Nobel Prize in Physiology or Medicine 1946

Hermann Joseph Muller

Photo: Harris & Ewing. Nobel Foundation archive

Prize share: 1/1

The Nobel Prize in Physiology or Medicine 1946 was awarded to Hermann Joseph Muller "for the discovery of the production of mutations by means of X-ray irradiation"

To cite this section
MLA style: The Nobel Prize in Physiology or Medicine 1946. NobelPrize.org. Nobel Prize Outreach 2025. Sat. 6 Dec 2025. <https://www.nobelprize.org/prizes/medicine/1946/summary/>

Go to the top of the page

Streams during Nobel Week

Coming up

Watch the 2025 Nobel Prize lectures, Nobel Week Dialogue, the prize award ceremonies in Oslo and Stockholm and Nobel Peace Prize Forum here at nobelprize.org.

Explore prizes and laureates

Look for popular awards and laureates in different fields, and discover the history of the Nobel Prize.