Nobel Prize

Presentation Speech by Dr. A.G. Ekstrand, President of , on June 1, 1920 Ladies and Gentlemen. The Royal Academy of Sciences has decided to award the Nobel Prize for Physics, for the year 1918, to Geheimrat Dr. Max Planck, professor at Berlin University, for his work on the establishment and development of the theory of…

Presentation Speech by Professor , Chairman of the Nobel Committee for Physics of , on December 10, 1925 Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. The Royal Academy of Sciences has this year awarded the Nobel Prize for Physics for 1924 to Karl Manne Georg Siegbahn, Professor at the University of Uppsala, for his…

Presentation Speech by Professor C.W. Oseen, member of the Nobel Committee for Physics of , on December 10, 1926 Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. The Physics Nobel Prize for the year 1925 has been awarded to Professor James Franck and Professor Gustav Hertz for their discovery of the laws governing the impact…

Presentation Speech by Professor C.W. Oseen, member of the Nobel Committee for Physics of , on December 10, 1926 Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. Nature can be physically explained in two ways. When a group of phenomena is to be understood, we can seek to deduce, on the basis of observations, general…

Presentation Speech by Professor , member of the Nobel Committee for Physics of , December 10, 1927 Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. The Royal Academy of Sciences has awarded this year’s Nobel Prize in Physics to Professor Arthur Holly Compton of the University of Chicago for the discovery of the phenomenon named…

Presentation Speech by Professor H. Pleijel, Chairman of the Nobel Committee for Physics of , on December 10, 1935 Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. This year like two years ago the Academy of Sciences awards the Nobel Prize for Physics as a reward for discoveries in the world of atoms and molecules.…

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 I. Waller, member of the , on December 10, 1945 Your Majesty, Royal Highnesses, Ladies and Gentlemen. Rutherford gave an impulse of fundamental importance to research in atomic structure when in 1911 he found that an essential part of an atom is a positively charged nucleus in which practically the whole…

Presentation Speech by Professor , member of the Your Majesties, Your Royal Highnesses, Ladies and Gentlemen. The discovery of the phenomenon now known as the Cerenkov effect, for which the Nobel Prize is today being awarded, is an interesting example of how a relatively simple physical observation, if followed through in the right way, can…

Presentation Speech by Professor , member of Your Majesties, Your Royal Highnesses, Ladies and Gentlemen. Surely we all have often admired the beautiful white streaks which are left against the blue heaven by a highflying jet airplane. These streaks are made up of very small, finely divided waterdrops which have been condensed into a cloud…