Randy W. Schekman receiving his Nobel Prize from His Majesty King Carl XVI Gustaf of Sweden at the Stockholm Concert Hall, 10 December 2013.

© Nobel Media. Photo: Alex Ljungdahl

Randy W. Schekman after receiving his Nobel Prize from His Majesty King Carl XVI Gustaf of Sweden at the Stockholm Concert Hall, 10 December 2013.

© Nobel Media. Photo: Alex Ljungdahl

The Medicine Laureates at the Stockholm Concert Hall, 10 December 2013. From left: James E. Rothman, Randy W. Schekman and Thomas C. Südhof.

© Nobel Media. Photo: Alex Ljungdahl

An overview of the 2013 Nobel Prize Award Ceremony at the Stockholm Concert Hall.

© Nobel Media AB 2013. Photo: Alex Ljungdahl

The 2013 Nobel Laureates on stage at the Nobel Prize Award Ceremony. From left: Physics Laureates François Englert and Peter Higgs, Chemistry Laureates Martin Karplus, Michael Levitt and Arieh Warshel, Medicine Laureates James E. Rothman, Randy W. Schekman and Thomas C. Südhof and Laureates in Economic Sciences Eugene F. Fama, Lars Peter Hansen and Robert J. Shiller.

Copyright © Nobel Media. Photo: Alex Ljungdahl

From left: Physics Laureates François Englert and Peter Higgs, Chemistry Laureates Martin Karplus, Michael Levitt and Arieh Warshel and Medicine Laureates James E. Rothman, Randy W. Schekman and Thomas C. Südhof.

Copyright © Nobel Media. Photo: Alex Ljungdahl

Randy W. Schekman arrives at the Nobel Banquet in the Stockholm City Hall together with his daughter, Mrs Lauren Schekman, 10 December 2013.

© Nobel Media AB 2013. Photo: Helena Paulin-Strömberg

Mrs Jenny Munro and Medicine Laureate Randy W. Schekman proceed into the Blue Hall of the Stockholm City Hall for the Nobel Banquet, 10 December 2013. Copyright © Nobel Media AB 2013
Photo: Helena Paulin-Strömberg

Randy W. Schekman makes his way to the grand stairway to deliver his banquet speech.

© Nobel Media AB 2013. Photo: Helena Paulin-Strömberg

Randy W. Schekman delivering his banquet speech.

© Nobel Media AB 2013. Photo: Niklas Elmehed

Randy W. Schekman offers a toast to the Swedish hosts. Copyright © Nobel Media AB 2013
Photo: Helena Paulin-Strömberg

The Swedish Royal Family receive the Laureates and their significant others in the Prince's Gallery after the Nobel Banquet. From left to right: Prince Carl Philip, Nobel Laureate Thomas C. Südhof, Mrs Chen Lu, Mrs Joy Hirsch, Nobel Laureate James E. Rothman, His Majesty King Carl XVI Gustaf of Sweden, Nobel Laureate Randy W. Schekman, Mrs Lauren Schekman, Her Majesty Queen Silvia and Prince Daniel.

Copyright © Nobel Media. Photo: Alex Ljungdahl

Randy W. Schekman showing his Nobel Medal during his visit to the Nobel Foundation on 11 December 2013. 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 2013
Photo: Niklas Elmehed

Medicine Laureates Randy W. Schekman and James E. Rothman during their visit to the Nobel Foundation on 11 December 2013. Copyright © Nobel Media AB 2013
Photo: Alexander Mahmoud

Randy W. Schekman delivering his Nobel Lecture Genetic and Biochemical Dissection of the Secretory Pathway in the Aula Medica at Karolinska Institutet, 7 December 2013.

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Randy W. Schekman delivering his Nobel Lecture in the Aula Medica at Karolinska Institutet, 7 December 2013.

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All three Nobel Laureates in Physiology or Medicine assembled for the Nobel Lectures in the Aula Medica at Karolinska Institutet, 7 December 2013.

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Randy W. Schekman during the interview with Nobelprize.org on 6 December 2013. Copyright © Nobel Media AB 2013
Photo: Niklas Elmehed

Like many Nobel Laureates before him, Randy Schekman autographs a chair at Bistro Nobel at the Nobel Museum in Stockholm, 6 December 2013. Copyright © Nobel Media AB 2013
Photo: Niklas Elmehed

James Rothman (left) and Randy Schekman (right) in an animated discussion at the Nobel Museum in Stockholm, 6 December 2013. Copyright © Nobel Media AB 2013
Photo: Niklas Elmehed

A chair signed by all 2013 Medicine Laureates at the Nobel Museum in Stockholm, 6 December 2013. Copyright © Nobel Media AB 2013
Photo: Niklas Elmehed