National Museum of Nuclear Science & History
Helgeson worked at the 300 Area at Hanford during the Manhattan Project.
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.
Clifford C. McCutcheon served in the 1st Ordnance Squadron.
Williams worked at the 300 Area at Hanford during the Manhattan Project.
Helen J. Arson was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.