National Museum of Nuclear Science & History
M. A. Fry worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Martha G. Johnson was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Branch worked for Stone and Webster Engineering Corporation.
Stanley G. Davis was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.