National Museum of Nuclear Science & History
William Scivally was a staff worker at Los Alamos 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.
George Mahfouz joined the Manhattan Project in 1943 when he was offered a job at the Houdaille-Hershey nickel plant in Decatur, Illinois.
E. H. Gray worked for the Tennessee Eastman Corporation at the Y-12 Plant.
