description Wilhelm Conrad Röntgen Overview
Wilhelm Conrad Röntgen was a German physicist and mechanical engineer who discovered X-rays in 1895 while experimenting with cathode rays at the University of Würzburg. Because the nature of the radiation was unknown, he termed it X-radiation, a name that was adopted internationally. His discovery revolutionized medical diagnostics by allowing physicians to view the interior of the human body without surgery. In recognition of his work, he was awarded the first Nobel Prize in Physics in 1901.
help Wilhelm Conrad Röntgen FAQ
Why did Röntgen call his discovery X-rays?
He used X to represent an unknown form of radiation while investigating electrical discharges in vacuum tubes in 1895. The term remained standard in English, although German also uses Röntgenstrahlen in his honor.
What was shown in Röntgen's famous first medical X-ray image?
One of his best-known early radiographs showed the bones of his wife Anna Bertha's hand and her wedding ring. The image quickly demonstrated that the new rays could reveal structures hidden inside the body.
Did Röntgen patent the X-ray process?
No. Röntgen declined to patent the discovery because he wanted its medical and scientific benefits to remain broadly available. He also donated the money from his 1901 Nobel Prize to the University of Würzburg.
How quickly did doctors begin using X-rays after the discovery?
Medical experiments followed within weeks of Röntgen's first paper in late 1895. By 1896, physicians were already using radiographs to locate fractures and foreign objects such as bullets.
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