National Museum of Nuclear Science & History
F. E. Wilt worked for the United States Engineer District Office.
Alfred Neyens served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Zweifel worked at the 200 East Area at Hanford during the Manhattan Project.
Louella Simmons was a procurement and property worker at the Metallurgical Laboratory in Chicago during the Manhattan Project.
