Salvator Mundi: the Louvre has certified it as the work of Leonardo da Vinci. But it kept those findings secret after a squabble with the painting’s owners. Photograph: Benjamin Norman/New York Times

French curators had worked for a decade to prepare a major exhibition marking the 500th anniversary of the death of Leonardo da Vinci. When it opened,(...)

Leonardo: Vitruvian Man at the Louvre. Photograph:  Gabriel Bouys/AFP/Getty

The exhibition that opened at the Louvre this week to mark the 500th anniversary of Leonardo da Vinci’s death appears to have fulfilled his ambition “(...)