National Museum of Nuclear Science & History
Briggs worked at the 100-D Area at Hanford during the Manhattan Project.
John Mihalkanin was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
F. Schafer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Carpenter worked at the 200 East Area at Hanford during the Manhattan Project.