Discussion of “Auguste Graeff: Dam Designer and Hydraulic Engineer” by Willi H. Hager and Corrado Gisonni

The work of Auguste Graeff is rarely acknowledged for his true contribution to hydraulic engineering and structures. Herein further information on Graeff and his co-worker Emile Delocre are presented together with the influence of their work in France and overseas, and several curved gravity dams built around Saint-Etienne based upon the Gouffre d'Enfer dam design. Altogether Auguste Graeff and Emile Delocre had a significant influence on gravity dam design in France and overseas.