This monograph spans the entire life and work of Jean-Leon Gerome and is composed of two a biographical appreciation and a catalogue of his paintings, prints and sculptures. The study of the artist's life is based on three ancient monographs, the perusal of the contemporary press and the recollections of students and friends. This catalogue is the result of 25 years of research. Approximately 700 paintings and 70 sculptures have been inventoried through archives, old State documents, catalogues and correspondence with collectors.