National Museum of Nuclear Science & History
C. J. Carrol worked for the Poe Piping & Heating Company.
Hart worked for Stone and Webster Engineering Corporation.
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.
Charles Brenton Fisk was a member of the Special Engineer Detachment and technician at Los Alamos. He later became world-renowned for his organ building company, C.
