National Museum of Nuclear Science & History
Jas Stewart worked for the United States Engineer District Office.
Jerome (Jerry) Kellogg was an American physicist. He had studied under I. I. Rabi at Columbia University, and worked on the Manhattan Project at Los Alamos.
Frank Vaughan was a research associate at the Chicago Met Lab during the Manhattan Project.
G. K. Whitham worked for the Tennessee Eastman Corporation at the Y-12 Plant.