This groundbreaking new perspective on Le Corbusier is based on exhaustive archival research and the study of neglected or completely unknown documents. It is innovative in showing the role of materials and construction techniques in the architecture of Le Corbusier and the book also delves into the project management and the construction of several buildings in the period 1940 - 1965. Each worksite, from the Unit d'Habitation (Housing Unit) in Marseille to the city of Chandigarh, and the Tokyo museum, the Carpenter Center in Cambridge and the Unit d'Habitation in Berlin, is analyzed in detail.