National Museum of Nuclear Science & History
S. M. MacNeille worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Myrtle E. Karcher was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Chalgren worked at the 200 West Area at Hanford during the Manhattan Project.
Walter Youngs, Jr. worked for the United States Engineer District Office.
