National Museum of Nuclear Science & History
Ed Zeigler 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.
K. B. Brown worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Clyde Llewellyn worked for the Tennessee Eastman Corporation at the Y-12 Plant.
