Emmanuel Breguet is the head of archives and historical collections at Montres Breguet S.A., Paris and L’Abbaye, Switzerland. He is the seventh generation descendant of Breguet’s founder, Abraham-Louis Breguet. As a trained historian, he published a number of studies on civil and military aviation before devoting himself entirely to the work and life of his ancestor. In 1993, Emmanuel began to manage the historical Breguet house, the extensive archives stored on Place Vendôme in Paris.

Martin Chapman is curator in charge of European decorative arts and sculpture at the Fine Arts Museums of San Francisco. His recent publications include The Salon Doré from the Hôtel de La Trémoille and Royal Treasures from the Louvre: Louis XIV to Marie-Antoinette.