National Museum of Nuclear Science & History
J. E. Grumbach worked for the Edenfield Electric Company.
Arthur S. Olson was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. H. Wilson worked for the H. K. Ferguson Company.
Attended the City College of New York.
H. R. Chapman worked for the H. K. Ferguson Company.
