The Nobel Prize in Physiology or Medicine 2019 William G. Kaelin Jr Sir Peter J. Ratcliffe Gregg L. Semenza From left to right, the winners of the 2019 Nobel Prize in physiology or medicine, Gregg Semenza of the U.S., Peter Ratcliffe of Britain and William Kaelin of the U… Sir Peter J Ratcliffe has been named as winner … Nobel Prize in Medicine jointly awarded to William Kaelin Jr, Sir Peter Ratcliffe and Gregg Semenza - CNN The 2019 Nobel Prize in Medicine has been jointly awarded to William Kaelin Jr… 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." To cite this section Takes users back to the top of the page Professor Sir Peter J Ratcliffe, Director for the Target Discovery Institute within the Nuffield Department of Medicine at Oxford University and Director of Clinical Research at Francis Crick Institute, London, has today been announced as a winner of the Nobel Prize in Physiology or Medicine. A British doctor who graduated from Cambridge University is among three people who have won the Nobel prize for medicine. Nobel prize in medicine awarded to hypoxia researchers This article is more than 6 months old William Kaelin, Sir Peter Ratcliffe and Gregg Semenza worked out …