 His encounter with great artist and photographer Lewis Baltz was the beginning of a long friendship, marked by a common interest both in art history and The Great Game.Boissiere wrote texts for some of Baltz's projects, such as Fos Secteur 80 at Tate, La Ronde de Nuit, shown at Centre Georges Pompidou and later Piazza Arnolfo in Tuscany.His first meeting with Jean Nouvel had happened during this time.