Uncle Silas is a Victorian Gothic mystery/thriller novel by the Anglo-Irish writer J. Sheridan Le Fanu. It is notable as one of the earliest examples of the locked room mystery subgenre. It is not a novel of the supernatural (despite a few creepily ambiguous touches), but does show a strong interest in the occult and in the ideas of Swedenborg. Like many of Le Fanu's novels, it grew out of an earlier short story, "A Passage in the Secret History of an Irish Countess" (1839), which he also published as "The Murdered Cousin" in the 1851 collection Ghost Stories and Tales of Mystery. The setting of the original story was Irish; presumably it was changed to Derbyshire for the novel because this would appeal more to a British audience. Sheridan Le Fanu was born at No. 45 Lower Dominick Steet, Dublin, into a literary family of Huguenot origins. Both his grandmother Alicia Sheridan Le Fanu and his great-uncle Richard Brinsley Sheridan were playwrights. His niece Rhoda Broughton would become a very successful novelist. Within a year of his birth his family moved to the Royal Hibernian Military School in Phoenix Park, where his father, an Anglican clergyman, was the chaplain of the establishment. Phoenix Park and the adjacent village and parish church of Chapelizod were to feature in Le Fanu's later stories. Le Fanu studied law at Trinity College in Dublin, where he was elected Auditor of the College Historical Society. He was called to the bar in 1839, but he never practised and soon abandoned law for journalism. In 1838 he began contributing stories to the Dublin University Magazine, including his first ghost story, entitled "A Strange Event in the Life of Schalken the Painter" (1839). He became owner of several newspapers from 1840, including the Dublin Evening Mail and the Warder. In 1844 Le Fanu married Susanna Bennett, the daughter of a leading Dublin barrister. In 1847 he supported John Mitchell and Thomas Meagher in their campaign against the indifference of the Government to the Irish Famine. His support cost him the nomination as Tory MP for County Carlow in 1852. His personal life also became difficult at this time, as his wife Susanna suffered from increasing neurotic symptoms. She died in 1858 in unclear circumstances, and anguished excerpts from Le Fanu's diaries suggest that he felt guilt as well as loss. However, it was only after her death that, becoming something of a recluse, he devoted himself full time to writing. In 1861 he became the editor and proprietor of the Dublin University Magazine and he began exploiting double exposure: serializing in the Dublin University Magazine and then revising for the English market. The House by the Churchyard and Wylder's Hand were both published in this way. After the lukewarm reviews of the former novel, set in the Phoenix Park area of Dublin, Le Fanu signed a contract with Richard Bentley, his London publisher, which specified that future novels be stories "of an English subject and of modern times", a step Bentley thought necessary in order for Le Fanu to satisfy the English audience. Le Fanu succeeded in this aim in 1864, with the publication of Uncle Silas, which he set in Derbyshire. In his very last short stories, however, Le Fanu returned to Irish folklore as an inspiration and encouraged his friend Patrick Kennedy to contribute folklore to the D.U.M. Le Fanu died in his native Dublin on February 7, 1873. Today there is a road in Ballyfermot, near his childhood home in south-west Dublin, named after him. Source: Wikipedia