Nobel Prize in Physiology or Medicine 1967

Ragnar Granit

Photo: Wilma Björling. Nobel Foundation archive

Prize share: 1/3

Haldan Keffer Hartline

Photo: Rockefeller University. Nobel Foundation archive

Prize share: 1/3

George Wald

Photo from the Nobel Foundation archive.

Prize share: 1/3

The Nobel Prize in Physiology or Medicine 1967 was awarded jointly to Ragnar Granit, Haldan Keffer Hartline and George Wald "for their discoveries concerning the primary physiological and chemical visual processes in the eye"

To cite this section
MLA style: The Nobel Prize in Physiology or Medicine 1967. NobelPrize.org. Nobel Prize Outreach 2025. Fri. 5 Dec 2025. <https://www.nobelprize.org/prizes/medicine/1967/summary/>

Nobel Prizes and laureates

Six prizes were awarded for achievements that have conferred the greatest benefit to humankind. The 14 laureates' work and discoveries range from quantum tunnelling to promoting democratic rights.

See them all presented here.

Illustration

Explore prizes and laureates

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