Christopher Green is Emeritus Professor at the Courtauld Institute of Art, UK and is a Fellow of the British Academy. He is the author and editor of numerous volumes, including: Cubism and its Enemies (1987) which was the recipient of the Mitchell Prize for 20th Century art; Juan Gris (1993); Art in France, 1900-1940 (2000); Picasso’s ‘Les Demoiselles d’Avignon’ (2001); Picasso: Architecture and Vertigo (2005); Cubism and War: The Crystal in the Flame (2016).