“It’s been examined now very carefully, letter by letter, and word by word, and it’s identical in every way to Munch’s handwriting,” said Mai Britt Guleng, the museum’s curator of old masters and modern paintings, who was in charge of the research. “So there is no more doubt.” This certainly does sound decisive! The museum’s findings run counter to the assumption made by art historians for decades that it was an unscrupulous museum visitor who scrawled the remark—perhaps like the sort of opinion-based commentary on a property we’d now produce on Twitter rather than in pencil.