National Museum of Nuclear Science & History
C. L. McCallum worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Walter M. Longfelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. L. Richardson worked for the Union Carbide & Carbon Corporation.
Ike Smith worked for the Tennessee Eastman Corporation at the Y-12 Plant.
G. F. Nellett worked for the Fercleve Corporation.
