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50 years ago, the first CT scan let doctors see inside a living skull – thanks to an eccentric engineer at the Beatles' record company

By Edmund S. Higgins, Affiliate Associate Professor of Psychiatry & Family Medicine, Medical University of South Carolina
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On Oct. 1, 1971, Godfrey Hounsfield’s invention took its first pictures of a human brain, using X-rays and an ingenious algorithm to identify a woman’s tumor from outside of her skull.


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