Courtesy National Archives, Washington, DC
German censor’s chemical testing marks on the July 23, 1918 letter sent by American humanitarian aid worker Conrad Hoffmann Jr. to his wife Louise
Conrad Hoffmann Jr. wrote about his commitment to his fellow Americans through his job to inspect conditions at prisoner-of-war camps in Germany: “I can be of real help to our countrymen who become prisoners of war here.”
Courtesy National Archives, Washington, DC
