Man in the Iron Mask one ever saw his face because it was hidden by a mask of black velvet cloth, the true identity of the prisoner remains a mystery; it has been extensively debated by historians, and various theories have been expounded in numerous books and films. Among the leading theories are those proposed by writer and philosopher Voltaire: he claimed in the second edition of his "Questions sur l'Encyclopédie" (1771) that the prisoner wore a mask made of iron rather than of cloth, and that he was the older, illegitimate brother of Louis XIV. What little is known about the historical Man in
The Man in the Iron Mask (1998 film) told that if he wants the final promotion he was on the point of earning, he had better go and win it on a foreign field: in the later war against Holland, he is finally awarded promotion to the supreme command, only to be killed while reading the notice of his promotion at the siege of Maastricht. In the 1929 silent version, "The Iron Mask" starring Douglas Fairbanks as D'Artagnan, the King is depicted favorably and the twin brother as a pawn in an evil plot whose thwarting by D'Artagnan and his companions seems more appropriate. In the 1998 film,