Presentation Speech by Professor H. G. Söderbaum, member of the Nobel Committee for Chemistry of , on December 10, 1922 Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. As we have just seen, the conception of isotopy has mainly developed out of our knowledge of the radioactive elements, their coming into existence, their transformation, and…

Presentation Speech by Professor A. Fredga, member of the Nobel Committee for Chemistry of Your Majesty, Royal Highnesses, Ladies and Gentlemen. One of the principal aims of organic chemistry is to make clear the chemical structure of substances found in living nature. Interest has been directed particularly towards substances with vital functions or otherwise obvious…

Presentation Speech by Professor Sture Forsén of the Translation from the Swedish text Your Majesties, Your Royal Highnesses, Ladies and Gentlemen, A burning flame – a little everyday miracle that has astonished and fascinated most of us. A chemical reaction that produces heat and light and that during historical times has modified the conditions of…

Presentation Speech by Professor Salo Gronowitz of the Translation form the Swedish text Your Majesties, your Royal Highnesses, Ladies and Gentlemen, A prerequisite for all life processes is that molecules recognize each other and bind to each other in order to be able to react. The molecules are said to form complexes. The proteins in…

Presentation Speech by Professor H.G. Söderbaum, Secretary of , on December 10, 1928 Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. We hear continually that today science, in particular natural science, is becoming increasingly more specialized, that scientists are delving deeper and deeper into specialized studies difficult to survey, that the deep stream of research…

Presentation Speech by Professor Bo G. Malmström of the Translation from the Swedish text Your Majesties, Your Royal Highnesses, Ladies and Gentlemen, In the beginning there was light. Light played an important role in the origin of life on earth, and the radiation of the sun is an absolute prerequisite for the forms of life…

Presentation Speech by Professor Bo G. Malmström of the Translation from the Swedish text Your Majesty, Your Royal Highnesses, Ladies and Gentlemen, The body and soul of man is the most complex and refined chemical machine that we know. Even the simplest forms of life, for example bacteria, are almost immeasurably intricate systems compared to…

Presentation Speech by Professor Bengt Lindberg of the Translation from the Swedish text Your Majesties, Your Royal Highnesses, Ladies and Gentlemen, Chemistry is a natural science which is not entirely devoted to the study of natural objects. The art of chemistry also includes the ability on the part of the chemists to prepare or synthesize…

Presentation Speech by Dr. E.W. Dahlgren, Head Librarian of the National Library, President of , on December 10, 1911 Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. The Royal Academy of Sciences, at the session on the 7th of November of this year, decided to award the Nobel Prize for Chemistry for 1911 to Madame…

Presentation Speech by Professor H.G. Söderbaum, President of , on December 10, 1912 Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. The aim of the scientist is, or should be, to extend the limits of human knowledge. However, the roads open to him are many and he can render service in his chosen field in…