DANIEL SNOWMAN was born in London, educated at Cambridge and Cornell and at 24 became a Lecturer at the University of Sussex, going on to become BBC Radio’s Chief Producer, Features. Since 2004 he has held a Senior Research Fellowship at the Institute of Historical Research (University of London). Recent books include a study of the cultural impact of the ‘Hitler Emigrés’, a collection of critical essays on the work of today's leading historians and The Gilded Stage: A Social History of Opera, reviewed by Tim Blanning as ‘A mighty achievement, by far and away the best history of opera available’.