Built in 1290, the cathedral at Orvieto, Italy, is a masterpiece of Italian gothic architecture. The decoration of the Cappella Nuova, commenced by Fra Angelico in 1447 and magnificently completed by Luca Signorelli in 1499 and 1504, displays an awe-inspiring Last Judgement and Apocalypse and, below it, scenes from Dante and classical literature. Drawing on years of detailed research into the history of the chapel, Sara Nair James identifies Signorelli's...