Calder Walton
Calder Walton is one of the world’s leading intelligence historians. He is editor-in-chief of the Cambridge History of Espionage and Intelligence, to be published by Cambridge University Press in three volumes, which will be a landmark study in the global history of intelligence. Currently the Assistant-Director of the Applied History Project at Harvard’s Kennedy School of Government, Calder holds a PhD in History from Trinity College Cambridge, where he wrote his first, award winning, and widely acclaimed book, Empire of Secrets: British Intelligence, Cold War, and the Twilight of Empire (Harper Press 2013). While pursuing a PhD and postdoctoral fellowship at Cambridge, Calder was a principal researcher on Christopher Andrew’s unprecedented, authorized, centenary history of the British Security Service, Defence of the Realm (Penguin 2009). This research position provided Calder, for six years, with unique access to British intelligence records. Calder is a regular commentator on intelligence and national security matters in news and media outlets both sides of the Atlantic. Calder is also a qualified English barrister and has worked on several high-profile litigation cases involving defence and security matters, providing him with expertise in the legal issues of intelligence.
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