National Museum of Nuclear Science & History
W. A. Plumb worked for the United States Engineer District Office.
Martha G. Johnson was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Frank Alvidnes was a staff worker at Los Alamos during the Manhattan Project.
Wilkins worked at the 200 East Area at Hanford during the Manhattan Project.