Lieutenant General Manton Sprague Eddy (May 16, 1892 – April 10, 1962) was a senior United States Army officer who served in both World War I and World War II. During the latter conflict he served with distinction, commanding the 9th Infantry Division and later the XII Corps in the campaign in Western Europe, playing a large part in the Battle of the Bulge in late December 1944. Early life and military career Eddy graduated from Shattuck Military School in Faribault, Minnesota, in 1913. He enlisted in the Infantry Branch of the United States Army in 1916 and was commissioned as a second lieutenant of infantry in early 1918, a few months after the American entry into World War I the previous April. With the rank of captain, he was a company commander in the 11th Machine Gun Battalion, part of the 4th Division of the American Expeditionary Forces (AEF). He was sent to the Western Front with his division in May 1918 but was wounded in the leg in August, when the tide of the war had turned against the Germans. He recovered soon after and commanded a machine gun battalion until the end of the war on November 11, 1918. Between the wars Promoted to the wartime rank of major, Eddy served in Allied-occupied Germany until 1919 when he returned to the United States. Relegated to the rank of captain in the Regular Army in 1920, Eddy married Mamie Peabody Buttolph in 1921. During the period between the wars, he was a member of the Infantry Board and was a student, later an instructor, at both the United States Army Infantry School and the United States Army Command and General Staff School at Fort Leavenworth, Kansas. He also served as Professor of Military Science and Tactics at Riverdale Military Academy. While at the Infantry School, he met George C. Marshall, the future Army Chief of Staff, who was impressed with Eddy. By 1940, Eddy was an intelligence officer with III Corps. In 1941 Eddy assumed command of the 114th Infantry Regiment, part of the 44th Infantry Division, a National Guard formation. World War II In March 1942, three months after the Japanese attack on Pearl Harbor and the subsequent American entry into World War II, Eddy was promoted to the one-star general officer rank of brigadier general on March 24, 1942 and became the assistant division commander (ADC)