National Museum of Nuclear Science & History
Evelyn Ellingson arrived in Oak Ridge in early 1943 when many of the site’s facilities were still being constructed.
Frank Swoboda was a staff worker at Los Alamos 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.
