Matthew Sweetis author ofInventing the Victorians(2001),Shepperton Babylon(2005) andThe West End Front(2011). A familiar voice in British broadcasting, he presentsFree ThinkingandSound of Cinemaon BBC Radio 3 andThe Philosopher’s Armson BBC Radio 4. He has judged the Costa Book Award, editedThe Woman in Whitefor Penguin Classics and was Series Consultant on the Showtime/Sky Atlantic seriesPenny Dreadful. In the BBC2 dramaAn Adventure in Space and Timehe played a moth from the planet Vortis. His fashion history column,The Line of Beauty, appears in1843magazine. His latest book,Operation Chaos: The Vietnam Deserters Who Fought the CIA, the Brainwashers and Themselvesis published by Picador.