Paul Cohen-Portheim was a German-born artist and theatre designer who worked in Berlin, Paris, and London. He was interned as an enemy alien on the Isle of Man and later Lofthouse Park near Wakefield from 1915 to 1918. After the war, he became a journalist and published several travel books, including The Spirit of England and The Spirit of France. He died in 1934. Andrea Pitzer is a writer and author of One Long Night: A Global History of the Concentration Camp. The Secret History of Vladimir Nabokov, and the best-selling Icebound: Shipwrecked at the Edge of the World. Panikos Panayi is Professor of European History at De Montfort University and author of numerous books, including Prisoners of Britain: German Civilian and Combatant Internees During the First World War and Migrant City: A New History of London.