Dr. John Pimlott was head of the Department of War Studies at the Royal Military Academy, Sandhurst, England. A foremost expert on twentieth-century warfare, especially World War II, his works include studies of particular campaigns. He has also edited many large-scale military histories.
Alan Bullock was a British historian, most known for authoring Hitler: A Study in Tyranny, which is considered to be the first comprehensive biography of Adolf Hitler. He passed away in 2004.