National Museum of Nuclear Science & History
Irma Van Gilde worked for the Tennessee Eastman Corporation at the Y-12 Plant.
M. E. Ridge worked for the United States Engineer District Office.
A. J. Keesing worked for the Union Carbide & Carbon Corporation.
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.
