National Museum of Nuclear Science & History
Helene Smith was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Ruth H. Anderson was a staff member at Los Alamos during the Manhattan Project. Her husband, Ralph Larsen, worked at Los Alamos as a machinist.
Shad Marshall worked at Los Alamos on the Manhattan Project. He was married to Natalie Marshall, who also worked on the project.
Schroeder worked at the 100-D Area at Hanford during the Manhattan Project.
