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.
Frank E. Ortiz served in the 603rd Air Engineering Squadron.
J. L. Bright served in the 509th Headquarters and Base Services Squadron.
Mary Kelly was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
