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 Nobel Foundation specify categories of individuals who are eligible to make nominations for the Nobel Peace Prize. These nominators are: Nominations must usually be submitted to the Committee by the beginning of February in the award year. Nominations by committee members can be submitted up to the date of the first Committee meeting after this deadline. In 2009, a record 205 nominations were received, but the record was broken again in 2010 with 237 nominations; in 2011, the record was broken once again with 241 nominations. The statutes of the Nobel Foundation do not allow information about nominations, considerations,