CT History & Development

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1917Johann Radon demonstrated that the image of a 3-dimensional object can be recostructed from an infinite number of 2-dimsneisonal projections of the object
1956Ronald Bracewell publishes paper mapping sunspots using a series of one-dimensional images to reconstruct a two-dimensional image using Fourier transform
1958William Oldendorf builds a model CT scanner without a computer
1960Oldendorf applies for a patent for his model
1963Alan Cormack publishes results from experimental scanner using a computer to reconstruct images from data
1966David Kuhl publishes paper with the transmission images of a subject's thorax
1967Bracewell reconstructs lunar images without using Fourier transforms
1968EMI patents Godfrey Hounsfieild's method apparatus and the apparatus for scanning the body with X-rays
1971The first CT scanner, limited to the head, demonstrated by EMI at Atkinson Morley's hospital in London
1972The first CT scanner demonstrated in the United States
1973Robert Ledley markets ACTA, a whole body CT scanner
1975Second gerneration Delta CT scanners are marketed
GEs third generation CT scanners are marketed
1979Cormack and Hounsfield are awarded the Nobel Prize in Medicine for the invention of CT
1985Superfast CT is developed by Douglas Boyd
1989First spiral CT enters the market


Hendee, W. R. (1989). Cross sectional medical imaging: A history. Radiographics, 9(6), p.1155-1180

Holtzmann Kevles, B. (1998). Naked to the bone: Medical imaging in the twentieth century. Rutgers University Press, New Brunswick, NJ.

Siemens Medical. Computed Tomography: Its History and Technology. Retrieved from <a class="external" href="http://www.medical.siemens.com/siemens/zh_CN/gg_ct_FBAs/files/brochures/CT_History_and_Technology.pdf" rel="nofollow" target="_blank">http://www.medical.siemens.com/siemens/zh_CN/gg_ct_FBAs/files/brochures/CT_History_and_Technology.pdf</a>