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 Colonel (Corps of Engineers) John Wesley Niesz Schulz, United States Army, for exceptionally meritorious and distinguished services to the Government of the United States, in a duty of great responsibility during World War I. As Representative of the Chemical Warfare Service at General Headquarters, Colonel Schulz rendered valuable services in the solution of many important problems relating to the offensive use of gas and also in planning more effective methods for the issue of equipment and for training in gas warfare. Later, as Chief Gas Officer of the 1st Army, he was charged with the entire responsibility of the gas warfare in that Army during the St. Mihiel and Meuse-Argonne offensives. By great ability and untiring energy, his efforts resulted in the prevention of large numbers of casualties and fatalities from enemy gasses as well as increasing the use of gas against the enemy, thereby contributing to the success of the American arms.