National Museum of Nuclear Science & History
Jas Hoff worked for the United States Engineer District Office.
Harold Hoover was a member of the Special Engineer Detachment during the Manhattan Project. He worked as a filter foreman at the Y-12 Plant, but his real job was in counterintelligence, to ensure no sabotage occurred.
Hugh C. Ferguson was a member of the 393rd Bombardment Squadron of the 509th Composite Group and retired with the rank of second lietuenant.
Edna K. Marks was a junior biologist and technician in the Health Division at the University of Chicago Met Lab.
