National Museum of Nuclear Science & History
J. V. Hubbard worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Rosie M. Hunter was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Harvey Matthioson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Block worked in the United States Engineer District Office.
