Meuse-Argonne Offensive in the context of "Hundred Days Offensive"

Brehon Burke Somervell (9 May 1892 – 13 February 1955) was a general in the United States Army and Commanding General of the Army Service Forces in World War II. As such he was responsible for the U.S. Army's logistics. Following his death, The Washington Post lauded him as "one of the ablest officers the United States Army has produced".

Somervell graduated near the top of his United States Military Academy class of 1914 and was commissioned in the United States Army Corps of Engineers. During World War I he served with the Pancho Villa Expedition in Mexico and the American Expeditionary Force in France in logistical posts. He was also decorated for gallantry in the Meuse-Argonne Offensive.

The American Expeditionary Forces (AEF) was a formation of the United States Armed Forces on the Western Front during World War I, composed mostly of units from the U.S. Army. The AEF was established on July 5, 1917, in Chaumont, France under the command of then-major general John J. Pershing. It fought alongside French Army, British Army, Canadian Army, British Indian Army, New Zealand Army and Australian Army units against the Imperial German Army. A small number of AEF troops also fought alongside Italian Army units in 1918 against the Austro-Hungarian Army. The AEF helped the French Army on the Western Front during the Aisne Offensive (at the Battle of Château-Thierry and Battle of Belleau Wood) in the summer of 1918, and fought its major actions in the Battle of Saint-Mihiel and the Meuse-Argonne Offensive in the latter part of 1918.

George Catlett Marshall Jr. (31 December 1880 – 16 October 1959) was an American army officer and statesman. He rose through the United States Army to become Chief of Staff of the U.S. Army under presidents Franklin D. Roosevelt and Harry S. Truman, then served as Secretary of State and Secretary of Defense under Truman. Winston Churchill lauded Marshall as the "organizer of victory" for his leadership of the Allied victory in World War II. During the subsequent year, he unsuccessfully tried to prevent the continuation of the Chinese Civil War. As Secretary of State, Marshall advocated for a U.S. economic and political commitment to post-war European recovery, including the Marshall Plan that bore his name. In recognition of this work, he was awarded the Nobel Peace Prize in 1953, the only Army general ever to receive the honor.

Born in Uniontown, Pennsylvania, Marshall graduated from the Virginia Military Institute (VMI) in 1901. He received his commission as a second lieutenant of Infantry in February 1902 and immediately went to the Philippines. He served in the United States and overseas in positions of increasing rank, including platoon leader and company commander in the Philippines during the Philippine–American War. He was the top-ranked of the five Honor Graduates of his Infantry-Cavalry School Course in 1907 and graduated first in his 1908 Army Staff College class. In 1916 Marshall was assigned as aide-de-camp to J. Franklin Bell, the commander of the Western Department. After the nation entered the First World War in 1917, Marshall served with Bell, who commanded the Department of the East. He was assigned to the staff of the 1st Division; he assisted with the organization's mobilization and training in the United States, as well as planning of its combat operations in France. Subsequently assigned to the staff of the American Expeditionary Forces headquarters, he was a key planner of American operations, including the Meuse-Argonne Offensive.