National Museum of Nuclear Science & History
Theodore Armido was a staff member at Los Alamos during the Manhattan Project.
Harder worked at the 300 Area at Hanford during the Manhattan Project.
Lester Orlan Keen worked as an engineering draftsman at Hanford during the Manhattan Project. His son, Jack Keen, was a young boy at the time.
Garvik worked in the United States Engineer District Office.
Pat Ridge worked for the Tennessee Eastman Corporation at the Y-12 Plant.