All the information I currently have about Charles Duff is from Wikipedia: it says that he “served as an officer in the British Merchant Navy in World War I and then in the intelligence division of the Foreign Office and Diplomatic Service”.
All the information I currently have about Charles Duff is from Wikipedia: it says that he “served as an officer in the British Merchant Navy in World War I and then in the intelligence division of the Foreign Office and Diplomatic Service”.