National Museum of Nuclear Science & History
H. S. Russell worked for the Roane-Anderson Company.
John Tucker worked for the United States Engineer District Office.
Hall worked in the United States Engineer District Office.
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.
