National Museum of Nuclear Science & History
Robert Plott was a research assistant at the Chicago Met Lab during the Manhattan Project.
W. H. Hasse worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Arnold Grubbe (1904-2002) was an engineer working for the civilian contractor Crane Company in Oak Ridge, Tennessee.
Hughs worked at the 200 West Area at Hanford during the Manhattan Project.
David Edwards worked for the Edenfield Electric Company.