Man in the Iron Mask support of the National Library of France collections of ancient textiles, the accuracy of these notary documents discovered in 2015 has allowed the creation of the first virtual reconstruction of the prison of the man in the iron mask. The Man in the Iron Mask has also appeared in many works of fiction, most prominently in the late 1840s by Alexandre Dumas. A section of his novel "", the final installment of his D'Artagnan saga, features the Man in the Iron Mask. Here the prisoner is forced to wear an iron mask and is portrayed as Louis XIV's identical twin.
Man in the Iron Mask suggested that Dauger may have poisoned Fouquet as part of a complex power struggle between Louvois and his rival Colbert. However, evidence has emerged that Dauger de Cavoye actually died in the Prison Saint-Lazare, an asylum run by monks which many families used in order to imprison their "black sheep". Documents have survived indicating that Dauger de Cavoye was held at Saint-Lazare in Paris at about the same time that Dauger, the man in the mask, was taken into custody in Pignerol, hundreds of miles away in the south. These include a letter sent to Dauger de Cavoye's sister, the