National Museum of Nuclear Science & History
R. B. Green worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Pettengill served in the 393rd Bombardment Squadron.
Ambroso Hoelscher was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Lee E. Palmert served as a sergeant in the 393rd Bombardment Squadron. He was the radio operator regularly assigned to the B-29 Next Objective.
