Who discovered X-rays?

Correct answer: Wilhelm Röntgen. Wilhelm Conrad Röntgen discovered X-rays in 1895.

Background: Wilhelm Conrad Röntgen discovered X-rays on 8 November 1895 in Würzburg, Germany.

• Edison: Edison is known for the phonograph and the practical light bulb.
• Marie Curie: Marie Curie is known for radioactivity (polonium and radium).
• Robert Bunsen: Robert Bunsen is known for the Bunsen burner.

Did you know? He called them “X” rays because their nature was unknown, and won the first Nobel Prize in Physics in 1901.

Memory trick: X = unknown → Röntgen.