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
Emanuel Nobel Alfred Nobel died, in 1896, and his will was disclosed, the heirs of his eldest brother, Robert, displeased by the fact that the major part of their uncle's estate was bequeathed to the creation of the Nobel Foundation and of the Nobel Prizes, started a legal action to invalidate it. Emanuel Nobel, however, as head of the younger branch of the family, played a fundamental role in supporting the execution of his uncle's wishes, pleading even before King Oscar II, and an agreement with Robert Nobel's heirs was reached in 1898, thus allowing the creation of the Nobel Prizes. Like