National Museum of Nuclear Science & History
Holt worked for Stone and Webster Engineering Corporation.
A. E. Ballard worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. A. Drake worked for the J.A. Jones Construction Company.
Jas Hopkins worked for the United States Engineer District Office.
Gloria A. Larranaga was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”0 during the Manhattan Project.
