National Museum of Nuclear Science & History
M. E. Ridge worked for the United States Engineer District Office.
David Greenglass (1922-2014) was a machinist and member of the Special Engineer Detachment who engaged in espionage activities for the Soviet Union at Los Alamos during the Manhattan Project.
Thomas Evans worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Martin Warren was a staff worker at Los Alamos during the Manhattan Project.