The Nobel Prize in Physics 1973
Leo Esaki, Ivar Giaever, Brian D. Josephson
Brian David Josephson
The Nobel Prize in Physics 1973 was divided, one half jointly to Leo Esaki and Ivar Giaever "for their experimental discoveries regarding tunneling phenomena in semiconductors and superconductors, respectively" and the other half to Brian David Josephson "for his theoretical predictions of the properties of a supercurrent through a tunnel barrier, in particular those phenomena which are generally known as the Josephson effects".
MLA style: "The Nobel Prize in Physics 1973". Nobelprize.org. 22 May 2013 http://www.nobelprize.org/nobel_prizes/physics/laureates/1973/