In August 1965 there was the death of Le Corbusier, recognized as, probably, the m important architect of the twentieth century. On the occasion of this anniversary, an endless number of events have been held in his memory. The Department of Architectural Projects of the Universitat Politècnica de València, with the support of the Fondation Le Corbusier, promoted the holding of the international congress LC2015 Le Corbusier 50 years later in Valencia. Some of the invited speakers have provided the material that is published in este volume.