Franca Sozzani Author

Jonathan Self has been passionate about emeralds and their enigma for more than thirty years. He has written for The Times, Country Life and Vanity Fair, and is the author of over a dozen books. Joanna Hardy is an independent gemologist and jewelry specialist, formerly of Debeers and Sothebys. She lectures widely and writes for many international journals, and also features on the popular BBC programme Antiques Roadshow. Franca Sozzani is editor of Vogue Italia. Hettie Judah is a writer, art critic for the i, art critic for Artnet, culture correspondent for The New York Times and T Magazine, regular contributor to The Guardian, The Spaces, Art Review and Frieze.