Sir Denys Haigh Wilkinson FRS (5 September 1922 – 22 April 2016) was a British

nuclear physicist Nuclear physics is the field of physics that studies atomic nuclei and their constituents and interactions, in addition to the study of other forms of nuclear matter. Nuclear physics should not be confused with atomic physics, which studies the ...

Life

Wilkinson was born on 5 September 1922 in

Leeds Leeds is a city in West Yorkshire, England. It is the largest settlement in Yorkshire and the administrative centre of the City of Leeds Metropolitan Borough, which is the second most populous district in the United Kingdom. It is built aro ...

Yorkshire Yorkshire ( ) is an area of Northern England which was History of Yorkshire, historically a county. Despite no longer being used for administration, Yorkshire retains a strong regional identity. The county was named after its county town, the ...

and educated at

Loughborough Grammar School Loughborough Grammar School is a 10–18 Private schools in the United Kingdom, private boys' school in the town of Loughborough, Leicestershire, England, founded in 1495 with money left in the will of Thomas Burton (merchant), Thomas Burton. To ...

and Jesus College,

Cambridge Cambridge ( ) is a List of cities in the United Kingdom, city and non-metropolitan district in the county of Cambridgeshire, England. It is the county town of Cambridgeshire and is located on the River Cam, north of London. As of the 2021 Unit ...

, graduating in 1943. After wartime work on the British and Canadian Atomic Energy projects, he returned to Cambridge in 1946, where he was awarded a PhD in 1947 and held posts culminating as Reader in Nuclear Physics from 19561957. From 1944 to 1959, he was a fellow of Jesus College, Cambridge. He was made a

Fellow of the Royal Society Fellowship of the Royal Society (FRS, ForMemRS and HonFRS) is an award granted by the Fellows of the Royal Society of London to individuals who have made a "substantial contribution to the improvement of natural science, natural knowledge, incl ...

in 1956. In 1957 he went to the

University of Oxford The University of Oxford is a collegiate university, collegiate research university in Oxford, England. There is evidence of teaching as early as 1096, making it the oldest university in the English-speaking world and the List of oldest un ...

as Professor of Nuclear Physics, and won the

Fernand Holweck Medal and Prize The Fernand Holweck Medal and Prize is a major European prize for Physics awarded jointly every year by the British Institute of Physics (IOP) and the Société Française de Physique (SFP). It is one of the four Grand Prix of the SFP and one of ...

the same year. In 1959 he became Professor of Experimental Physics at Oxford, and from 1962 to 1976 was head of the Department of Nuclear Physics. While he held his professorship at Oxford, he was a Fellow (there called a Student) of

Christ Church, Oxford Christ Church (, the temple or house, ''wikt:aedes, ædes'', of Christ, and thus sometimes known as "The House") is a Colleges of the University of Oxford, constituent college of the University of Oxford in England. Founded in 1546 by Henry V ...

. He was

knighted A knight is a person granted an honorary title of a knighthood by a head of state (including the pope) or representative for service to the monarch, the church, or the country, especially in a military capacity. The concept of a knighthood ...

in 1974. In 2001 the Nuclear Physics Laboratory at the University of Oxford, which he had helped to create, was renamed the Denys Wilkinson Building in his honour. Wilkinson served as chairman for both the Physics III Committee and the Electronic Experiments Committee at

CERN The European Organization for Nuclear Research, known as CERN (; ; ), is an intergovernmental organization that operates the largest particle physics laboratory in the world. Established in 1954, it is based in Meyrin, western suburb of Gene ...

. On leaving Oxford, he served as vice-chancellor of the

University of Sussex The University of Sussex is a public university, public research university, research university located in Falmer, East Sussex, England. It lies mostly within the city boundaries of Brighton and Hove. Its large campus site is surrounded by the ...

from 1976 to 1987. After his retirement, he was appointed emeritus professor of physics at Sussex in 1987. Wilkinson's work in nuclear physics included investigation of the properties of nuclei with low numbers of nucleons. He was amongst the first to experimentally test rules relating to

isospin In nuclear physics and particle physics, isospin (''I'') is a quantum number related to the up- and down quark content of the particle. Isospin is also known as isobaric spin or isotopic spin. Isospin symmetry is a subset of the flavour symmetr ...

. He also applied concepts from physics to the study of bird navigation. He is also notable for the invention of the

Wilkinson Wilkinson or Wilkinsons may refer to: Businesses and brands * Wilko, formerly Wilkinson Hardware, a British retail chain * Wilkinson Sword, a British manufacturer of razor blades, formerly swords, motorbikes and other products ** Wilkinson TMC ...

analog-to-digital converter In electronics, an analog-to-digital converter (ADC, A/D, or A-to-D) is a system that converts an analog signal, such as a sound picked up by a microphone or light entering a digital camera, into a Digital signal (signal processing), digi ...

, to support his experimental work. He died on 22 April 2016 at the age of 93. His papers are held at the

Churchill Archives Centre The Churchill Archives Centre (CAC) at Churchill College at the University of Cambridge is one of the largest repositories in the United Kingdom for the preservation and study of modern personal papers. It is best known for housing the papers ...

in Cambridge. He was an Honorary Fellow of Jesus College, Cambridge from 1961, and an Honorary Student of Christ Church, Oxford from 1979. He won the

Hughes Medal The Hughes Medal is a silver-gilt medal awarded by the Royal Society The Royal Society, formally The Royal Society of London for Improving Natural Knowledge, is a learned society and the United Kingdom's national academy of sciences. T ...

of the Royal Society in 1965 and the

Royal Medal The Royal Medal, also known as The Queen's Medal and The King's Medal (depending on the gender of the monarch at the time of the award), is a silver-gilt medal, of which three are awarded each year by the Royal Society. Two are given for "the mo ...

in 1980. In 1980 he received an

honorary doctorate An honorary degree is an academic degree for which a university (or other degree-awarding institution) has waived all of the usual requirements. It is also known by the Latin phrases ''honoris causa'' ("for the sake of the honour") or '' ad hon ...

from the Faculty of Mathematics and Science at

Uppsala University Uppsala University (UU) () is a public university, public research university in Uppsala, Sweden. Founded in 1477, it is the List of universities in Sweden, oldest university in Sweden and the Nordic countries still in operation. Initially fou ...

, Sweden.

References

External links

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Portrait
(1990), by Keith Clements, held at the University of Sussex {{DEFAULTSORT:Wilkinson, Denys Haigh 1922 births 2016 deaths People educated at Loughborough Grammar School Scientists from Leeds Alumni of Jesus College, Cambridge English nuclear physicists British nuclear physicists Fellows of Christ Church, Oxford Fellows of Jesus College, Cambridge Fellows of the Royal Society Honorary Fellows of the Institute of Physics Presidents of the Institute of Physics Academics of the University of Sussex Knights Bachelor Royal Medal winners People associated with CERN British expatriates in Canada