National Museum of Nuclear Science & History
deColongne worked at the 300 Area at Hanford during the Manhattan Project.
Michael Cefola was an American chemist and a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Hugh C. Ferguson was a member of the 393rd Bombardment Squadron of the 509th Composite Group and retired with the rank of second lietuenant.