John Constable's painting The Haywain embodies pretty and cosy England, adorning many a tea towel and postcard. But behind the image of rural calm lies a passionate artist whose pictures hide an erotic undercurrent - a story of forbidden love to rival even Shakespeare's ill-fated lovers. Andrew Graham-Dixon reveals the true story of Constable and an untold love story sublimated on canvas.
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Ready to Watch Secret Lives of the Artists, Season 1, Episode 1?