National Museum of Nuclear Science & History
C. C. Sullins worked for the Combustion Engineering Company.
William (W.) Gregory Marley was a British physicist and photography expert, who was part of the British Mission to Los Alamos during the Manhattan Project.
Hayes worked at the 300 Area at Hanford during the Manhattan Project.
Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.