National Museum of Nuclear Science & History
L. Hendrick worked for the Roane-Anderson Company.
Grimsrud worked at the 300 Area at Hanford during the Manhattan Project.
Ralph Nobles was one of three brothers to work on the Manhattan Project. He and his brother William worked at Los Alamos, while brother Robert was at the University of Chicago’s Metallurgical Laboratory.
Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
