National Museum of Nuclear Science & History
R. Petyko worked for the Roane-Anderson Company.
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.
Leon C. Troutner served in the 603rd Air Engineering Squadron.
Richard Apple was a research associate at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
