Robert H. Cook was 22 years old when he was drafted into the U.S, Army. As a solider, Cook was stationed in France. He spent six months in the trenches before he was severely wounded on July 18, 1919, in the Second Battle of the Marne, the last large-scale German offensive of World War I. Cook returned home to Dayton, Ohio, after the war. For periods of time in the 1920s, he lived in community homes for disabled soldiers. Cook passed away in 1928 at the age of 33.