National Museum of Nuclear Science & History
Hayes worked in the United States Engineer District Office.
Florentino Ortiz was a carpenter at Los Alamos during the Manhattan Project.
Arthur S. Olson was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
D. M. Smith worked for Clinton Laboratories at the X-10 Reactor.
Curtin worked in the United States Engineer District Office.
