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 family died childless, was the inventor of dynamite and the founder of the Nobel Prizes, to the creation of which he left the bulk of his estate. The Nobel family have created several societies, including the Nobel Family Society, a private society of which only the descendants of Immanuel Nobel, the younger, are eligible as members, the Nobel Foundation, a private society administering the prizes of Alfred Nobel, and the Nobel Charitable Trust. Notably, the Director of the Nobel Foundation, Michael Sohlman, and the elected head of the Nobel family disapproves of the institution of the Nobel Charitable Trust (NCT) The