Nobel Prize in Physiology or Medicine 1923
Photo from the Nobel Foundation archive.
Frederick Grant Banting
Prize share: 1/2
Photo from the Nobel Foundation archive.
John James Rickard Macleod
Prize share: 1/2
The Nobel Prize in Physiology or Medicine 1923 was awarded jointly to Frederick Grant Banting and John James Rickard Macleod "for the discovery of insulin"
Streams during Nobel Week
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.