Presentation Speech by Dr. A.G. Ekstrand, President of , on December 10, 1920 Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. The Swedish Academy of Sciences has decided to award the Nobel Prize for Physics 1920 to Ch.E. Guillaume, Director of the International Bureau of Weights and Measures, for the services he has rendered to…

Presentation Speech by Professor , Chairman of the Nobel Committee for Physics of , on December 10, 1922 Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. Ever since Kirchhoff and Bunsen (1860) introduced spectral analysis, that extremely important aid to investigation has produced the finest results. To begin with, material was collected and spectra were…

The following account of Stern’s and Rabi’s works is by Professor E. Hulthén, Stockholm (Broadcast lecture, 10th December, 1944) There is a certain relation between electric and magnetic phenomena in that the magnetic field can generally be ascribed to the presence of electric currents. It was in this way that the famous Ampère sought to…

Presentation Speech by Professor Bengt Nagel of the Translation from the Swedish text Your Majesties, Your Royal Highnesses, Ladies and Gentlemen, This year’s Nobel prize in Physics is shared equally between Sheldon Glashow, Abdus Salam and Steven Weinberg “for their contributions to the theory of the unified weak and electromagnetic interaction between elementary particles, including…

Presentation Speech by Professor Gösta Ekspong of the Translation from the Swedish text Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. By decision of the Royal Swedish Academy of Sciences, this year’s Nobel Prize for Physics has been awarded Professor James Cronin and Professor Val Fitch for their discovery in a joint experiment of violations…

Swedish Presentationstal av Professor Professor Börje Johansson, ledamot av , ledamot av Nobelkommittén för fysik, 10 December 2007. Professor Börje Johansson presenterar Nobelpriset i fysik 2007 i Stockholms Konserthus. Eders Majestäter, Eders Kungliga Högheter, mina damer och herrar, Årets Nobelpris i fysik handlar om magnetism och elektricitet, nämligen hur ett yttre magnetfält kan…

Presentation Speech by Professor E. Hulthén, member of Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. On 12th December 1901, Marconi succeeded in establishing wireless communication between the Old World and the New. The way in which the wireless waves proved to follow the contour of the earth compelled the assumption that there must be…

Presentation Speech by Professor C.W. Oseen, Chairman of the Nobel Committee for Physics of , on December 10, 1929 Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. Among the great problems that scientists conducting research in electrotechnique are today trying to solve, is that of enabling two men to converse in whatever part of the…

Presentation Speech by Professor Stig Lundqvist of the Translation from the Swedish text Your Majesties, Your Royal Highnesses, Ladies and Gentlemen, This year’s Nobel Prize for Physics has been awarded to Professor Klaus von Klitzing for the discovery of the quantized Hall effect. This discovery is an example of these unexpected and surprising discoveries that…

Presentation Speech by Professor I. Waller, member of Your Majesties, Royal Highnesses, Ladies and Gentlemen. By giving the Nobel Prize in Physics of this year to Sir John Cockcroft, Director of the Atomic Energy Research Establishment at Harwell, and Professor Ernest Walton of Dublin University, the Swedish Academy of Sciences has rewarded a discovery which…