1: It was a necessity in those early days , said John Jacob , the editor of a new book of Haas ' movie photography ,  Ernst Haas : On Set .  2: Photographers such as Haas were entrusted to bring their talent and style to the work . 3: His work from the industry has been brought together in a new book ,  Ernst Haas : On Set 
1: movie photography 2: the work 3: His work