National Museum of Nuclear Science & History
A. P. Montgomery worked for the Edenfield Electric Company.
Helen E. Krinek was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. J. Karraker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Frank Marisco worked for the H. K. Ferguson Company.
MacDonald worked for Stone and Webster Engineering Corporation.
