Question: Who is older, Anthony Powell or Nancy Mitford?

full_context: Document 1: Nancy Mitford: Nancy Freeman-Mitford {'1': ", '2': ", '3': ", '4': "} (28 November 1904 – 30 June 1973), known as Nancy Mitford, was an English novelist, biographer and journalist. One of the renowned Mitford sisters and one of the "Bright Young People" on the London social scene in the inter-war years, she is best remembered for her novels about upper-class life in England and France and for her sharp and often provocative wit. She also established a reputation for herself as a writer of popular historical biographies.
Document 2: Anthony Powell Society: The Anthony Powell Society is an international literary society dedicated to the works of English novelist Anthony Powell. Membership is open to all interested in "A Dance to the Music of Time" and Powell's other works.
Document 3: A Life of Contrasts: A Life of Contrasts is an international bestseller by Diana Mitford (sister of novelist Nancy Mitford, journalist Jessica Mitford, and memoirist Deborah, Duchess of Devonshire) that was first published by Hamish Hamilton in 1977. She later released a revised edition of the book, published in 2002 by Gibson Square.
Document 4: Bright young things: The Bright Young Things, or Bright Young People, was a nickname given by the tabloid press to a group of bohemian young aristocrats and socialites in 1920s London. They threw elaborate fancy dress parties, went on elaborate treasure hunts through nighttime London, drank heavily and used drugs—all of which was enthusiastically covered by journalists such as Tom Driberg. They inspired a number of writers, including Nancy Mitford ("Highland Fling"), Anthony Powell ("A Dance to the Music of Time"), Henry Green ("Party Going") and the poet John Betjeman ("A Subaltern's Love Song"). Evelyn Waugh's 1930 novel "Vile Bodies", adapted as the 2003 film "Bright Young Things", is a satirical look at this scene. Cecil Beaton began his career in photography by documenting this set, of which he was a member.
Document 5: Anthony Trollope: Anthony Trollope ( ; 24 April 1815 – 6 December 1882) was an English novelist of the Victorian era. Among his best-known works is a series of novels collectively known as the Chronicles of Barsetshire, which revolves around the imaginary county of Barsetshire. He also wrote novels on political, social, and gender issues, and other topical matters.
Document 6: Anthony Powell (designer): Anthony Powell (born 2 June 1935, Chorlton-cum-Hardy, Manchester, England) is an English costume designer for stage and screen. He has won three Academy Awards, for "Travels with My Aunt" (1972), "Death on the Nile" (1978) and "Tess" (1979). He has worked with directors such as George Cukor, Roman Polanski, Steven Spielberg, Robert Altman and David Lean. Among the stars who have worn his creations are Dame Maggie Smith, Dame Angela Lansbury, Paul Newman, Bette Davis, Warren Beatty, Steve McQueen, Sean Connery, Dustin Hoffman, Roger Moore, Harrison Ford and Johnny Depp.
Document 7: Evelyn Waugh: Arthur Evelyn St. John Waugh ( ; 28 October 1903 – 10 April 1966) was an English writer of novels, biographies and travel books. He was also a prolific journalist and reviewer of books. His most famous works include the early satires "Decline and Fall" (1928) and "A Handful of Dust" (1934), the novel "Brideshead Revisited" (1945) and the Second World War trilogy "Sword of Honour" (1952–61). Waugh is recognised as one of the great prose stylists of the English language in the 20th century.
Document 8: Noblesse Oblige (book): Noblesse Oblige: An Enquiry Into the Identifiable Characteristics of the English Aristocracy (1956) is a book that purports to be edited by Nancy Mitford, illustrated by Osbert Lancaster, caricaturist of English manners, and published by Hamish Hamilton. The anthology comprises four brief essays by Nancy Mitford, Alan S. C. Ross, “Strix” and Christopher Sykes, a letter by Evelyn Waugh, and a poem by John Betjeman.
Document 9: Wigs on the Green: Wigs on the Green is a novel by Nancy Mitford, first published in 1935. A merciless satire of British Fascism, the book is notable for lampooning the political enthusiasms of Mitford's sisters Unity Mitford and Diana Mosley. 2010 saw its first reprint in the United Kingdom and the United States in more than thirty-five years.
Document 10: The Dancers at the End of Time: The Dancers at the End of Time is a series of science fiction novels and short stories written by Michael Moorcock, the setting of which is the End of Time, an era "where entropy is king and the universe has begun collapsing upon itself". The inhabitants of this era are immortal decadents, who create flights of fancy using power rings that draw on energy devised and stored by their ancestors millions of years prior. Time travel is possible, and throughout the series various points in time are visited and revisited. Space travellers are also common, but most residents of the End of Time find leaving the planet distasteful and clichéd. The title of the series is itself taken from a poem by a fictitious 19th Century poet, Ernest Wheldrake, which Mrs. Amelia Underwood quotes in "The End of All Songs". "Ernest Wheldrake" had been a pseudonym used by Algernon Charles Swinburne.
Document 11: Nancy Banks-Smith: Nancy Banks-Smith (born 1929) is a British television and radio critic. Born in Manchester and raised in a pub, she was educated at Roedean. She was a writer for "The Sun" in the 1960s, and left the newspaper in 1969 when it was bought by Rupert Murdoch who turned it into a sensationalist tabloid. She also worked briefly for the "Daily Express" in the 1960s. Banks-Smith began writing for "The Guardian" in 1970, with her television column becoming a leading feature of the newspaper. She has remained with "The Guardian" for over 40 years, and as of 2016 writes a monthly column for the paper entitled "A month in Ambridge", reviewing recent developments in the radio soap opera "The Archers".
Document 12: Anthony Powell: Anthony Dymoke Powell ( ; 21 December 1905 – 28 March 2000) was an English novelist best known for his twelve-volume work "A Dance to the Music of Time", published between 1951 and 1975.
Document 13: Patrick White: Patrick Victor Martindale White (28 May 191230 September 1990) was an Australian writer who is widely regarded as one of the most important English-language novelists of the 20th century. From 1935 to 1987, he published twelve novels, three short-story collections and eight plays.
Document 14: Anthony Burgess: John Anthony Burgess Wilson, {'1': ", '2': ", '3': 'FRSL', '4': "} ( ; 25 February 1917 – 22 November 1993) – who published under the pen name Anthony Burgess – was an English writer and composer. From relatively modest beginnings in a Catholic family in Manchester, he eventually became one of the best known English literary figures of the latter half of the twentieth century.
Document 15: The Sense of an Ending: The Sense of an Ending is a 2011 novel written by British author Julian Barnes. The book is Barnes' eleventh novel written under his own name (he has also written crime fiction under the pseudonym Dan Kavanagh) and was released on 4 August 2011 in the United Kingdom. "The Sense of an Ending" is narrated by a retired man named Tony Webster, who recalls how he and his clique met Adrian Finn at school and vowed to remain friends for life. When the past catches up with Tony, he reflects on the paths he and his friends have taken. In October 2011, "The Sense of an Ending" was awarded the Man Booker Prize. The following month it was nominated in the novels category at the Costa Book Awards.
ground_truth: Nancy Mitford