National Museum of Nuclear Science & History
Ross Guillet worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Hatfield worked in the United States Engineer District Office.
Fred Saak served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Phillip T. Wheelock served in the First Ordnance Squadron.
Grimsrud worked at the 300 Area at Hanford during the Manhattan Project.
