National Museum of Nuclear Science & History
Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Joseph Galdarisi, Jr. served in the 1st Ordnance Squadron.
D. H. Edwards worked at the 300 Area at Hanford during the Manhattan Project.
William Browne worked for the H. K. Ferguson Company.
