National Museum of Nuclear Science & History
Harold Seward worked for the Roane-Anderson Company.
Arthur E. Dramby served in the 393rd Bombardment Squadron.
John Marcy worked for the Kellex Corporation at the K-25 Plant.
Harold Fidler was an Army major and a civil engineer for the Corps of Engineers. Fidler began working at the Radiation Laboratory at Berkeley with Ernest O.
W. F. Chase worked for the Tennessee Eastman Corporation at the Y-12 Plant.