National Museum of Nuclear Science & History
Frank E. Keene was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Jacob Y. Bontekoe served as 2nd lieutenant in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.
J. C. Campbell worked for the Union Carbide & Carbon Corporation.
Baumann worked in the United States Engineer District Office.
