National Museum of Nuclear Science & History
Ruska worked for Stone and Webster Engineering Corporation.
Levey was a member of the Army Special Engineering Detachment who worked at the K-25 plant at Oak Ridge during the Manhattan Project.
Joseph D. Buscher served in the 509th Headquarters and Base Services Squadron.
Stanley G. Steinke was a second lieutenant in the 393rd Bombardment Squadron of the 509th Composite Group.