This book offers a general panorama of the most representative facets of this great Mexican artist, who mastered a vast repertory of techniques Over the course of his life. For the first time, his work as photographer is studied here. Hitherto unknown, this aspect of his exercises an irresistible attraction, revealing the critical vision brought to all of the trades he plied. The volume includes unpublished writings by the master well as texts reflecting the wide-ranging research that has on his work and the Francisco Diaz de Leon Collection.