Thomas Knowles of New Bedford, Massachusetts, joined Company C of the United States Army's 101st Engineer Regiment, 26th Division, before September 1917, and traveled to France later that month. In mid-1918, he was injured in active combat at the front, and spent around two months recovering in military hospitals. In the fall of 1918, he was assigned to press "section G 2-D" at headquarters in Paris, and traveled with the section's field headquarters in France, Luxembourg, and Germany. Knowles returned to Boston in March 1919.
From the guide to the Thomas Knowles collection, Knowles, Thomas collection, 1917-1919, (William L. Clements Library, University of Michigan)