While Nobel Prizes in the sciences often are shared, the Nobel Prize in Literature has only been shared on four occasions over the last century. And we’re willing to bet that the eight writers who have shared the Nobel Prize are not authors with whom you’re particularly familiar. Why, then, did these novelists end up sharing the award? There are a few different ideas floating around as to why the Nobel Prize in Literature is rarely divided between two writers. Let’s take a look at the four instances in which the Nobel Prize in Literature has been shared.