National Museum of Nuclear Science & History
Joseph LaRocco was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Jessen worked at the 200 East Area at Hanford during the Manhattan Project.
Claire Balke was the leader of the Miscellaneous Metallurgy Division in the Chemistry and Metallurgy Division at Los Alamos during the Manhattan Project.
Hardie worked in the United States Engineer District Office.
