Christian Wolmar is a writer and broadcaster specialising in transport. He has spent nearly all of his working life as a journalist, and was at The Independent from 1989 to 1997, mostly as transport correspondent. His history of Britains Railways, Fire and Steam, is widely acclaimed, and in 2009 he published Blood, Iron and Gold, about how railways tranformed the world. His book on the role of railways in war, Engines of War, was published in September 2010.