National Museum of Nuclear Science & History
E. C. Sheets worked for the Fercleve Corporation.
George Maronde was a security guard at the University of Chicago Metallurgical Lab. He stood guard outside Stagg Field when Chicago Pile-1 went critical on December 2, 1942.
Seymour Calvert served for 11 months in the Special Engineering Detachment at Los Alamos. He specialized as a chemical engineer, and carried out experiments with beryllium that were often dangerous.
George N. Lyberger served in the 1st Ordnance Squadron.
John R. Kelleher served in the 1st Ordnance Squadron.
