who discovered xrays

X‑rays were discovered by German physicist Wilhelm Conrad Röntgen in 1895.

Who discovered X‑rays?

• Wilhelm Conrad Röntgen, a physics professor in Würzburg, Bavaria, first identified and described X‑rays on 8 November 1895 while experimenting with cathode ray tubes.

• He published his findings in a paper titled “On a New Kind of Rays” on 28 December 1895, formally introducing X‑rays to the scientific community.

How the discovery happened

• Röntgen noticed that a fluorescent screen across the room glowed even though his cathode-ray tube was covered in black cardboard, revealing a new, penetrating radiation.

• Because he did not know the nature of this radiation, he called them “X‑rays,” with “X” meaning unknown.

Early impact and legacy

• Within a year, X‑rays began to be used widely in medicine to visualize bones and internal structures without surgery, rapidly transforming diagnostics.

• Röntgen received the very first Nobel Prize in Physics in 1901 for this discovery, cementing his place in scientific history.

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