National Museum of Nuclear Science & History
Celia Ryan was a staff worker at Los Alamos during the Manhattan Project.
Reilly worked for Stone and Webster Engineering Corporation.
Sherman D. Kaplan was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Gavin Hadden was an American civil engineer who served as special assistant to General Leslie R. Groves during the Manhattan Project.
Martens worked in the 200 West Area at Hanford during the Manhattan Project.
