National Museum of Nuclear Science & History
Everett Ellis worked for the H. K. Ferguson Company.
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”).
Clapp worked at the 300 Area at Hanford during the Manhattan Project.
Beyer worked in the United States Engineer District Office.
