Oxford University Press and (1998) Princeton University Press.
  • The Intelligent Eye (1970), London: Weidenfeld and Nicolson. [in 6 languages].
  • Illusion in Nature and Art (1973), (ed. with Sir Ernst Gombrich), London: Duckworth.
  • Concepts and Mechanisms of Perception (1974), London: Duckworth. [collected papers].
  • Mind in Science: A History of Explanations of Psychology and Physics (1981), London: Weidenfeld and Nicolson; USA: CUP. Paperback, Peregrine (1984). (Macmillan Scientific Book Club choice). Transl. Italian, La Mente nella Scienze, Mondadori (1985).
  • Odd Perceptions [essays] (1986), London: Methuen. Paperback (1988) Routledge. (2nd edition 1990–91).
  • Creative Intelligences (1987), (ed. with Pauline Marstrand), London: Frances Pinter.
    ISBN 0-86187-673-3
    .
  • Oxford Companion to the Mind (1987), (ed., with Zangwill, O.), Oxford: OUP. [translated into Italian, French, Spanish. In TSP Softbacks, and other Book Clubs]. (Paperback 1998).
  • Evolution of the Eye and Visual System (1992), (ed. with John R. Cronly-Dillon), vol. 2 of Vision and Visual Dysfunction. London: Macmillan.
  • Even Odder Perceptions (1994), [essays]. London: Routledge.
  • The Artful Eye (1995), (ed. with J. Harris, P. Heard and D. Rose). Oxford: OUP
  • Mirrors in Mind (1997), Oxford: W. H. Freeman/Spektrum. (1998) Penguin.
  • The Mind Makers (1998), London: Weidenfeld and Nicolson.
  • Seeing Through Illusions (2009), OUP.
  • Main journal publications at http://www.richardgregory.org/

Degrees

Year Degree
1950 M.A. (Cantab)
1983 D.Sc. (Bristol)

Honorary degrees

Year Honorary degree
1990 D. Univ. (Open)
D. Univ. (Stirling)
1993 LL.D (Bristol)
1996 D.Sc. (East Anglia)
D.Sc. (Exon)
1998 D.Univ. (York)
D.Sc. (U.M.I.S.T.)
1999 D.Sc. (Keele)
2000 D.Sc. (Edinburgh)

Family

In 1953, he married Margaret Hope Pattison Muir, one son, one daughter (marriage dissolved 1966). In 1967, he married Freja Mary Balchin,

Elizabeth and Nigel Balchin, (marriage dissolved 1976). Gregory is survived by two children (Mark and Romilly Gregory), two grandchildren (Luutsche Ozinga and Kiran Rogers) and his long term companion Priscilla Heard.[17]

See also

References

  1. ^ Brennan, J. (7 July 2010). "Richard Gregory (1923–2010)". The Psychologist. 23: 541.
  2. ISSN 0080-4606
    .
  3. ^ "Richard Gregory: experimental psychologist". The Times. 19 May 2010. Retrieved 23 May 2010.
  4. ^ "Professor Richard Gregory". The UCL Centre for the History of Medicine. University College London. Retrieved 8 August 2016.
  5. ^ Gregory, R. L. "Reflections on Early Days: Past Perceptions". Experimental Psychology Society. Retrieved 11 November 2017.
  6. ^ "The Exploratory – History". www.exploratory.org.uk. Retrieved 8 August 2016.
  7. ^ "The Exploratory – History". www.exploratory.org.uk. Retrieved 24 December 2018.
  8. ^ "One on One with Richard Gregory", The Psychologist, vol. 21, no 6, June 2008, p. 568.
  9. ^ "Richard Gregory, Desert Island Discs – BBC Radio 4". BBC. Retrieved 28 December 2016.
  10. ISBN 0-19-866124-X
  11. ISBN 0-691-04837-1
  12. ISBN 0-297-00021-7
  13. ISBN 0-7156-0556-9
  14. ^ Transcript of interview with Gregory in "Today's Neuroscience, Tomorrow's History" Archive, Wellcome Trust 2008
  15. PMID 16700285
    .
  16. ^ GRO Register of Marriages: JUN 1967 5d 1808 ST PANCRAS – Richard L. Gregory = Freja M. Balchin
  17. ^ "Professor Richard Gregory". Telegraph. 24 May 2010. Retrieved 13 October 2015.

External links

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