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 Research" (AIR), the Ig Nobel Prizes are presented by Nobel laureates in a ceremony at the Sanders Theater, Harvard University, and are followed by the winners’ public lectures at the Massachusetts Institute of Technology. The Ig Nobels were created in 1991 by Marc Abrahams, editor and co-founder of the "Annals of Improbable Research", editor-in-chief of the "Journal of Irreproducible Results" and master of ceremonies at all subsequent awards ceremonies. Awards were presented at that time for discoveries "that cannot, or should not, be reproduced". Ten prizes are awarded each year in many categories, including the Nobel Prize categories of physics,