National Museum of Nuclear Science & History
J. R. Thompson worked for the J.A. Jones Construction Company.
Horan worked at the 200 West Area at Hanford during the Manhattan Project.
Melvin R. Ludwig served in the 1st Ordnance Squadron.
Reginald C. Augustine served in the Army Air Corps during World War II. In 1944, he was assigned to the Alsos Mission, the Manhattan Project’s counterintelligence mission in Europe to determine how far Nazi Germany had gotten on the path to building an atomic bomb.