Ulf Palmenfelt received his PhD in ethnology at Stockholm University in 1993 with a dissertation on the Gotland folklore collector Per Arvid Save. His book Modern Public Humor (1986) focuses on the humorous photocopies office workers put together and sent to each other in internal mail envelopes, prior to those sent later by fax machine and computer. He was editor of Humor and Culture (1996), which presents a series of articles by Nordic cultural researchers. Palmenfelt has made extensive collections of children's riddles, chain letters, ghost stories, rhymes and jokes, which he has discussed and presented in numerous articles or books. He also has published two collections of adult erotic stories, jokes, and other stories. Ulf Palmenfelt is a professor of folklore at the University of Bergen, where he works as a professor of ethnology at Gotland University.