Chemistry
Karl Ziegler – Biographical
Biographical
Karl Ziegler was born in Helsa near Kassel in Germany, on November 26, 1898. He graduated in 1920 under Prof. von Auwers at the University of Marburg/Lahn, and qualified as a lecturer in 1923. After working for a short period at the University of Frankfurt/Main, he spent 10 years as a lecturer at Heidelberg. His…
moreAward ceremony speech
Award ceremony speech
Presentation Speech by Professor Hj. Théel, President of on December 10, 1902 Your Majesty, Your Royal Highnesses, Ladies and Gentlemen. The Royal Academy of Sciences has resolved to award the 1902 Nobel Prize for Chemistry to Dr. Emil Fischer, Professor at Berlin University and Geheimrat, for “the extraordinary services he has rendered by his work…
moreAward ceremony speech
Award ceremony speech
In regard to de Hevesy’s work, Professor A. Westgren, member of the Nobel Committee for Chemistry of , made the following statement When, in 1913, de Hevesy was working with in Manchester, this young scientist had been commissioned to isolate radium D from radioactive lead. His efforts were unsuccessful. It had in fact become apparent…
moreAward ceremony speech
Award ceremony speech
Presentation Speech by Professor Bengt Nordén of the , December 10, 1999. Translation of the Swedish text. Professor Bengt Nordén delivering the Presentation Speech for the 1999 Nobel Prize in Chemistry at the Stockholm Concert Hall. Photo: Hans Mehlin, Nobelprize.org Your Majesties, Your Royal Highness, Ladies and Gentlemen, We chemists want to understand molecules…
moreSpeed read: The Birth of Dyeing
Speed read
One of the main tasks of organic chemistry is to investigate and reproduce artificially the carbon-containing chemicals that help drive the vital processes in animals and plants. This is important not only for broadening knowledge of chemical and biological phenomena, but also for seeking ways of applying chemistry to everyday life. Uncovering and replicating Nature’s…
moreAward ceremony speech
Award ceremony speech
English Presentation Speech by Professor Jan-Erling Bäckvall, Member of the ; Member of the Nobel Committee for Chemistry, 10 December 2010 Professor Jan-Erling Bäckvall delivering the Presentation Speech for the 2010 Nobel Prize in Chemistry at the Stockholm Concert Hall. Your Majesties, Your Royal Highnesses, Ladies and Gentlemen, This year’s Nobel Laureates in…
moreTo build “left- or right handed” molecules
Many organic molecules are three-dimensional and can exist in two mirror image forms, one left handed and one right handed. A synthesis gives, in general, equal amounts of the two mirror image forms of the molecule. These might have completely different biological activity. Natural products, i.e. chemicals found in Nature, are usually either “left- or…
more