National Museum of Nuclear Science & History
H. Courtney worked for the Rock City Construction Company.
George Waskey worked for the Roane-Anderson Company.
W. G. Chmielewski was a carpenter at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. A. Porter worked for the United States Engineer District Office.
Harding worked at the 300 Area at Hanford during the Manhattan Project.
