National Museum of Nuclear Science & History
Conrad Roescke was a staff worker at Los Alamos during the Manhattan Project.
J. A. Copeland worked for the Poe Piping & Heating Company.
H. Hoessly worked for the Roane-Anderson Company.
John Reece worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Helen D. Thomson was in the Army Group at the Metallurgical Laboratory in Chicago during the Manhattan Project.
