National Museum of Nuclear Science & History
Gavin Hadden was an American civil engineer who served as special assistant to General Leslie R. Groves during the Manhattan Project.
Bruce G. Corrigan served in the 1st Ordnance Squadron.
D. E. Hull worked for the Union Carbide & Carbon Corporation.
Joseph LaRocco was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
