National Museum of Nuclear Science & History
Hayes worked in the United States Engineer District Office.
Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Clyde Yeagley served in the 1395th Military Police Aviation.
Leonard A. Godfrey Jr. served as a member of the 393rd Bombardment Squadron of the 509th Composite Group.
R. Y. Blackwell worked for the Fercleve Corporation.