Sir John Masterman

Sir John Masterman was a British intelligence officer and scholar, best known for his role in World War II as part of the deception operations. He led the famous "Double Cross" system, which involved turning enemy spies into double agents, helping to mislead the Germans about Allied plans. Masterman was also an influential figure in post-war intelligence and authored several works on political philosophy and espionage. His efforts played a crucial role in ensuring the success of several military operations, including the D-Day invasion, by creating confusion about the Allies' true intentions and troop movements.