Nobel Prize relevant fields was greater), a greater delay in awarding Nobel Prizes for women's achievements making longevity a more important factor for women (Nobel Prizes are not awarded posthumously), and a tendency to omit women from jointly awarded Nobel Prizes. Four people have received two Nobel Prizes. Marie Curie received the Physics Prize in 1903 for her work on radioactivity and the Chemistry Prize in 1911 for the isolation of pure radium, making her the only person to be awarded a Nobel Prize in two different sciences. Linus Pauling was awarded the 1954 Chemistry Prize for his research into the chemical
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.