National Museum of Nuclear Science & History
W. H. Grahm worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Arnold E. Sleipnes served as a techical sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Top Secret.
Robley "Rob" Johnson arrived at Hanford on May 2, 1943, at the age of 35. He was one of the first repersentatives of the DuPont Company on the scene.
Attended the University of Minnesota.
