National Museum of Nuclear Science & History
Grace Hardin worked for the J.A. Jones Construction Company.
Sherman Winters was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
N. C. Poe, Jr. worked for the Poe Piping & Heating Company.
John Polito served in the First Ordnance Squadron.
Bowen was at Los Alamos during the Manhattan Project.