National Museum of Nuclear Science & History
Wilam Spangler was a staff worker at Los Alamos during the Manhattan Project.
Robert O. Nohr was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. P. Van Huss worked for the J.A. Jones Construction Company.
Treadwell worked at the 100-B and 100-D Areas at Hanford during the Manhattan Project.
