A window into the lifelong friendship and artistic dialogue between two leaders in painterly and sculptural abstraction Both born in 1936, Lee Ufan and Claude Viallat each played key roles in major movements: Mono-ha in Japan and Supports/Surfaces in France. This book documents their first joint exhibition in 2023 at Pace Gallery, London, with illustrations of their work and new texts by Lee, Viallat and curator Alfred Pacquement.