National Museum of Nuclear Science & History
Seymour worked at the 200 West Area at Hanford during the Manhattan Project.
Miriam Young-Krollman was a member of the Women's Army Corps and worked at Los Alamos from April 1945 to August 1946 measuring samples of radioactive materials.
Joyce M. Hopkins was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.