Martin Gayford is art critic for The Spectator and the author of acclaimed books on Van Gogh, Constable and Michelangelo.

He is the author of Man with a Blue Scarf, Rendez-vous with Art and A Bigger Message.

He has collaborated with David Hockney on A Bigger Message: Conversations with David Hockney and A History of Pictures, and has co-written a volume of travels and conversations with Philippe de Montebello: Rendez-vous with Art.

Mark Holborn is an editor and book designer who has worked with such diverse artists as Lucian Freud, Richard Avedon, Irving Penn, Issey Miyake, William Eggleston, and James Turrell. He edited, with David Dawson, the two-volume retrospective Lucian Freud (Phaidon 2018).