The Phantom of the Opera still used for training firefighters. The mysteries that Leroux uses in his novel about the Phantom are still mysteries. "The Phantom of the Opera"'s origins came from Leroux's curiosity with the Phantom being real. In the prologue he tells the readers about the Phantom and the research that he did to prove the truth of the ghost. His findings connected the corpse from the opera house to the Persian phantom himself. The claims from the prologue of his novel were ones that Leroux held onto even up until his death in 1927. In Paris in the 1880s, the Palais Garnier
Phantom of the Opera (1976 musical) developing a grand scale version of his Phantom in the West End, and offered to produce it. In fact, Hill and Lloyd Webber had worked together earlier on a revival of "Joseph and the Amazing Technicolor Dreamcoat" at the Winchester Theatre. Lloyd Webber and his producer, Cameron Mackintosh, had been highly enthusiastic when they broached Hill about his Phantom of the Opera. But in the end, Lloyd Webber chose to pursue the musical without Hill. "Phantom of the Opera" then emerged on the other side of the Atlantic in 1987 for its American premiere in St. Louis at the Repertory