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 Foundation among others, Wilhelm Conrad Röntgen. As of 31 December 2015, the assets controlled by the Nobel Foundation amounted to 4.065 billion Swedish "kronor" (approx. US$443 million as of 12 December 2016). The Nobel Foundation was founded as a private organisation on 29 June 1900 specifically to manage the finances and administration of the Nobel Prizes. It is based on Nobel's last will and testament. At the time Nobel's will led to much specticism and criticism and thus it was not until 26 April 1897 that his will was approved by the Storting. Soon thereafter they appointed the members of the