American Ph.D. physicist and engineer William David Coolidge, was the General Electric Research Laboratory director and vice-president of the corporation formed by Thomas Edison in the late 1800s. In 1923, he invented the Coolidge Tube, the X-ray tube used in machines that provide visualisations of anatomy and tumours. The tube utilised a tungsten filament that was critical in the development of radiology; his basic design is still used today. Coolidge was awarded the Rumford Prize in 1914 and the Engineers Edison Medal in 1927 for his contributions to incandescent electric lighting and X-ray technology.
US Patent Number: 1,946,312
Invention: X-ray Tube
Inventor: W. D. Coolidge
Year: 1934
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