National Museum of Nuclear Science & History
Ray Sheehan worked for the United States Engineer District Office.
Johnson worked at the 300 Area at Hanford during the Manhattan Project.
Larue Tinsley served in the Army at Los Alamos during the Manhattan Project.
Helen J. Arson was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
A. E. Cameron worked for the Tennessee Eastman Corporation at the Y-12 Plant.