National Museum of Nuclear Science & History
Caldwell worked at the 200 West Area at Hanford during the Manhattan Project.
M. L. Olsgaard worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Mary E. Parrish was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Davis worked in the United States Engineer District Office.
Harriet Peterson was a nurse at Los Alamos during the Manhattan Project.