National Museum of Nuclear Science & History
Saul Efron worked for the Roane-Anderson Company.
Jean Marley O’Leary began working for General Leslie Groves in June 1941, when she was hired as his personal secretary.
Kopanski worked at the 200 East Area at Hanford during the Manhattan Project.
Rachel “Rae” Erlanger worked on the Manhattan Project for the Kellex Corporation. She grew up in New York City.
