National Museum of Nuclear Science & History
Henry Farlow worked for the J.A. Jones Construction Company.
J. H. Marsh worked for the Kellex Corporation at the K-25 Plant.
Jack L. Callan was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
M. K. Walker worked for the Fercleve Corporation.
C. P. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
