Sir Godfrey Newbold Hounsfield, CBE, FRS, was an English electrical engineer who shared the 1979 Nobel Prize for Physiology or Medicine with Allan McLeod Cormack for his part in developing the diagnostic technique of X-ray computed tomography.
His name is immortalised in the Hounsfield scale, a quantitative measure of radiodensity used in evaluating CT scans. The scale is defined in Hounsfield units, running from air at −1000 HU, through water at 0 HU, and up to dense cortical bone at +1000 HU and more.
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