It is a small, barely visible sentence written with a pencil on Edvard Munch's 1893 masterpiece The Scream. The sentence — "can only have been painted by a madman" — was scribbled in the top left-hand corner. A visitor looks at The Scream at the Munch Museum in Oslo. Speculation has ranged from it being an act of vandalism by an outraged viewer to something written by Munch himself. Guleng said the inscription was likely made "in 1895, when Munch exhibited the painting for the first time."

Source: CBC News February 22, 2021 15:22 UTC