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 Prize Outreach 2025. Sat. 6 Dec 2025. <https://www.nobelprize.org/prizes/chemistry/2004/summary/>

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