(L-R) Christopher ONeill, husband of Princess Madeleine of Sweden (L) talks with Na Ji, spouse of the 2014 Nobel chemistry laureate Eric Betzig during the Nobel banquet, a traditional dinner after the Nobel Prize awarding ceremony at the Stockholm City Hall on December 10, 2014. AFP PHOTO / JONATHAN NACKSTRAND        (Photo credit should read JONATHAN NACKSTRAND/AFP/Getty Images)