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 Peace Prize the prize, profoundly influenced his decision to include peace as a category. Some Nobel scholars suggest it was Nobel's way to compensate for developing destructive forces. His inventions included dynamite and ballistite, both of which were used violently during his lifetime. Ballistite was used in war and the Irish Republican Brotherhood, an Irish nationalist organization, carried out dynamite attacks in the 1880s. Nobel was also instrumental in turning Bofors from an iron and steel producer into an armaments company. It is unclear why Nobel wished the Peace Prize to be administered in Norway, which was ruled in union with Sweden