"Frederick \"Fritz\" Joubert Duquesne (/du\u02D0\u02C8ke\u026An/; 21 September 1877 \u2013 24 May 1956), sometimes Du Quesne, was a South African Boer and German soldier, big-game hunter, journalist, and a spy.He fought on the side of the Boers in the Second Boer War and as a secret agent for Germany during both World Wars. He gathered human intelligence, led spy rings and carried out sabotage missions as a covert field asset in South Africa, Great Britain, Central and South America, and the United States."@en . "1877-09-21Z"^^ . . "1901Z"^^ . "1956-05-24Z"^^ . "Boerand German" . . . . "1956Z"^^ . "Frederick \"Fritz\" Joubert Duquesne"@en . . "South African journalist" . . "Aliases (ca. 30 known):Captain Claude Stoughton;Frederick Fredericks;Boris Zakrevsky (assumed the identity of the real-life Russian Duke);Major Frederick Craven;George Fordham;Piet Niacud;Colonel Beza"@en . "1877Z"^^ . . "Duquesne Spy Ring" . . . "1899Z"^^ . "The Black Panther;The Duke"@en . . . "Duquesne, Fritz Joubert"@en . . . "The man who killedKitchener;"@en .