The 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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Nobel Prizes and laureates

Fifteen laureates were awarded in 2019, for achievements that have conferred the greatest benefit to humankind.

Their work and discoveries range from how cells adapt to changes in levels of oxygen to our ability to fight global poverty.

See them all presented here.

2019 Nobel Laureates

Nobel Prizes and laureates

Six prizes were awarded for achievements that have conferred the greatest benefit to humankind. The 12 laureates' work and discoveries range from proteins' structures and machine learning to fighting for a world free of nuclear weapons.

See them all presented here.

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