Christian Wolmar is a writer and broadcaster specializing in the social history of railroads and transportation. He has written for major British newspapers for many years and has contributed to many other publications, including the New York Times and Newsday. He frequently appears on TV and radio as an expert commentator. His most recent books are Blood, Iron, and Gold, about how the railroads transformed the world; The Subterranean Railway, a history of the London Underground, the world's oldest system, and Fire & Steam, the story of Britain's railroads.
