National Museum of Nuclear Science & History
Lois Roy worked for the United States Engineer District Office.
Brewer worked at the 200 East Area at Hanford during the Manhattan Project.
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.
W. F. Chase worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ellerbroek worked for Stone and Webster Engineering Corporation.