Nobel Prize in Physiology or Medicine 2019

William Kaelin official Nobel portrait

© Nobel Media. Photo: A. Mahmoud

Prize share: 1/3

Sir Peter J. Ratcliffe

© Nobel Media. Photo: A. Mahmoud

Prize share: 1/3

Gregg L. Semenza

© Nobel Media. Photo: A. Mahmoud

Prize share: 1/3

The Nobel Prize in Physiology or Medicine 2019 was awarded jointly to William G. Kaelin Jr, Sir Peter J. Ratcliffe and Gregg L. Semenza "for their discoveries of how cells sense and adapt to oxygen availability"

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MLA style: The Nobel Prize in Physiology or Medicine 2019. NobelPrize.org. Nobel Prize Outreach 2025. Mon. 21 Apr 2025. <https://www.nobelprize.org/prizes/medicine/2019/summary/>

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