Sweeney Todd: The Demon Barber of Fleet Street in serialized Victorian popular fiction, known as "penny dreadfuls". A story called "The String of Pearls" was published in a weekly magazine during the winter of 1846-47. Set in 1785, the story featured as its principal villain a certain Sweeney Todd and included all the plot elements that were used by Sondheim and others ever since. The murderous barber’s story proved instantly popular – it was turned into a play before the ending had even been revealed in print. An expanded edition appeared in 1850, an American version in 1852, a new play in 1865. By the 1870s, Sweeney Todd
Sweeney Todd: The Demon Barber of Fleet Street New York, this tale of horrors was transformed into a mountain of steel in motion. Prince's scenic metaphor for "Sweeney Todd" was a 19th-century iron foundry moved from Rhode Island and reassembled on the stage, which critic Jack Kroll aptly described as "part cathedral, part factory, part prison, that dwarfed and degraded the swarming denizens of the lower orders." The massive scope of Prince's setting went beyond even Sondheim's intentions. Sondheim admits that his conception of the show differed from that of Prince: "Hal's metaphor is that the factory turns out Sweeney Todds. It turns out soulless, defeated, hopeless people.