National Museum of Nuclear Science & History
Frank Marisco worked for the H. K. Ferguson Company.
Jack L. Callan was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
C. A. Cooper worked for the Tennessee Eastman Corporation at the Y-12 Plant.
R. R. Tippy worked for the Tennessee Eastman Corporation at the Y-12 Plant.
