National Museum of Nuclear Science & History
Hayes worked in the United States Engineer District Office.
Hope Sloan was 25 in 1944, a dark-haired WAC corporal and secretary in military intelligence. In July, she joined the construction camp's morale-building effort by entering a beauty contest, part of an "exposition "promoting safety on and off the job.
Schissler worked at the 200 West Area at Hanford during the Manhattan Project.
John Costa worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.