Tickets to the show have consistently sold out, so if you want to see it, this one-off 24-hour access might be your only ...

Van Gogh’s Portrait of Dr Gachet (June 1890), which is among his greatest paintings, finally seems to have been tracked down. It was last seen in 1990, when it sold for $82.5m, making it then ...

Cast off by the Nazis, but heralded by curators, the artist’s painting of his doctor, made just before van Gogh’s suicide ... collector before the 1990 sale. But it has all but disappeared ...