Louis Harold Gray

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Louis Harold Gray
LH Gray and J Boag at construction of the Gray Lab, Mount Vernon.png
LH Gray (left) and J Boag supervising construction of the Gray Laboratory at Mount Vernon Hospital in north London.
Born(1905-11-10)10 November 1905
Died9 July 1965(1965-07-09) (aged 59)
Known forBragg–Gray cavity theory
Gray (unit)
AwardsFellow of the Royal Society[2]
Scientific career
Author abbrev. (botany)

Louis Harold Gray FRS (10 November 1905 – 9 July 1965) was an English physicist who worked mainly on the effects of radiation on biological systems. He was one of the earliest contributors of the field of radiobiology. A summary of his work is given below. Amongst many other achievements, he defined a unit of radiation dosage which was later named after him as an SI unit, the gray.[4][5]



  1. ^ "LH Gray Memorial Trust: About L.H. Gray".
  2. ^ Loutit, J. F.; Scott, O. C. A. (1966). "Louis Harold Gray 1905-1965". Biographical Memoirs of Fellows of the Royal Society. 12 (2): 195–217. Bibcode:1966PMB....11..329.. doi:10.1098/rsbm.1966.0009. S2CID 73328020.
  3. ^ International Plant Names Index.  L.H.Gray.
  4. ^ Louis Harold Gray F.R.S. - a chronology, CRUK/MRC Oxford Institute, 29 June 2000, archived from the original on 7 April 2014, retrieved 4 April 2014
  5. ^ Slipman, Curtis W.; Chou, Larry H.; Derby, Richard; Simeone, Frederick A.; Mayer, Tom G. (2008), Interventional spine: an algorithmic approach, Elsevier Health Sciences, p. 230–231, ISBN 978-0-7216-2872-1

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