50 years ago, the first CT scan let doctors see inside a living skull – thanks to an eccentric engineer at the Beatles' record company
- Written by Edmund S. Higgins, Affiliate Associate Professor of Psychiatry & Family Medicine, Medical University of South Carolina

The possibility of precious objects hidden in secret chambers can really ignite the imagination. In the mid-1960s, British engineer Godfrey Hounsfield pondered whether one could detect hidden areas in Egyptian pyramids by capturing cosmic rays that passed through...