François Chaille

François Chaille is a writer. Passionate about art history, fashion, jewelry and watchmaking, he has published fifteen works with Flammarion, including Magnitude, Coloratura,The Cartier Collection: Timepieces, Audemars Piguet: Master Watchmaker Since 1875, and Girard Perregaux.
Hélène Kelmachter is an art historian and exhibition curator. She worked with the Fondation Cartier pour l'art contemporain for more than fifteen years. She was cultural attaché at the French Embassy in Tokyo (2007-2012) and in Buenos Aires (2014-2018). She has curated numerous exhibitions in France, Japan, China, and Argentina devoted to contemporary art and artisanal craft.