Daniel B. Heilman entered the military service in Oklahoma. He served in the 11th Infantry Regiment, 5th Infantry Division as a Technician 4th Grade during World War II. He died on January 23, 1945 and is now buried in the Luxembourg American Cemetery, Luxembourg. T4 Heilman was one of the 38 American soldiers killed during the fierce fighting at sub-zero temperatures to recapture the town of Hoscheid, Luxembourg. His name is commemorated on the Peace Garden information boards located at Hoscheid, Luxembourg but his surname is spelled Heilmann.