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CT Scanner
1973

World's first whole-body computerized tomography machine
Dr. Robert S. Ledley of Georgetown University built this CT (computerized tomographic) diagnostic X-ray scanner in 1973. His scanner--the first whole-body machine--allowed any part of the body to be scanned without the use of a water medium. It set the fundamental design for modern "CT scanners."

Notes
Robert S. Ledley (born 1926)
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