Caravaggio is one of the most popular Old Masters, which is why a major exhibition of his work at Rome’s Palazzo Barberini is sure to be a hot ticket through to its closing date on July 6.

In 1517 the Purgatory was visited by Francesco Chiericati (c.1480 - 1539), the papal nuncio to the court of Henry VIII of England, who, having endured many harships on the way, when he finally got ...