National Museum of Nuclear Science & History
Charles Blanchard worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Calderwood worked at the 200 East Area at Hanford during the Manhattan Project.
Dee McCullough began working as an instrument technician at Hanford in early 1944. As a former sound engineer, McCullough was tasked with installing nuclear safety monitors on the reactors at Hanford.
