National Museum of Nuclear Science & History
Hayes worked in the United States Engineer District Office.
Clarence H. Mathews was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Albert L. Evand was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John A. Rothschild served in the 393rd Bombardment Squadron.