Gregg L. Semenza receiving his Nobel Prize from H.M. King Carl XVI Gustaf of Sweden at Konserthuset Stockholm on 10 December 2019.

© Nobel Media. Photo: Alexander Mahmoud

Gregg L. Semenza after receiving his Nobel Prize at Konserthuset Stockholm, 10 December 2019.

© Nobel Media AB. Photo: A. Mahmoud

Gregg L. Semenza at the Nobel Banquet, 10 December 2019.

© Nobel Media. Photo: A. Mahmoud

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

Gregg L. Semenza delivering his Nobel Lecture ‘Hypoxia-Inducible Factors in Physiology and Medicine’ on 7 December 2019 at Aula Medica, Karolinska Institutet in Stockholm.

© Nobel Media. Photo: Nanaka Adachi

Like many Nobel Laureates before him, Gregg L. Semenza autographs a chair at the 2019 Nobel Laureates' Get together at the Nobel Prize Museum in Stockholm on 6 December 2019.

© Nobel Media. Photo: Clément Morin.

Gregg L. Semenza in his laboratory.

Photo: Johns Hopkins Medicine