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
Ig Nobel Prize Prize in physics in 2010, for his work with graphene. He thereby became the only individual, as of 2018, to have received both a Nobel and an Ig Nobel. The prizes are presented by Nobel laureates, originally at a ceremony in a lecture hall at MIT, but now in the Sanders Theater at Harvard University. It contains a number of running jokes, including Miss Sweetie Poo, a little girl who repeatedly cries out, "Please stop: I'm bored", in a high-pitched voice if speakers go on too long. The awards ceremony is traditionally closed with the words: "If you didn't win