Kassia St Clair studied the history of women's dress and the masquerade during the eighteenth century at Bristol and Oxford. She has since written about design and culture for the Economist, House & Garden, TLS, Quartz and New Statesman, and has had a column about colour in Elle Decoration since 2013. Her first book The Secret Lives of Colour was a top-ten bestseller, a Radio 4 Book of the Week and has been translated into over a dozen languages; her second, The Golden Thread, was a Sunday Times Book of the Year and was shortlisted for the Somerset Maugham Award. She lives in London. www.kassiastclair.com