Sir Peter J. Ratcliffe receiving his Nobel Prize from H.M. King Carl XVI Gustaf of Sweden at Konserthuset Stockholm on 10 December 2019.

© Nobel Media. Photo: Nanaka Adachi

Sir Peter J. Ratcliffe after receiving his Nobel Prize from H.M. King Carl XVI Gustaf of Sweden at Konserthuset Stockholm on 10 December 2019.

© Nobel Media AB. Photo: N. Adachi

Sir Peter J. Ratcliffe at the Nobel Banquet, 10 December 2019.

© Nobel Media. Photo: Clément Morin.

Twelve of the fifteen Nobel Laureates of 2019 assembled at the Nobel Foundation in Stockholm on 12 December 2019. Back row: James Peebles, Abhijit Banerjee, Didier Queloz, Michael Kremer, William G. Kaelin Jr and Sir Peter J. Ratcliffe. Front row: Olga Tokarczuk, Akira Yoshino, Esther Duflo, M. Stanley Whittingham, Gregg L. Semenza and Michel Mayor.

© Nobel Media. Photo: A. Mahmoud

Sir Peter J. Ratcliffe delivering his Nobel Lecture on 7 December 2019 at Aula Medica, Karolinska Institutet in Stockholm.

© Nobel Media. Photo: Alexander Mahmoud

Medicine Laureate Sir Peter J. Ratcliffe at Nobel Prize Museum.

© Nobel Media. Photo: Alexander Mahmoud

Sir Peter Ratcliffe sitting at his desk, following the announcement of the Nobel Prize in Physiology or Medicine on 7 October 2019.

Photographer: Catherine King

Sir Peter Ratcliffe at University of Oxford.

Photo: University of Oxford

Portrait of Sir Peter Ratcliffe.

University of Oxford