National Museum of Nuclear Science & History
Francis J. Schramke served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Top Secret.
Lester E. Bowman served in the 393rd Bombardment Squadron.
Gene Hall worked for the Union Carbide & Carbon Corporation.
Arthur Buck was a security guard for the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.