National Museum of Nuclear Science & History
F. J. Underwood worked for the Roane-Anderson Company.
Gus Essig began working on the Manhattan Project in May, 1946 in Dayton, Ohio. Essig was selected to work in the highly classified initiator program and spent several months at Los Alamos learning how to design and construct initiators.
Dodson Marrs worked in carpentry and concrete work at Oak Ridge, Tennessee as a part of the Manhattan Project.
Tabb worked at the 100-D Area and 300 Area at Hanford during the Manhattan Project.
