National Museum of Nuclear Science & History
E. H. Merritt worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Arthur S. Opsahl served in the 603rd Air Engineering Squadron.
John P. McBride was a research assistant in the Chemistry Division at the Chicago Met Lab. He was later assigned to Oak Ridge, where he worked on plutonium purification and on isolating uranium-233 isotopes from thorium.
Charles Levy was a first lieutenant in the 393rd Bombardment Squadron of the 509th Composite Group. He trained in Wendover, Utah, before leaving for Tinian Island.