The President of the United States of America, authorized by Act of Congress, July 9, 1918, takes pleasure in presenting the Army Distinguished Service Medal to Major of the First Class Edouard Rist, French Army, for exceptionally meritorious and distinguished service in a position of great responsibility to the Government of the United States, during World War I, for services as an eminent scientist. By his untiring zeal, devotion, and energy, Major Rist promoted the efficient treatment of the American sick and wounded. In his important research work he cooperated with the Medical Service of the American Expeditionary Forces in the fullest measure of devotion to duty. To him is due much credit for the arresting of the ravages of disease and injuries among our forces. His valuable research efforts in the domain of preventive medicine and wound bacteriology resulted in the saving of many lives among our wounded soldiers. He has rendered services of signal worth.