The Nobel Prize in Chemistry 2004

Aaron Ciechanover

Photo: D. Porges

Prize share: 1/3

Avram Hershko

Photo: D. Porges

Prize share: 1/3

Irwin Rose

Photo from the Nobel Foundation archive.

Prize share: 1/3

The Nobel Prize in Chemistry 2004 was awarded jointly to Aaron Ciechanover, Avram Hershko and Irwin Rose "for the discovery of ubiquitin-mediated protein degradation."

To cite this section
MLA style: The Nobel Prize in Chemistry 2004. NobelPrize.org. Nobel Media AB 2020. Sun. 22 Nov 2020. <https://www.nobelprize.org/prizes/chemistry/2004/summary/>

Back to top Back To Top Takes users back to the top of the page

Learn more

Nobel Prizes 2020

Twelve laureates were awarded a Nobel Prize in 2020, for achievements that have conferred the greatest benefit to humankind.

Their work and discoveries range from the formation of black holes and genetic scissors to efforts to combat hunger and develop new auction formats.

See them all presented here.
Nobel Prizes 2020 graphics

Explore prizes and laureates

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