National Museum of Nuclear Science & History
J. R. McClellan worked for the Roane-Anderson Company.
H. J. Mayberry worked for the Union Carbide & Carbon Corporation.
George Mallinckrodt was a physicist at the Manhattan Project’s Los Alamos, NM facility. He also worked at Argonne National Laboratory, the successor of the University of Chicago’s Metallurgical Laboratory (“Met Lab”).
Dahleen worked in the United States Engineer District Office.
