National Museum of Nuclear Science & History
J. T. Calvert worked for the Union Carbide & Carbon Corporation.
Myrtle E. Karcher was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Otto C. Block, Jr. served in the 393rd Bombardment Squadron.
L. C. Schroeder worked for the Oak Ridge Recreation and Welfare Association.
