George Gray (chemist)

British organic chemist

George Gray

Born|

George William Gray

4 September 1926
Died| 12 May 2013 (aged 86)
Occupation| Professor of Organic Chemistry
Spouse|

Marjorie Canavan

(m. 1953⁠-⁠2013)​

George William Gray CBE FRS (4 September 1926 – 12 May 2013) was a Professor of Organic Chemistry at the University of Hull who was instrumental in developing the long-lasting materials which made liquid crystal displays possible. He created and systematically developed liquid crystal materials science, and established a method of practical molecular design. Gray was recipient of the 1995 Kyoto Prize in Advanced Technology.[1]

## Education and career

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Born in Denny, Scotland,[2] Gray was educated at the University of Glasgow and while working as an assistant lecturer at the University College in Hull (then part of the University of London) obtained his PhD in 1953.[3]

He developed his academic career at the college, which became the University of Hull in 1954, from 1946 to 1990. He was appointed senior lecturer in 1960, Professor of Organic Chemistry in 1974, and GF Grant Professor of Chemistry in 1984.[3] He remained an Emeritus Professor at Hull.[4]

In 1990 he joined the chemical company Merck, then became an independent consultant in 1996.[3]

## Liquid crystals

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Demonstration digital clock using cyanobiphenyl liquid crystals made at the Royal Radar Establishment in 1973

In 1973, in conjunction with the Royal Radar Establishment, Gray showed that 4-Cyano-4'-pentylbiphenyl possessed a stable nematic phase at room temperature.[5] This compound and other long-lasting cyano-biphenyls made the twisted nematic display (LCD) popular. Gray wrote the first English book on liquid crystals, "Molecular Structure and Properties of Liquid Crystals", published in 1962.[6]

Gray was recipient of the 1995 Kyoto Prize in Advanced Technology and was made a Commander of the Order of the British Empire (CBE) in 1991. He was elected a Fellow of the Royal Society in 1983, and in 1987 was awarded the Leverhulme Medal of the Royal Society. In 1979 he was awarded the Rank Prize for Opto-electronics and in 1996 the SID Karl Ferdinand Braun Prize. The University of Hull was the first university to be awarded the Queen's Award for Technological Achievement, in 1979, for the liquid crystal joint-development work.[4] Gray has been a Director of the International Liquid Crystal Society. Members of the British Liquid Crystal Society honoured his achievements by establishing the George W. Gray Medal for contributions to liquid crystal research and technology.[7]

In March 2013, the University of Hull celebrated the 40th anniversary of Gray's seminal paper being published on 22 March 1973.[8]

Hull Trains named their first British Rail Class 222 'Pioneer' high-speed train Professor George Gray in recognition of his achievements in the modern history of Hull.[9][10]

## Personal life

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In 1953 George Gray married Marjorie Canavan, who died two weeks before her husband. In later life they lived in Furzehill in Wimborne Minster, Dorset. They had three daughters.[3]

## References

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1. ^ "George William Gray - Biography". The 1995 Kyoto Prize - Advanced Technology. Inamori Foundation. Archived from the original on 24 June 2010. Retrieved 2 May 2010.
2. ^ John Goodby and Peter Raynes (21 May 2013). "George Gray obituary". The Guardian. Retrieved 11 November 2013.
3. ^ a b c d "Obitury: Professor George Gray". Daily Telegraph. 6 June 2013. Retrieved 22 June 2013.
4. ^ a b George W. Gray (January 1998). "Reminiscences from a life with liquid crystals". Liquid Crystals. 24 (1): 5–14\. doi:10.1080/026782998207523.5-14&rft.date=1998-01&rft_id=info:doi/10.1080/026782998207523&rft.au=George+W.+Gray&rfr_id=info:sid/en.wikipedia.org:George+Gray+(chemist)" class="Z3988">
5. ^ "George Gray: Liquid Perfection". Null Hypothesis. Retrieved 2 May 2010.
6. ^ "Applications of Liquid Crystals". Liquid Crystal Group, University of Hamburg. 28 May 2001. Archived from the original on 28 May 2001. Retrieved 2 May 2010.
7. ^ "Upcoming Events - George W. Gray". Liquid Crystal Institute, kent State University. 6 June 1997. Archived from the original on 19 July 2011. Retrieved 2 May 2010.
8. ^ "The screen you're reading this on was inspired in Hull 40 years ago..." University of Hull. 20 March 2013. Archived from the original on 30 May 2013. Retrieved 14 May 2013.
9. ^ "New fleet named to celebrate modern "Pioneers"". Hull Trains. 17 April 2007. Archived from the original on 17 April 2007. Retrieved 2 May 2010.
10. ^ Martin A. Bates (1 July 2005). "George Gray honoured as a "Hull Pioneer"". The Liquid Crystal & Advanced Materials Group, University of York. Archived from the original on 18 July 2011. Retrieved 2 May 2010.

## Further reading

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* John W. Goodby; Peter Raynes (2016). "George William Gray". Biographical Memoirs of Fellows of the Royal Society. doi:10.1098/rsbm.2016.0001.
* David Dunmur & Tim Sluckin (2011) Soap, Science, and Flat-screen TVs: a history of liquid crystals, pp 201,221-5, Oxford University Press ISBN 978-0-19-954940-5
* "Liquid Crystal Displays (1973-1982)". Malvern Radar and Technology History Society. 2016.

## External links

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* The History of Liquid Crystals at the University of Hull
* George William Gray, Kyoto Prize biography
* George William Gray, Kyoto Prize citation
* George Gray - Liquid Perfection
* Interview With George Gray, The Vega Science Trust
* The history of liquid-crystal displays, Hirohisa Kawamoto, Proceedings of the IEEE, Vol. 90, No. 4, April 2002
* G. W. Gray, K. J. Harrison, J. A. Nash "New family of nematic liquid crystals for displays" Electronics Lett. 9 (1973) 130
* Celebrating 40 years of LCD research, University of Hull

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