National Museum of Nuclear Science & History
Charles Helmers worked for the J.A. Jones Construction Company.
Salvatore P. Cirami served in the 1027th Air Material Squadron.
Jorgensen worked at the 300 Area at Hanford during the Manhattan Project.
John M. Sprecher was a chemical engineer. During the Manhattan Project, he worked for DuPont in Wilmington, DE.
W. K. Quinlan worked for the Tennessee Eastman Corporation at the Y-12 Plant.
