Is the Ringling Museum's Velázquez the real deal?

Curators at the John and Mable Ringling Museum of Art in Florida hope that infrared scans will help to prove that its portrait of Philip IV of Spain is by the 17th-century Spanish master Diego Velzquez. The paintings attribution has divided experts since the 19th century, with opinions oscillat[ing] wildly between people who are super in favour of it and people who say absolutely not, says Virginia Brilliant, the Sarasota museums curator of collections.
New research may help tip the scale. Usin