National Museum of Nuclear Science & History
Magdaline Penny worked for the United States Engineer District Office.
Yates worked at the 300 Area at Hanford during the Manhattan Project.
Grace R. Harvey was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ethaline Hartge Cortelyou was a junior chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Nelson worked at the 300 Area at Hanford during the Manhattan Project.