National Museum of Nuclear Science & History
H. F. Jacobsen worked for the Union Carbide & Carbon Corporation.
Mary Lanahan was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Grover G. Cooper, Jr. served as a staff sergeant in the 393rd Bombardment Squadron.
Ernest E. Wollan was a research associate at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Arthur L. Conkle served in the 393rd Bombardment Squadron.
