Sir John B. Gurdon receiving his Nobel Prize from His Majesty King Carl XVI Gustaf of Sweden at the Stockholm Concert Hall, 10 December 2012. Copyright © Nobel Media AB 2012
Photo: Alexander Mahmoud

Sir John B. Gurdon after receiving his Nobel Prize at the Stockholm Concert Hall, 10 December 2012. Copyright © Nobel Media AB 2012
Photo: Alexander Mahmoud

All 2012 Nobel Laureates on stage at the Nobel Prize Award Ceremony on 10 December 2012. From left: Physics Laureates Serge Haroche and David J. Wineland, Chemistry Laureates Robert J. Lefkowitz and Brian K. Kobilka, Medicine Laureates Sir John B. Gurdon and Shinya Yamanaka, Literature Laureate Mo Yan and Laureates in Economic Sciences Alvin E. Roth and Lloyd S. Shapley.

© Nobel Media AB 2012. Photo: Alexander Mahmoud

A bird's eye picture of the Nobel Prize Award Ceremony in the Stockholm Concert Hall on 10 December 2012.

© Nobel Media AB 2012. Photo: Alexander Mahmoud

Sir John B. Gurdon with family and relatives on stage after the Nobel Prize Award Ceremony at the Stockholm Concert Hall, 10 December 2012. From left: Edward Connolly, Serena Connolly, Aurea Connolly, Oliver Connolly, Sir John B. Gurdon, Lady Jean Gurdon and Caroline Thompson.

© Nobel Media AB 2012. Photo: Alexander Mahmoud

Sir John B. Gurdon and Mrs Sedna Quimby Wineland, wife of Physics Laureate David J. Wineland, at the Nobel Banquet, 10 December 2012. Copyright © The Nobel Foundation 2012
Photo: Orasisfoto

Sir John B. Gurdon delivering his banquet speech.

© Nobel Media AB 2012. Photo: Helena Paulin-Strömberg

Sir John B. Gurdon with relatives in the Golden Hall. From left: Oliver Connolly, Sir John B. Gurdon, Serena Connolly and Aurea Connolly. Copyright © The Nobel Foundation 2012
Photo: Orasisfoto

Sir John B. Gurdon visits the Nobel Foundation on 12 December 2012 and signs the guest book. On this occasion, the Laureates retrieve the Nobel diploma and Medal, which have been displayed in the Golden Hall of the City Hall following the Nobel Prize Award Ceremony. The Laureates also discuss the details concerning the transfer of their prize money. Copyright © Nobel Media AB 2012
Photo: Niklas Elmehed

Sir John B. Gurdon takes a closer look at his Nobel Medal at the visit to the Nobel Foundation on 12 December 2012. Copyright © Nobel Media AB 2012
Photo: Niklas Elmehed

Sir John B. Gurdon delivering his Nobel Lecture The Egg and the Nucleus: A Battle for Supremacy in the Jacob Berzelius Lecture Hall at Karolinska Institutet, 7 December 2012. Copyright © The Nobel Foundation 2012
Photo: Orasisfoto

Sir John B. Gurdon (right) is greeted by Bruce A. Beutler, 2011 Nobel Laureate in Physiology or Medicine (left), at a reception at Karolinska Institutet, 7 December 2012. Copyright © The Nobel Foundation 2012
Photo: Orasisfoto

Sir John B. Gurdon at the recording of the TV-program 'Nobel Minds' in the Bernadotte Library at the Royal Palace, 7 December 2012. Copyright © Nobel Media AB 2012
Photo: Niklas Elmehed

Recording of the TV-program 'Nobel Minds', hosted by Zeinab Badawi, BBC World News, in the Bernadotte Library at the Royal Palace, 7 December 2012. Copyright © Nobel Media AB 2012
Photo: Niklas Elmehed

Sir John B. Gurdon (left) and Shinya Yamanaka (right) during their interview with Nobelprize.org on 6 December 2012. Copyright © Nobel Media AB 2012
Photo: Niklas Elmehed

The 2012 Nobel Laureates assembled for a group photo during their visit to the Nobel Museum in Stockholm, 6 December 2012. Back row, left to right: Nobel Laureate in Physics Serge Haroche, Laureate in Economic Sciences Alvin E. Roth, Nobel Laureates in Chemistry Brian K. Kobilka and Robert J. Lefkowitz, and Nobel Laureate in Physiology or Medicine Sir John B. Gurdon. Front row, left to right: Nobel Laureate in Physiology or Medicine Shinya Yamanaka, Laureate in Economic Sciences Lloyd S. Shapley and Nobel Laureate in Literature Mo Yan. Not in photo: Nobel Laureate in Physics David J. Wineland. Copyright © The Nobel Foundation 2012
Photo: Orasisfoto

Portrait of Sir John B. Gurdon.

Photo: John Overton, Brown Group, Gurdon Institute Kindly provided by Gurdon Institute

Sir John B. Gurdon celebrating the Nobel Prize in Physiology or Medicine.

Photo: Peter Williamson, Gurdon Institute Kindly provided by Gurdon Institute

Sir John B. Gurdon's science report card from Eton College, 1949.

Photo: Sir John B. Gurdon Kindly provided by Gurdon Institute

Sir John B. Gurdon in his laboratory.

Photo: Wellcome Library, London Kindly provided by Wellcome Library

Portrait of Sir John B. Gurdon.

Photo: Wellcome Library, London Kindly provided by Wellcome Library

Sir John B. Gurdon and colleagues at the Gurdon Institute's annual retreat.

Photo: John Overton, Brown Group, Gurdon Institute Kindly provided by Gurdon Institute

Sir John B. Gurdon on a kangaroo ball, investigating what it actually does feel like to be a frog.

Photo: John Overton, Brown Group, Gurdon Institute Kindly provided by Gurdon Institute

Sir John B. Gurdon in his laboratory.

Photo: University of Cambridge, Gurdon Institute Kindly provided by Gurdon Institute