National Museum of Nuclear Science & History
Irwin Phillips worked for the United States Engineer District Office.
Bernard Sesko served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
R. Petyko worked for the Roane-Anderson Company.
Robert Ball was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
F. O. Doughty worked at the 200 West Area at Hanford during the Manhattan Project.
