In 2022, conservators X-raying a Van Gogh painting in Edinburgh found a hidden self-portrait of the artist on the back of the canvas, concealed for more than a century under layers of glue and cardboard
“How can I be useful, of what service can I be? There is something inside me, what can it be?” Van Gogh said. Although the quote referred to the internal world, the news coming from the National Galleries of Scotland is proving it true for his art as well. Whenever we talk about art, among…