Wolf, from Odell, IL, served in the Army with Company K Infantry, Evacuation Hospital #9. He fought in the St. Mihiel Offensive (September 12th to 22nd, 1918) and the Meuse-Argonne Offensive (September 26th to November 11th, 1918). He was apart of the Army of Occupation in Coblenz, Germany from December 12th, 1918 to May 26th, 1919.