National Museum of Nuclear Science & History
M. M. MacDonald worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Watson C. Warriner, Sr. graduated from Virginia Tech in 1938 with a degree in chemical engineering. He was then hired by the DuPont company to work in their Engineering Department.
Arnold Grubbe (1904-2002) was an engineer working for the civilian contractor Crane Company in Oak Ridge, Tennessee.
Bartholomew "Bart" Rivers was an instrument technician at the Hanford, Washington facility from 1943 through the end of the war.
