National Museum of Nuclear Science & History
A. H. Dahl worked for the Tennessee Eastman Corporation at the Y-12 Plant.
W. H. McWhirter worked for the J.A. Jones Construction Company.
M. Carey worked for the Roane-Anderson Company.
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.
