National Museum of Nuclear Science & History
Manhattan Project certificate for Albert Weigel
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”).
J. R. Anderson worked for the J.A. Jones Construction Company.
J. L. Hartman worked for the J.A. Jones Construction Company.
Albert Steiner was a staff worker at Los Alamos during the Manhattan Project.