National Museum of Nuclear Science & History
T. F. Walsh worked for the United States Engineer District Office.
Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. C. Davis worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Alfred Zuk was a member of the Special Engineer Detachment assigned to the 509th Composite Group in Wendover, Utah from 1944 to 1945.