National Museum of Nuclear Science & History
Butts worked for Stone and Webster Engineering Corporation.
T. W. Brownback worked for the Red Cross.
Mildred Thompson was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Bob Carter is an American physicist who worked on the Water Boiler Reactor at Los Alamos during the Manhattan Project.
James Downey was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
