Oliver Smithies receiving his Nobel Prize from His Majesty King Carl XVI Gustaf of Sweden at the Stockholm Concert Hall, 10 December 2007. Copyright © The Nobel Foundation 2007
Photo: Hans Mehlin

Oliver Smithies after receiving his Nobel Prize at the Stockholm Concert Hall, 10 December 2007. Copyright © The Nobel Foundation 2007
Photo: Hans Mehlin

Oliver Smithies conversing with Dr Ylwa Westerberg at the Nobel Banquet on 10 December 2007.

© The Nobel Foundation 2007. Photo: Stig-Göran Nilsson

Oliver Smithies delivering his banquet speech.

© Nobel Media AB 2007. Photo: Hans Mehlin

Their Majesties Queen Silvia and King Carl XVI Gustaf of Sweden with Oliver Smithies and his wife, Professor Nobuyo Maeda at the Nobel Banquet.

© The Nobel Foundation 2007. Photo: Stig-Göran Nilsson

All the 2007 Nobel Laureates assembled for a group photo during the Nobel Foundation reception at the Nordic Museum in Stockholm, 9 December 2007. Back row, left to right: Nobel Laureates in Physiology or Medicine Oliver Smithies, Mario R. Capecchi and Sir Martin J. Evans; Economics Laureates Roger B. Myerson and Eric S. Maskin. Front row, left to right: Nobel Laureate in Physics Peter Grünberg, Nobel Laureate in Chemistry Gerhard Ertl and Nobel Laureate in Physics Albert Fert. Copyright © The Nobel Foundation 2007
Photo: Stig-Göran Nilsson

Oliver Smithies (left) surrounded by interested students during the Nobel Foundation reception at the Nordic Museum in Stockholm, 9 December 2007. Copyright © Nobel Media AB 2007
Photo: Annalisa B. Andersson

Oliver Smithies (left) during the Nobel Foundation reception at the Nordic Museum in Stockholm, 9 December 2007. Copyright © Nobel Media AB 2007
Photo: Annalisa B. Andersson

Oliver Smithies signing autographs after delivering his Nobel Lecture at Karolinska Institutet in Stockholm, 7 December 2007.

Copyright © Nobel Web AB 2007 Photo: Hans Mehlin

Oliver Smithies delivering his Nobel Lecture at Karolinska Institutet in Stockholm, 7 December 2007. Copyright © Nobel Media AB 2007
Photo: Hans Mehlin

Oliver Smithies (left), Mario R. Capecchi (middle) and Sir Martin J. Evans (right) at their interview with Nobelprize.org in Stockholm, 6 December 2007. Copyright © Nobel Media AB 2007
Photo: Hans Mehlin

Oliver Smithies, like many Nobel Laureates before him, autographs a chair at Kafé Satir at the Nobel Museum in Stockholm, 6 December 2007. His wife, Professor Nobuyo Maeda, was also attending the event.

Copyright © The Nobel Museum 2007 Photo: Henrik Montgomery