National Museum of Nuclear Science & History
DeRenzis worked in the United States Engineer District.
Granville K. Hartley served in the 1027th Air Material Squadron.
Walter Treibel was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Williams worked at the 200 West Area at Hanford during the Manhattan Project.
Beeny worked at Los Alamos during the Manhattan Project.