William Hayes (born 12 November 1930,

Killorglin Killorglin () is a town in County Kerry, Ireland. As of the 2016 CSO census, the town's population was 2,199. Killorglin is on the Ring of Kerry tourist route, and annual events include the August Puck Fair festival, which starts with the crown ...

) is an Irish-born physicist and academic administrator, active in the United Kingdom.

Biography

Hayes was educated at

Synge Street CBS Synge Street CBS (colloquially Synger) is a boys' non-fee-paying state school, under the auspices of the Edmund Rice Schools Trust, located in the Dublin 8 area of Dublin, Ireland. The school was founded in 1864 by Canon ...

;

University College, Dublin University College Dublin (commonly referred to as UCD) ( ga, Coláiste na hOllscoile, Baile Átha Cliath) is a public research university in Dublin, Ireland, and a collegiate university, member institution of the National University of Ireland ...

; and the

University of Oxford , mottoeng = The Lord is my light , established = , endowment = £6.1 billion (including colleges) (2019) , budget = £2.145 billion (2019–20) , chancellor ...

. Hayes came to

St John's College, Oxford St John's College is a constituent college of the University of Oxford. Founded as a men's college in 1555, it has been coeducational since 1979.Communication from Michael Riordan, college archivist Its founder, Sir Thomas White, intended to pro ...

as an Overseas Scholar in 1955. At St John's, he was

Fellow A fellow is a concept whose exact meaning depends on context. In learned or professional societies, it refers to a privileged member who is specially elected in recognition of their work and achievements. Within the context of higher education ...

and

Tutor TUTOR, also known as PLATO Author Language, is a programming language developed for use on the PLATO system at the University of Illinois at Urbana-Champaign beginning in roughly 1965. TUTOR was initially designed by Paul Tenczar for use in co ...

from 1960 to 1987; and Principal Bursar from 1977 to 1987. Hayes was a University Lecturer from 1962 to 1985, and Professor from 1985 to 1987. Hayes was

President of St John's College, Oxford A list of presidents of St John's College, Oxford: * Rev. Alexander Belsyre (1557–1559) * Rev. William Eley (1559–1560) * Rev. William Stock (1560–1564) * Rev. John Robinson (1564–1572) * Rev. Tobias Matthew (1572–1577) * Rev. Fran ...

from 1987 to 2001. He was Pro-Vice-Chancellor of the

University of Oxford , mottoeng = The Lord is my light , established = , endowment = £6.1 billion (including colleges) (2019) , budget = £2.145 billion (2019–20) , chancellor ...

from 1990 to 2001. Hayes specialised in crystals, and studied imperfections in crystals and defects in solids. He investigated the spectroscopic signatures of imperfections in alkali halides and semiconductors, using varied research techniques that included inelastic light scattering (Raman and Brillouin spectroscopy), magneto-optics (

Zeeman effect The Zeeman effect (; ) is the effect of splitting of a spectral line into several components in the presence of a static magnetic field. It is named after the Dutch physicist Pieter Zeeman, who discovered it in 1896 and received a Nobel prize ...

nuclear magnetic resonance Nuclear magnetic resonance (NMR) is a physical phenomenon in which nuclei in a strong constant magnetic field are perturbed by a weak oscillating magnetic field (in the near field) and respond by producing an electromagnetic signal with a ...

(NMR),

electron paramagnetic resonance Electron paramagnetic resonance (EPR) or electron spin resonance (ESR) spectroscopy is a method for studying materials that have unpaired electrons. The basic concepts of EPR are analogous to those of nuclear magnetic resonance (NMR), but the spin ...

(EPR) and muon spin resonance (mu-SR).

Works

His publications included the books: * ''Scattering of Light by Crystals'' (co-written with Rodney Loudon) * ''Defects and Defect Processes in Nonmetallic Solids'' (co-written with A.M. Stoneham)

Awards

In 1990 he was elected a

Fellow of the American Physical Society The American Physical Society honors members with the designation ''Fellow'' for having made significant accomplishments to the field of physics. The following lists are divided chronologically by the year of designation. * List of American Physic ...

for ''"creative applications of spectroscopy and laser techniques to the understanding of defects in solids. phase transitions, and semi-conductor physics"''

Family

Hayes married Joan Ferris in 1962. Their marriage produced three children, and lasted until her death in 1996.

References

External links

St John's College, Oxford page on William Hayes

Department of Physics, Oxford University page on William Hayes

* [https://athyeyeonthepast.blogspot.com/2014/02/william-hayes-president-st-johns.html Frank Taaffe, 'William Hayes President St. John's College Oxford'. Frank Taaffe's Eye on the Past blog, 18 February 2014] 1930 births Living people People from Killorglin People educated at Synge Street CBS Alumni of University College Dublin Fellows of St John's College, Oxford Presidents of St John's College, Oxford Fellows of the American Physical Society 20th-century Irish physicists {{Physicist-stub