John Julius Norwich is the author of histories of Venice and Byzantium, and of the Norman Kingdom of Sicily. Among his other works are books on architecture, music, and the history plays of Shakespeare, together with an annual anthology, A Christmas Cracker. He has written and presented some thirty historical documentaries for television and is a regular lecturer on a wide range of subjects. He is a former Chairman of the Venice in Peril Fund, Chairman of the World Monuments Fund in Britain, and a former member of the executive committee of the National Trust. He is a Fellow of the Royal Society of the Arts, the Royal Society of Literature, and the Royal Geographical Society, and a Commendatore dell'Ordine al Merito della Repubblica Italiana. He lives in London.