BBC – Kelly Grovier traces the pigments that make up hidden layers in masterpieces – some of them toxic – from Picasso and Hokusai’s Prussian Blue to Vermeer’s shade of red. – read more
BBC – Kelly Grovier traces the pigments that make up hidden layers in masterpieces – some of them toxic – from Picasso and Hokusai’s Prussian Blue to Vermeer’s shade of red. – read more