But in 1996, four years after Bacon's death, it was discovered that he had been economical with the truth. The enfant terrible had, in fact, made preparatory drawings throughout his career, and some had been given to the writer Stephen Spender, and to another friend of the artist. More than 40 of these sketches - made in pencil, ballpoint pen, gouache and oil paint - have now been acquired by the Tate, and will be shown alongside their collection of paintings by the artist. It will be a revelatory show all right, but disappointing, too: it surely can't be long before we're told he was teetotal, celibate and a fan of the Queen Mum, too.
Francis Bacon, Tate Gallery, Millbank, London SW1 (0171-887 8000) to 2 May
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