It was the Prince of Sansevero who invented ultramarine blue - Art. Research by the University of Bari (ANSA) Blue was invented in Naples, in the depths of the most mysterious laboratory of the 18th century, that of Raimondo di Sangro.

The study was carried out by researchers from the Interuniversity Center "Seminario di Storia della Scienza" The results will be published tomorrow in the article "In search of the Phoenix in eighteenth century Naples"