National Museum of Nuclear Science & History
U. W. Allen worked for the William A. Pope Company.
Duillio DiCostanzo worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
LeRoy Hamilton served in the 1395th Military Police Company, Aviation.
David Nicodemus (1916-1999) was an American physicist. Nicodemus worked at Los Alamos during the Manhattan Project and witnessed the Trinity Test.