Hugh Montgomery-Massingberd was the editor of an index covering some 10,000 houses in the British Isles. He was a prolific writer of books and articles. He died in 2007. Christopher Simon Sykes specializes in photographing architecture and interiors. With several books to his name, his photographs have also appeared in Vogue, Vanity Fair, House and Garden and The World of Interiors. The Big House, his family's house in Yorkshire, was published in 2013.