Caravaggio was known for using people he knew as his models, often from low social classes and including courtesans, like Fillide Melandroni of Siena, who was famous in Rome at the time. She has been ...

This being Caravaggio, what we’ve got is theatre in light and dark: the luminous figure of St Ursula – whose deathly pallor contrasts with her blood red cloak – is the first thing that ...