National Museum of Nuclear Science & History
A. S. Preston worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Myrtle E. Karcher was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Bonnet worked in the United States Engineer District Office.
Jean A. (Jackson) Robinson was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Elizabeth Howlett was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.