Charles John Huffam Dickens (; 7 February 1812 - 9 June 1870) was an English writer and social critic. He created some of the world's best-known fictional characters and is regarded by many as the greatest novelist of the Victorian era. His works enjoyed unprecedented popularity during his lifetime, and by the 20th century critics and scholars had recognised him as a literary genius.

Dickens's biographer Claire Tomalin regards him as the greatest creator of character in English fiction after Shakespeare. Dickensian characters are amongst the most memorable in English literature, especially so because of their typically whimsical names. The likes of Ebenezer Scrooge, Tiny Tim, Jacob Marley, Bob Cratchit, Oliver Twist, The Artful Dodger, Fagin, Bill Sikes, Pip, Miss Havisham, Sydney Carton, Charles Darnay, David Copperfield, Mr. Micawber, Abel Magwitch, Daniel Quilp, Samuel Pickwick, Wackford Squeers, and Uriah Heep are so well known as to be part and parcel of British culture, and in some cases have passed into ordinary language: a scrooge, for example, is a miser - or someone who dislikes Christmas festivity.  His characters were often so memorable that they took on a life of their own outside his books. "Gamp" became a slang expression for an umbrella from the character Mrs Gamp, and "Pickwickian", "Pecksniffian", and "Gradgrind" all entered dictionaries due to Dickens's original portraits of such characters who were, respectively, quixotic, hypocritical, and vapidly factual. Many were drawn from real life: Mrs Nickleby is based on his mother, though she didn't recognise herself in the portrait, just as Mr Micawber is constructed from aspects of his father's 'rhetorical exuberance': Harold Skimpole in Bleak House is based on James Henry Leigh Hunt: his wife's dwarfish chiropodist recognised herself in Miss Mowcher in David Copperfield. Perhaps Dickens's impressions on his meeting with Hans Christian Andersen informed the delineation of Uriah Heep.  Virginia Woolf maintained that "we remodel our psychological geography when we read Dickens" as he produces "characters who exist not in detail, not accurately or exactly, but abundantly in a cluster of wild yet extraordinarily revealing remarks". One "character" vividly drawn throughout his novels is London itself. From the coaching inns on the outskirts of the city to the lower reaches of the Thames, all aspects of the capital are described over the course of his body of work.

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