Nobel Prize in Chemistry to be recognized. Some important scientific discoveries are never considered for a Prize, as the discoverers may have died by the time the impact of their work is realized. For example, the contributions of Rosalind Franklin in discovering the structure of DNA: her x-ray crystallography citing the shape of DNA as a helix, were not realized until after her death, and the recipients of the prize were Watson, Crick, and Wilkins. A Chemistry Nobel Prize laureate earns a gold medal, a diploma bearing a citation, and a sum of money. The Nobel Prize medals, minted by Myntverket in Sweden and
Nobel Prize controversies possibility is that Nobel did not consider mathematics as a practical discipline. Both the Fields Medal and the Abel Prize have been described as the "Nobel Prize of mathematics". The most notorious controversies have been over prizes for Literature, Peace and Economics. Beyond disputes over which contributor's work was more worthy, critics most often discerned political bias and Eurocentrism in the result. The interpretation of Nobel's original words concerning the Literature prize has also undergone repeated revisions. The 2008 prize was awarded to Osamu Shimomura, Martin Chalfie and Roger Y. Tsien for their work on green fluorescent protein or GFP.