National Museum of Nuclear Science & History
Johnstone worked at the 300 Area at Hanford during the Manhattan Project.
Helen R. Hughes was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
B. F. Kwiatokowski served in the 390th Air Service Group.
L. F. Hemphill worked for the Tennessee Eastman Corporation at the Y-12 Plant.
James L. Fox, Jr. served in the 320th Troop Carrier Squadron.