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H. Christopher Longuet-Higgins

Christopher Longuet-Higgins
Born Hugh Christopher Longuet-Higgins
(1923-04-11)11 April 1923
Lenham, Kent, England
Died 27 March 2004(2004-03-27) (aged 80)
Institutions King's College London
University of Chicago
University of Manchester
University of Cambridge
University of Edinburgh
University of Sussex
Alma mater University of Oxford (BA, DPhil)
Thesis Some problems in theoretical chemistry by the method of molecular orbitals (1947)
Doctoral advisor Charles Coulson
Doctoral students
Notable awards FRS
Naylor Prize and Lectureship (1981)
FRSE
FRSA

(Hugh) Christopher Longuet-Higgins FRS (April 11, 1923 – March 27, 2004) was both a theoretical chemist and a cognitive scientist.

Longuet-Higgins was born on 11 April 1923 in Lenham, Kent, England. His father was Henry H. L. Longuet-Higgins and his mother was Albinia Cecil Bazeley. He was educated at The Pilgrims' School, Winchester, and Winchester College. In 1941, he won a scholarship to Balliol College, Oxford. He read chemistry, but also took Part I of a degree in Music. He was a Balliol organ scholar. As an undergraduate he proposed the correct structure of the chemical compound diborane (B2H6), which was then unknown because it turned out to be different from structures in contemporary chemical valence theory. This was published with his tutor, R. P. Bell. He completed a Doctor of Philosophy degree in 1947 at the University of Oxford under the supervision of Charles Coulson.

After his PhD, he did postdoctoral research at the University of Chicago and the University of Manchester. In 1952, he was appointed Professor of Theoretical Physics at King's College London, and in 1954 was appointed John Humphrey Plummer Professor of Theoretical Chemistry at the University of Cambridge, and a Fellow of Corpus Christi College, Cambridge. He became interested in the brain and the new field of artificial intelligence. As a consequence, in 1967, he made a major change in his career by moving to the University of Edinburgh to co-found the Department of Machine intelligence and perception, with Richard Gregory and Donald Michie.


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