National Museum of Nuclear Science & History
Helen D. Thomson was in the Army Group at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Paul Metro was a member of the 393rd Bomb Squadron in the 509th Composite Group stationed in Wendover, Utah and on Tinian Island in the Pacific.
W. R. Dake worked for the Roane-Anderson Company.
Hollis worked for Stone and Webster Engineering Corporation.
Henry McDonald, Jr. worked for the United States Engineer District Office.