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 Assembly at the Karolinska Institute Karolinska Institute professors. The main work involved in collecting nominations and screening nominees is performed by the Nobel Committee at the Karolinska Institute, which has five members. The Nobel Committee, which is appointed by the Nobel Assembly, is only empowered to recommend laureates, while the final decision rests with the Nobel Assembly. The Nobel Prize in Physiology or Medicine was first awarded in 1901. For most of the 20th century the laureates were decided upon by all professors of the Karolinska Institute, collectively sometimes also referred to as the Nobel Assembly. In 1977 the Nobel Assembly was established as a